# Materst Test Equipment ## Posts - [Air Content of Fresh Concrete: Pressure Method per ASTM C231 and EN 12350-7 Guide](https://www.materst.com/air-content-of-fresh-concrete-pressure-method-per-astm-c231-and-en-12350-7-guide/): Air content is one of the few fresh-concrete properties that directly predicts how durable the hardened concrete will be in a freezing climate. - [Soil Triaxial Test: CU per ASTM D4767 and CD per ASTM D7181 — Procedure and Equipment Guide](https://www.materst.com/soil-triaxial-test-cu-per-astm-d4767-and-cd-per-astm-d7181-procedure-and-equipment-guide/): The triaxial compression test is the most versatile strength test in the geotechnical laboratory: it takes a cylindrical soil specimen, wraps it in a rubber membrane, subjects it to a controlled confining fluid pressure inside a transparent cell, and then loads it axially until it fails. - [Universal Testing Machine Selection Guide: Capacity, Frame, Grips and Calibration for Materials Labs](https://www.materst.com/universal-testing-machine-selection-guide-capacity-frame-grips-and-calibration-for-materials-labs/): A universal testing machine (UTM) is the workhorse of any materials laboratory: a single frame that pulls, pushes, bends and shears specimens from metals, plastics, rubber, textiles, composites, concrete and geotextiles. - [Concrete Compressive Strength Test: ASTM C39 vs EN 12390-3 Procedure and Machine Selection](https://www.materst.com/concrete-compressive-strength-test-astm-c39-vs-en-12390-3-procedure-and-machine-selection/): Compressive strength is the single most reported property of hardened concrete, and the test for it is the gate through which every concrete mix must pass before a structure is accepted. - [Concrete Slump Test: ASTM C143 / EN 12350-2 Procedure and Equipment Guide](https://www.materst.com/concrete-slump-test-astm-c143-en-12350-2-procedure-and-equipment-guide/): The slump test is the fastest, cheapest and most widely used field check on the consistency of fresh concrete. - [Cement Setting Time: Vicat Apparatus Test per ASTM C191 and EN 196-3](https://www.materst.com/cement-setting-time-vicat-apparatus-test-per-astm-c191-and-en-196-3/): The Vicat apparatus is the standard instrument for measuring how quickly a cement paste changes from a fluid, workable condition to a rigid one. - [Ring-and-Ball Softening Point Test: ASTM D36 / EN 1427 Procedure and Equipment Guide](https://www.materst.com/ring-and-ball-softening-point-test-astm-d36-en-1427-procedure-and-equipment-guide/): The softening point of a bitumen is the temperature at which the binder becomes soft enough, on heating, to deform under a small load. - [Bitumen Penetration Test: ASTM D5 / EN 1426 Procedure, Grading and Equipment Guide](https://www.materst.com/bitumen-penetration-test-astm-d5-en-1426-procedure-grading-and-equipment-guide/): The bitumen penetration test is the oldest and still the most widely used empirical measure of binder consistency: it measures how far a standard hardened steel needle sinks into a sample of semi-solid bitumen under a fixed load, for a fixed time, at a fixed temperature. - [Asphalt Rutting Resistance: Wheel Tracking Tests per EN 12697-22 and AASHTO T324](https://www.materst.com/asphalt-rutting-resistance-wheel-tracking-tests-per-en-12697-22-and-aashto-t324/): Rutting, the permanent deformation of an asphalt pavement along the wheel path, is among the most visible and most damaging distresses on heavily trafficked roads in hot climates. - [Marshall Stability Test: ASTM D6927 Procedure, Pass Criteria and Equipment Guide](https://www.materst.com/marshall-stability-test-astm-d6927-procedure-pass-criteria-and-equipment-guide/): The Marshall stability test measures the maximum load a compacted asphalt specimen can resist before failure and the vertical deformation, or flow, it undergoes at that load. ## Pages - 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[Industry News](https://www.materst.com/industry-news/) - [Applications](https://www.materst.com/applications/) - [Product](https://www.materst.com/product/) ## Products - [Double-Ring Infiltrometer](https://www.materst.com/product/double-ring-infiltrometer/): Field infiltration test for sandy soils. Ring cutter dia. 250 mm, height 50 mm; automatic water supply; graduated tank with automatic water refill. - [Fill Soil Density Tester](https://www.materst.com/product/fill-soil-density-tester/): Compaction-degree testing for highways, railways, airfield runways, plazas and other earthworks. - [DLY-1A Coarse-Grained Soil Vertical Seepage Deformation Tester](https://www.materst.com/product/dly-1a-coarse-grained-soil-vertical-seepage-deformation-tester/): Vertical seepage deformation test for coarse-grained soils. Test cylinder dia. - [Rock Direct Shear Tester](https://www.materst.com/product/rock-direct-shear-tester/): Direct shear strength test on rock discontinuities, joints and rock mass for rock-mass mechanical parameter determination. - [TJSS-25 Cement-Treated Soil Permeability Test Apparatus](https://www.materst.com/product/tjss-25-cement-treated-soil-permeability-test-apparatus/): Permeability-coefficient test apparatus for cement-treated soil in laboratory and field-quality evaluation. See product brochure for detailed specifications. - [CLD-3A Vane Shear Tester](https://www.materst.com/product/cld-3a-vane-shear-tester/): Vane shear test for in-situ undrained shear strength of saturated soft clay, widely used in soft-soil foundation investigation. - [CLD-3 Static Cone Penetration Tester](https://www.materst.com/product/cld-3-static-cone-penetration-tester/): Static cone penetration test for subsoil investigation and bearing-capacity evaluation in geotechnical site characterization. - [K30 Plate Load Tester](https://www.materst.com/product/k30-plate-load-tester/): Determines the subgrade soil bedding coefficient (K30) for road and railway subgrade quality control. - [DCP Dynamic Cone Penetrometer](https://www.materst.com/product/dcp-dynamic-cone-penetrometer/): Dynamic cone penetration test for subgrade soil bearing capacity, used together with light/heavy dynamic sounding and standard penetration equipment. - [Anchor Pull-Out Tester (SW Series)](https://www.materst.com/product/anchor-pull-out-tester-sw-series/): SW-100 / SW-200 / SW-300 / SW-500 anchor pull-out testers consist of a hand pump, high-pressure cylinder, intelligent digital pressure gauge and high-pressure hose. - [Buoyancy Density Meter](https://www.materst.com/product/buoyancy-density-meter/): Density / specific-gravity determination by buoyancy; accommodates samples up to 100 mm diameter and 200 mm height. - [Intelligent Water-Replacement Compaction Density Tester](https://www.materst.com/product/intelligent-water-replacement-compaction-density-tester/): Field compaction-degree test by the water-replacement method, supplied with a dedicated standard sand-cylinder set. - [Mass Concrete Multi-Point Temperature Tester](https://www.materst.com/product/mass-concrete-multi-point-temperature-tester/): Multi-point temperature monitoring during mass concrete pouring and curing. - [Fully Automatic Cement Setting Time Tester (Vicat)](https://www.materst.com/product/fully-automatic-cement-setting-time-tester-vicat/): Fully automatic determination of cement initial and final setting time. - [DYE-10 Cement Mortar Flexural Testing Machine](https://www.materst.com/product/dye-10-cement-mortar-flexural-testing-machine/): Designed and manufactured per GB/T 17671-05 and ISO 679-89 for flexural strength testing of 40x40x160 mm cement mortar prisms. - [NJCL-H Rapid Chloride Ion Content Tester (Imported Electrode)](https://www.materst.com/product/njcl-h-rapid-chloride-ion-content-tester-imported-electrode/): Rapid determination of chloride ion content in concrete using an imported electrode. - [NJAL-H Rapid Concrete Alkali Content Tester](https://www.materst.com/product/njal-h-rapid-concrete-alkali-content-tester/): Rapid determination of alkali content in concrete and raw materials. - [JLS-2 Le Chatelier Flask Cement Density Tester](https://www.materst.com/product/jls-2-le-chatelier-flask-cement-density-tester/): Determines cement density by the constant-temperature water/oil (Le Chatelier flask) method, and extends to related laboratory density work. - [Concrete Autoclave](https://www.materst.com/product/concrete-autoclave/): Steam-pressure curing vessel for concrete and aerated concrete products, used in accelerated strength testing and autoclave curing of cement-based components. - [Concrete Chloride Ion Content Tester](https://www.materst.com/product/concrete-chloride-ion-content-tester/): Determines chloride ion content in hardened concrete for corrosion-risk assessment of embedded reinforcement. - [FKY-2 Crack Width Detector](https://www.materst.com/product/fky-2-crack-width-detector/): Measures surface crack width on concrete and structural elements. - [FSY-2 Crack Depth Detector](https://www.materst.com/product/fsy-2-crack-depth-detector/): Ultrasonic detector for crack depth in solid materials; evaluates fine surface cracks, rebar-corrosion current and related defects in concrete and other structures. - [Multifunction Ion Content Tester](https://www.materst.com/product/multifunction-ion-content-tester/): Determines potassium, sodium, chloride and sulfate ion concentrations in concrete and cement admixtures by the ion-selective electrode method for rapid testing. - [NLK-1 Lime Performance Testing System](https://www.materst.com/product/nlk-1-lime-performance-testing-system/): Characterizes lime activity through the thermal effect during slaking, precisely measuring slaking rate, slaking temperature and slaking ratio, and grading lime in real time per GB/T 1594-2017 (building quicklime) and GB/T 1595-2017 (building hydrated lime). - [HQ-1000 Concrete Penetration Strength Tester](https://www.materst.com/product/hq-1000-concrete-penetration-strength-tester/): Detects early-age and hardened concrete strength by the penetration-resistance method. - [Digital Concrete Rebound Hammer](https://www.materst.com/product/digital-concrete-rebound-hammer/): Nondestructive testing of concrete strength by the rebound method, with automatic statistical data processing. - [SG-6 Direct-Reading Calcium & Magnesium Oxide Tester](https://www.materst.com/product/sg-6-direct-reading-calcium-magnesium-oxide-tester/): Direct-reading tester for calcium oxide (CaO) and magnesium oxide (MgO) content in lime and cement. - [MG-30A Lime & Cement Magnesium Content Tester](https://www.materst.com/product/mg-30a-lime-cement-magnesium-content-tester/): Used for on-site determination of magnesium content in lime and cement during construction. - [Abson Rotary Evaporation Asphalt Extractor](https://www.materst.com/product/abson-rotary-evaporation-asphalt-extractor/): Uses the Abson (rotary evaporation) method to recover asphalt from asphalt mixtures. - [DF-2 Gussasphalt Lueer Fluidity Tester](https://www.materst.com/product/df-2-gussasphalt-lueer-fluidity-tester/): Used to determine the fluidity of gussasphalt mixture, suitable for laboratory and on-site mix-design quality control, meeting the relevant provisions of the Technical Guide for Design and Construction of Steel Box Girder Bridge Deck Paving. - [Asphalt Solubility Tester](https://www.materst.com/product/asphalt-solubility-tester/): Used to determine the solubility of asphalt in solvents such as trichloroethylene. - [DZMR-3 Automatic Refrigerated Low-Temperature Deflection Tester](https://www.materst.com/product/dzmr-3-automatic-refrigerated-low-temperature-deflection-tester/): Automatic refrigerated low-temperature deflection testing for performance testing of asphalt and low-temperature materials. - [DZ-2 Asphalt Mixture Centrifugal Extractor](https://www.materst.com/product/dz-2-asphalt-mixture-centrifugal-extractor/): Separates asphalt mixtures by centrifugal force at a specified speed; supplied with a stainless-steel sleeve, copper ring and filter paper. - [Fibre Length Analyzer](https://www.materst.com/product/fibre-length-analyzer/): Conforms to JTG E20-2011 (T0620-2000 fibre length test method) for the automatic analysis of fibre length, statistically analysing fibre length, diameter and count while observing fibre morphology. - [Fibre Air-Jet Sieve Analyzer](https://www.materst.com/product/fibre-air-jet-sieve-analyzer/): Used for air-jet sieve analysis of fibres in asphalt mixtures. Conforms to JT/T 533-2004, JT/T 202-2005 and GB/T 14454.15-2005. - [Asphalt Electric-Heated Spatula](https://www.materst.com/product/asphalt-electric-heated-spatula/): A thermostatically controlled electric-heated scraping tool used for preparing asphalt specimens. - [TT-960 Glass Bead Separator](https://www.materst.com/product/tt-960-glass-bead-separator/): Conforms to the requirements for a glass bead separator in JT/T 796-2010 (Test Methods for Base Materials of Highway Pavement). - [LWY-2 Dedicated Pavement Thermometer](https://www.materst.com/product/lwy-2-dedicated-pavement-thermometer/): Suitable for real-time monitoring of asphalt mixture temperature during paving and compaction; the probe can be inserted directly into the mixture to meet temperature detection needs at different positions. - [Asphalt Mixture Thermometer](https://www.materst.com/product/asphalt-mixture-thermometer/): Portable thermometer for rapid on-site temperature measurement of asphalt mixtures. - [Glass Constant-Temperature Bath](https://www.materst.com/product/glass-constant-temperature-bath/): A transparent glass constant-temperature bath that allows easy observation of the specimen condition. - [Heated Temperature-Controlled Asphalt Stirrer](https://www.materst.com/product/heated-temperature-controlled-asphalt-stirrer/): Asphalt heating and stirring equipment with precise temperature control. - [Emulsified Asphalt Solid Content Tester](https://www.materst.com/product/emulsified-asphalt-solid-content-tester/): Used to determine the solid content of emulsified asphalt by the moisture-evaporation method. - [SYD-0620 Asphalt Dynamic Viscometer](https://www.materst.com/product/syd-0620-asphalt-dynamic-viscometer/): For determining the dynamic viscosity of asphalt. - [SYD-265E Asphalt Kinematic Viscometer](https://www.materst.com/product/syd-265e-asphalt-kinematic-viscometer/): For determining the kinematic viscosity of asphalt, equipped with capillary viscometer tubes; a full range of viscosity tubes and accessories is also available. - [SYD-0621 Standard Asphalt Viscometer](https://www.materst.com/product/syd-0621-standard-asphalt-viscometer/): Apparatus for determining the standard viscosity of asphalt. - [Laboratory High-Shear Emulsifying Machine for Asphalt](https://www.materst.com/product/laboratory-high-shear-emulsifying-machine-for-asphalt/): High-shear emulsifying equipment for the laboratory development and formulation of emulsified asphalt. - [WXT-0653 Emulsified Asphalt Charge Tester](https://www.materst.com/product/wxt-0653-emulsified-asphalt-charge-tester/): Used for the electrostatic charge test of emulsified asphalt. - [JM-5 Circulating Emulsified Asphalt Tester](https://www.materst.com/product/jm-5-circulating-emulsified-asphalt-tester/): Preparation and testing equipment for emulsified asphalt, ergonomically designed and conforming to national standards; essential equipment for research institutes and testing laboratories. - [SWY-10 Cohesion Tester](https://www.materst.com/product/swy-10-cohesion-tester/): Used to determine the cohesion (cohesive strength) of asphalt mixtures and pavement materials. - [Rotary Asphalt Thin-Film Oven (Evaporation Type, Type 82)](https://www.materst.com/product/rotary-asphalt-thin-film-oven-evaporation-type-type-82/): Asphalt thin-film oven used for the asphalt aging (thin-film oven) test, evaluating the aging resistance of asphalt binders. - [Asphalt Centrifugal Extractor](https://www.materst.com/product/asphalt-centrifugal-extractor/): Used for the centrifugal extraction determination of asphalt content in asphalt mixtures, separating binder from aggregate in laboratory mix analysis. - [Computer-Numerically-Controlled Marshall Stability Tester](https://www.materst.com/product/computer-numerically-controlled-marshall-stability-tester/): Computer-numerically-controlled apparatus for measuring the Marshall stability and flow value of asphalt mixtures, used in mix design and quality control of road materials. - [DHC-3005-B Constant-Temperature Low-Temperature Bath](https://www.materst.com/product/dhc-3005-b-constant-temperature-low-temperature-bath/): High-precision constant-temperature / low-temperature bath for temperature control of asphalt and test specimens. - [ZMJ-2.3.3A Marshall Compaction Tester](https://www.materst.com/product/zmj-2-3-3a-marshall-compaction-tester/): Compaction (impact) molding equipment for preparing Marshall specimens of asphalt mixtures. - [LYY-8C Low-Temperature Asphalt Ductility Tester](https://www.materst.com/product/lyy-8c-low-temperature-asphalt-ductility-tester/): The LYY-8C low-temperature asphalt ductility tester fully automates the ductility test of asphalt binders at low temperatures with automatic test-curve acquisition. - [CF-12 Low-Temperature Constant-Temperature Bath](https://www.materst.com/product/cf-12-low-temperature-constant-temperature-bath/): A low-temperature constant-temperature bath used for low-temperature conditioning of asphalt and other specimens in laboratory testing. - [HWY-25 Automatic Asphalt Penetration Constant-Temperature Bath](https://www.materst.com/product/hwy-25-automatic-asphalt-penetration-constant-temperature-bath/): Provides a constant-temperature water-bath environment for the asphalt penetration test, keeping the test specimen at a stable temperature during measurement. - [SYD-4508 Softening Point Tester](https://www.materst.com/product/syd-4508-softening-point-tester/): Used to determine the softening point of asphalt and asphalt mixture specimens by the ring-and-ball method, evaluating the temperature susceptibility and grade of asphalt binders for road construction and quality control. - [SYD-3636 Asphalt Penetration Tester](https://www.materst.com/product/syd-3636-asphalt-penetration-tester/): Standard test apparatus for the asphalt penetration test, used to measure the penetration value of bitumen and classify its consistency grade in road material laboratories. - [ZR-3 / ZR-5 Asphalt Penetrometer](https://www.materst.com/product/zr-3-zr-5-asphalt-penetrometer/): Used to determine the penetration of asphalt binder, evaluating its softness, hardness and penetration grade for quality control and grading of paving asphalts. - [ZDY-2 Winter Construction Steam Curing Machine](https://www.materst.com/product/zdy-2-winter-construction-steam-curing-machine/): Steam-curing equipment for concrete in winter construction. - [Ultrasonic Pile Foundation Calibration Pile](https://www.materst.com/product/ultrasonic-pile-foundation-calibration-pile/): A standard pile used for the calibration of ultrasonic pile-foundation detectors in integrity testing of bored piles. - [Reinforcement Cover Calibration Box](https://www.materst.com/product/reinforcement-cover-calibration-box/): A standard reference device for calibrating reinforcement-cover (cover-meter) testers used in concrete structural inspection. - [GKXY-2 Hole Inclinometer / Hole-Distance Trapezoidal Ruler](https://www.materst.com/product/gkxy-2-hole-inclinometer-hole-distance-trapezoidal-ruler/): Suitable for drilling-inclination measurement on asphalt mixtures and in pavement field work. - [GCXY-2 High-Speed Railway Anchor-Pocket Inclinometer](https://www.materst.com/product/gcxy-2-high-speed-railway-anchor-pocket-inclinometer/): A rapid detector for the inclination angle of anchor pockets, using geometric principles and electronic-axis tilt sensing to quickly detect the installation angle of anchor bolts in anchor pockets. - [High-Precision Digital Barometer](https://www.materst.com/product/high-precision-digital-barometer/): The high-precision barometer measures atmospheric pressure for meteorological, laboratory and industrial use. - [Portable Multi-Gas Detector](https://www.materst.com/product/portable-multi-gas-detector/): The portable multi-gas detector simultaneously measures four gases: combustible gas EX: 0-100% LEL, +/-1% FS; oxygen O2: 0-100% VOL, +/-0.1% VOL; hydrogen sulfide H2S: 0-100 ppm, +/-5% FS; carbon monoxide CO: 0-1000 ppm, +/-5% FS. - [Soil / Sand-Gravel Moisture Content Tester](https://www.materst.com/product/soil-sand-gravel-moisture-content-tester/): The soil / sand-gravel moisture content tester measures the moisture content of soil and sand-gravel. - [DHS-16A Rapid Halogen Moisture Analyzer (Oven-Drying Method)](https://www.materst.com/product/dhs-16a-rapid-halogen-moisture-analyzer-oven-drying-method/): The DHS-16A rapid moisture analyzer is widely used for fast moisture determination in laboratories and production processes across chemicals, pharmaceuticals, grain, feed, latex, seeds, dried vegetables, wood, tea, food, meat, minerals, soil, textiles, agriculture & forestry, paper, rubber and plastics. - [Curing Room Long-Duration Temperature / Humidity Data Logger](https://www.materst.com/product/curing-room-long-duration-temperature-humidity-data-logger/): The curing room temperature / humidity recorder performs long-duration recording of temperature and humidity in concrete curing rooms. - [Construction-Site Tipping-Bucket Rain Gauge](https://www.materst.com/product/construction-site-tipping-bucket-rain-gauge/): The construction-site rain gauge automatically records rainfall on construction sites. - [Soil Water Potential Meter (Ceramic-Tensiometer Sensor)](https://www.materst.com/product/soil-water-potential-meter-ceramic-tensiometer-sensor/): The soil water potential meter uses a ceramic-tube sensor: soil water potential is formed by capillary attraction and molecular attraction of soil particles; higher suction means drier soil, lower suction means wetter soil, and the instrument directly displays soil water-content parameters. - [Soil Temperature / Moisture Tester with Data Logger](https://www.materst.com/product/soil-temperature-moisture-tester-with-data-logger/): The soil temperature / moisture tester measures soil temperature and humidity with an LCD display, powered by four AA batteries. - [Sand Moisture Content Tester](https://www.materst.com/product/sand-moisture-content-tester/): The sand moisture content tester measures the moisture content of sand and fine aggregates. - [Intelligent Soil Moisture Content Tester](https://www.materst.com/product/intelligent-soil-moisture-content-tester/): The intelligent soil moisture content tester measures soil moisture content. - [Fire-Resistant Coating Thickness Gauge](https://www.materst.com/product/fire-resistant-coating-thickness-gauge/): Coating-thickness measurement of fire-protective coatings. Maximum range: 80 mm; indication accuracy: 0.01 mm; resolution: 0.01 mm; digital display. - [Rock Wool Board Water Repellency Tester](https://www.materst.com/product/rock-wool-board-water-repellency-tester/): Water-repellency test of rock wool boards. Flow measuring bucket: 10-100 L/H; accuracy: +/-5%; specimen size: 400x300x50 mm; dimensions: 400x300x500 mm. - [YMB-2 Rock Wool Board Needle-Type Thickness Gauge](https://www.materst.com/product/ymb-2-rock-wool-board-needle-type-thickness-gauge/): Needle-type thickness measurement of rock wool boards. - [YMB-2 Rock Wool Board Thickness Gauge (Pressure Plate)](https://www.materst.com/product/ymb-2-rock-wool-board-thickness-gauge-pressure-plate/): Thickness measurement of rock wool boards. - [WBX-2 Micro-Deformation Measuring Instrument](https://www.materst.com/product/wbx-2-micro-deformation-measuring-instrument/): The WBX-2 micro-deformation measuring instrument is used to measure small deformations of specimens. - [Conduit Bending Fixture](https://www.materst.com/product/conduit-bending-fixture/): The bending fixture is a dedicated fixing device used together with the conduit bending test for electrical conduits. - [Conduit Heat-Resistance Ball Pressure Tester](https://www.materst.com/product/conduit-heat-resistance-ball-pressure-tester/): The heat-resistance ball pressure tester is used for the ball-pressure heat-resistance test of electrical conduits and similar insulating materials. - [Electrical Conduit Pressure Tester](https://www.materst.com/product/electrical-conduit-pressure-tester/): The electrical conduit pressure tester is used for the compression performance test of electrical conduits and other non-metallic materials. - [Electrical Conduit Impact Tester](https://www.materst.com/product/electrical-conduit-impact-tester/): The electrical conduit impact tester is used for the impact performance test of electrical conduits. Full specifications are available in the product brochure. - [Electrical Conduit Bending Tester](https://www.materst.com/product/electrical-conduit-bending-tester/): The electrical conduit bending tester is used for the bending performance test of electrical conduits. - [JG3050 Electrical Conduit Gauge](https://www.materst.com/product/jg3050-electrical-conduit-gauge/): Developed and manufactured in accordance with the JG3050 standard for electrical conduits, this gauge is used to check the maximum and minimum outer diameter of electrical conduits as well as the inner diameter of the conduit after bending. - [Intelligent Low-Magnification Projection Meter for Cable Insulation Thickness](https://www.materst.com/product/intelligent-low-magnification-projection-meter-for-cable-insulation-thickness/): The projection meter measures the insulation and sheath thickness of wires and cables by projection. - [GP-1 Cable Insulation Slicer (Specimen Preparation Machine)](https://www.materst.com/product/gp-1-cable-insulation-slicer-specimen-preparation-machine/): The GP-1 cable insulation slicer complies with GB/T 2951-2007 general test methods for insulating and sheathing materials of cables. - [GJ-B12K Variable-Frequency High-Speed Mixer](https://www.materst.com/product/gj-b12k-variable-frequency-high-speed-mixer/): The GJ-B12K variable-frequency high-speed mixer is used in petroleum and geology industries for high-speed stirring of drilling fluids, brine, cement slurry and similar samples. - [SJ-3S Digital High-Speed Drilling-Fluid Mixer](https://www.materst.com/product/sj-3s-digital-high-speed-drilling-fluid-mixer/): The SJ-3S digital high-speed mixer is a laboratory instrument dedicated to petroleum drilling; the main motor drives a belt-driven agitator, mainly used for stirring the solids phase of various oil-based drilling fluids. - [ZNS-5A Heated API Medium-Pressure Filter Press](https://www.materst.com/product/zns-5a-heated-api-medium-pressure-filter-press/): The ZNS-5A heated API filter press measures filtration loss at a differential pressure of 0.69 MPa and is mainly used to determine the filtration loss and filter-cake permeability of drilling fluids in oilfields, geological exploration and laboratories. - [ZNS-2A Medium-Pressure (API) Filter Press](https://www.materst.com/product/zns-2a-medium-pressure-api-filter-press/): The ZNS-2A medium-pressure filter press determines the filtration loss and filter-cake permeability of drilling fluids according to the API standard. - [QL Floating-Cylinder Shearometer (Gel Strength Tester)](https://www.materst.com/product/ql-floating-cylinder-shearometer-gel-strength-tester/): The QL shearometer measures the gel structure strength developed by drilling fluid at rest (static shear), i.e. - [ZNS-D3 Triple (Three-Cell) API Filter Press](https://www.materst.com/product/zns-d3-triple-three-cell-api-filter-press/): The ZNS-D3 triple filter press determines the filtration loss and filter-cake permeability of drilling fluids according to the API standard. - [HY-5A Digital Orbital Shaker](https://www.materst.com/product/hy-5a-digital-orbital-shaker/): The HY-5A is a digital-display orbital shaker used for orbital mixing and shaking of samples in laboratory applications. - [CHA-S Reciprocating Air Bath Thermostatic Shaker](https://www.materst.com/product/cha-s-reciprocating-air-bath-thermostatic-shaker/): The CHA-S is a reciprocating air-bath thermostatic shaker used for shaking and incubating samples at constant temperature in microbiology and chemistry laboratories. - [Automatic Steam Bath](https://www.materst.com/product/automatic-steam-bath/): The automatic steam bath is a laboratory steam heating device used for heating and steaming samples under constant steam conditions. - [80P Electronic Centrifuge](https://www.materst.com/product/80p-electronic-centrifuge/): The 80P electronic centrifuge is a bench-top low-speed centrifuge used for routine separation of samples in the laboratory. - [Electromagnetic Stirrer](https://www.materst.com/product/electromagnetic-stirrer/): The electromagnetic stirrer is a bench-top magnetic stirrer for routine mixing of liquids in laboratories. - [85-2 Thermostatic Dual-Direction Magnetic Stirrer](https://www.materst.com/product/85-2-thermostatic-dual-direction-magnetic-stirrer/): The 85-2 thermostatic dual-direction magnetic stirrer combines magnetic stirring with heating for laboratory use. - [99-1A Digital High-Power Thermostatic Magnetic Stirrer](https://www.materst.com/product/99-1a-digital-high-power-thermostatic-magnetic-stirrer/): The 99-1A is a digital high-power thermostatic magnetic stirrer with heating plate for laboratory mixing and heating of solutions. - [Digital Display High-Torque Stirrer](https://www.materst.com/product/digital-display-high-torque-stirrer/): The digital display high-torque stirrer is a bench-top overhead stirrer with digital speed readout and increased torque for viscous liquids in laboratory applications. - [Variable-Speed Laboratory Stirrer](https://www.materst.com/product/variable-speed-laboratory-stirrer/): The variable-speed laboratory stirrer is a bench-top overhead agitator for routine mixing and stirring of liquids in laboratories. - [GFS-2 Dry Powder Vibrating Sieve](https://www.materst.com/product/gfs-2-dry-powder-vibrating-sieve/): The GFS-2 dry powder vibrating sieve is used for the sieving of various powders; the vibrating action prevents screen clogging and improves sieving efficiency. - [ZXS-2 Wet Washing Sieve](https://www.materst.com/product/zxs-2-wet-washing-sieve/): The ZXS-2 wet washing sieve is used for washing concrete test sieves as well as cement and sand test sieves. - [V-Type Sample Mixer (V-Blender)](https://www.materst.com/product/v-type-sample-mixer-v-blender/): The V-type sample mixer is used for the proportioning and blending of powdered materials, delivering uniform mixing in a short time with high efficiency. - [Fiber Dry Powder Mixer](https://www.materst.com/product/fiber-dry-powder-mixer/): This dry powder mixer is suitable for blending powder particles, liquid materials and solid powders, and handles a wide range of feed materials. - [ZKJ-2 Vacuum Mixer](https://www.materst.com/product/zkj-2-vacuum-mixer/): The ZKJ-2 vacuum mixer is used for blending powder particles, liquid materials and solid powders with a wide range of feed materials. - [FS-2015 Variable-Speed High-Speed Dispersing Mixer for Grout](https://www.materst.com/product/fs-2015-variable-speed-high-speed-dispersing-mixer-for-grout/): The FS-2015 is a variable-speed high-speed dispersing mixer designed for the preparation of cement grout and similar slurry materials in laboratories and on-site quality control. - [QM-5L Laboratory Horizontal Ball Mill](https://www.materst.com/product/qm-5l-laboratory-horizontal-ball-mill/): The QM-5L horizontal ball mill is a grinding and mixing device for laboratory or small-batch production. - [WNCF-4 Universal Electromagnetic Mineral Powdering Crusher](https://www.materst.com/product/wncf-4-universal-electromagnetic-mineral-powdering-crusher/): The WNCF-4 electromagnetic sample pulverizer grinds and powderizes mineral samples. - [Miniature Fire-Rated Temperature-Controlled Hot Plate / Electric Furnace](https://www.materst.com/product/miniature-fire-rated-temperature-controlled-hot-plate-electric-furnace/): The miniature fire-rated temperature-controlled hot plate (electric furnace) is used for heating, evaporation and drying of samples in the laboratory. - [CNC Temperature-Controlled Wax Melting Unit](https://www.materst.com/product/cnc-temperature-controlled-wax-melting-unit/): The CNC temperature-controlled wax melting unit intelligently melts and holds wax at a controlled temperature, used in sample mounting and embedding preparation. - [SPS-5 Laboratory Tailings Crushing Machine](https://www.materst.com/product/sps-5-laboratory-tailings-crushing-machine/): The SPS-5 laboratory tailings crushing machine is used for sample preparation, crushing residual/tailings material to the required particle size for laboratory analysis. - [Jaw Crusher](https://www.materst.com/product/jaw-crusher/): The jaw crusher performs coarse crushing of ore and rock samples in laboratories and pilot plants, reducing large chunks to smaller sizes for subsequent fine grinding and analysis. - [Model 175 Disc Grinding Mill](https://www.materst.com/product/model-175-disc-grinding-mill/): The Model 175 disc grinding mill is a disc-type pulverizer for fine grinding and pulverization of ore, rock, chemical and other laboratory samples, producing uniform powder for analysis. - [SZ-2 Portable Water Quality Analysis Test Kit](https://www.materst.com/product/sz-2-portable-water-quality-analysis-test-kit/): The SZ-2 portable water quality analysis kit performs multiple chemical parameters of water on site, housed in an outer/inner case with reagents and consumables supplied. - [LJ-60 Salt Spray Test Chamber](https://www.materst.com/product/lj-60-salt-spray-test-chamber/): The LJ-60 salt spray test chamber conducts salt spray corrosion tests on metallic materials and coated surfaces to evaluate their corrosion resistance, widely used in coating, automotive, electronics and material research. - [HGL-30/80 Admixture Solids Content Tester](https://www.materst.com/product/hgl-30-80-admixture-solids-content-tester/): The HGL-30/80 solids content tester determines the non-volatile solids content of chemical admixtures (additives) used in concrete and building materials, supporting dosage control and quality inspection. - [Automatic Vacuum Negative-Pressure Membrane Filter](https://www.materst.com/product/automatic-vacuum-negative-pressure-membrane-filter/): The automatic vacuum negative-pressure membrane filtration device performs membrane filtration of samples under controlled vacuum, widely used for sample preparation and particulate/microbial analysis in water quality, chemical and pharmaceutical laboratories. - [DC Resistance Tester (Precision Bridge)](https://www.materst.com/product/dc-resistance-tester-precision-bridge/): The precision bridge is used for accurate determination of DC resistance of materials and components, supporting electrical property testing in laboratory and quality control applications. - [XRW-300A Heat Deflection and Vicat Softening Temperature Tester](https://www.materst.com/product/xrw-300a-heat-deflection-and-vicat-softening-temperature-tester/): The XRW-300A determines the heat deflection temperature (HDT) and Vicat softening temperature (VST) of non-metallic materials such as plastics, hard rubber, nylon and long-fiber-reinforced plastics. - [Gypsum Three-Phase Composition Analyzer](https://www.materst.com/product/gypsum-three-phase-composition-analyzer/): The gypsum three-phase composition analyzer determines the composition of building gypsum — crystal water, hemihydrate phase and anhydrite phase — in accordance with GB/T 17669.1–4 (building gypsum analysis series standards). - [SC-200 Differential Scanning Calorimeter (DSC)](https://www.materst.com/product/sc-200-differential-scanning-calorimeter-dsc/): The SC-200 differential thermal scanning calorimeter (DSC) serves thermal analysis research and development in building materials, chemicals, petrochemicals, food, pharmaceuticals and polymer science. - [BZY101-103 Series Surface Tension Tester](https://www.materst.com/product/bzy101-103-series-surface-tension-tester/): The BZY101-103 series surface tension tester supports both the platinum ring (Du Noüy) and platinum plate (Wilhelmy plate) methods, with automatic calculation and output of test results. - [WSB-2 / WSB-2Y Precision Whiteness Meter](https://www.materst.com/product/wsb-2-wsb-2y-precision-whiteness-meter/): The WSB-2 / WSB-2Y precision whiteness meter measures the whiteness (brightness) of powders, granules, paper, ceramics, coatings and other materials for quality control in industry and laboratories. - [MD-2 Electronic Density (Specific Gravity) Meter](https://www.materst.com/product/md-2-electronic-density-specific-gravity-meter/): The MD-2 analytical density meter measures precise density values of solids, granules, liquids, viscous materials and semi-solids, with a readability of 0.0001 g and a capacity of 100 g. - [Metallographic Specimen Grinding Machine](https://www.materst.com/product/metallographic-specimen-grinding-machine/): The metallographic specimen grinding machine is used for fine grinding of specimens after coarse grinding, progressively removing scratches and preparing a uniform surface for final polishing. - [Metallographic Specimen Mounting Press](https://www.materst.com/product/metallographic-specimen-mounting-press/): The metallographic specimen mounting press (sample inlaying machine) embeds small or irregularly shaped specimens in a resin mounting block, so they can be held safely for grinding and polishing. - [Metallographic Specimen Cutting Machine](https://www.materst.com/product/metallographic-specimen-cutting-machine/): The metallographic specimen cutting machine cuts metal and other material samples to the required dimensions for metallographic examination, with controlled feed to minimize thermal damage to the cut surface. - [Metallographic Specimen Polishing Machine](https://www.materst.com/product/metallographic-specimen-polishing-machine/): The metallographic specimen polishing machine produces a scratch-free mirror surface on prepared specimens, enabling clear metallographic observation and structure analysis under a microscope. - [Metallographic Specimen Coarse Grinding Machine](https://www.materst.com/product/metallographic-specimen-coarse-grinding-machine/): The metallographic specimen coarse grinding machine is used to remove the damaged layer left by cutting and to flatten the specimen surface at the coarse-grinding stage of metallographic preparation, before fine grinding and polishing. - [Metallographic Specimen Pre-Preparation Machine](https://www.materst.com/product/metallographic-specimen-pre-preparation-machine/): The metallographic specimen pre-preparation machine is the first-stage equipment in the metallographic sample preparation workflow, used to flatten and clean the cut surface of specimens before grinding and polishing. - [Biological Microscope (Standard Type)](https://www.materst.com/product/biological-microscope-standard-type/): The standard-type biological microscope is used for routine biological observation in laboratories and teaching. - [ZYS-300E Biological Microscope (Computer Type)](https://www.materst.com/product/zys-300e-biological-microscope-computer-type/): The ZYS-300E computer-type biological microscope can be connected to a PC for observation and image analysis. - [LQEY-1 Asphalt Fluorescence Microscope](https://www.materst.com/product/lqey-1-asphalt-fluorescence-microscope/): The LQEY-1 fluorescence microscope is used for microscopic observation of asphalt and asphalt mixtures, allowing identification of mineral filler and phase structures under fluorescence illumination. - [ZL-1 Immersion-Type Multipurpose Liquid Circulating Chiller](https://www.materst.com/product/zl-1-immersion-type-multipurpose-liquid-circulating-chiller/): The ZL-1 immersion-type multipurpose liquid cooler was developed to meet the cooling requirements of different test equipment. - [Fully Automatic Open-Cup Flash Point and Fire Point Tester](https://www.materst.com/product/fully-automatic-open-cup-flash-point-and-fire-point-tester/): This fully automatic tester performs open-cup determination of the flash point and fire point of petroleum products (Cleveland open-cup method). - [Model 261 Closed-Cup Flash Point Tester (Pensky-Martens)](https://www.materst.com/product/model-261-closed-cup-flash-point-tester-pensky-martens/): The Model 261 determines the flash point of petroleum products by the Pensky-Martens closed-cup method, conforming to GB/T 261. - [LH-260 Water Content Tester for Petroleum Products](https://www.materst.com/product/lh-260-water-content-tester-for-petroleum-products/): Designed in accordance with the national standard GB/T 260 (Petroleum products — Determination of water), the LH-260 determines the water content of petroleum products, and can also determine the water content of lubricating grease per GB/T 512. - [LH-265A Kinematic Viscosity Tester for Petroleum Products](https://www.materst.com/product/lh-265a-kinematic-viscosity-tester-for-petroleum-products/): Designed and manufactured in accordance with the industry standard SY/T 5651 (Technical requirements for determination of kinematic viscosity of petroleum products), the LH-265A determines the kinematic viscosity of liquid petroleum products. - [Engler Viscometer](https://www.materst.com/product/engler-viscometer/): The Engler viscometer is used to determine the Engler degree (°E) of petroleum products and other oils. - [NDJ-1C Brookfield Rotational Viscometer](https://www.materst.com/product/ndj-1c-brookfield-rotational-viscometer/): The NDJ-1C Brookfield-type rotational viscometer is suitable for measuring the viscosity characteristics of a wide range of fluids. - [NDJ-8S (6S Type) Digital Rotational Viscometer](https://www.materst.com/product/ndj-8s-6s-type-digital-rotational-viscometer/): The NDJ-8S digital rotational viscometer measures the viscosity of non-Newtonian liquids such as greases, paints, pharmaceutical products and foodstuffs. - [DV1T Digital Rotational Viscometer (Medium-to-High Viscosity Type)](https://www.materst.com/product/dv1t-digital-rotational-viscometer-medium-to-high-viscosity-type/): The DV1T digital rotational viscometer is intended for viscosity measurement in the paint, coating, ink, adhesive and cosmetics industries, featuring a wide measuring range and high accuracy. - [STM-2T Stormer Viscometer (KU)](https://www.materst.com/product/stm-2t-stormer-viscometer-ku/): The STM-2T Stormer-type (KU) viscometer is used to determine the viscosity of low-viscosity liquids such as coatings, inks and latex paints, expressed in Krebs units. - [NDJ-1 Rotational Viscometer](https://www.materst.com/product/ndj-1-rotational-viscometer/): The NDJ-1 rotational viscometer measures the absolute viscosity of Newtonian liquids and the apparent viscosity of non-Newtonian liquids, widely used in the chemical, coating, food and pharmaceutical industries. - [ZND-6 Dual-Bowl Electronic Six-Speed Mud Viscometer](https://www.materst.com/product/znd-6-dual-bowl-electronic-six-speed-mud-viscometer/): The ZND-6 dual-bowl electronic six-speed rotational viscometer is designed for viscosity measurement of drilling mud and other fluids. - [Spiral Micrometer for Micro-Deformation](https://www.materst.com/product/spiral-micrometer-for-micro-deformation/): Micro-deformation measurement by a spiral micrometer. Measured height 60 mm; measuring range 0-10.000 mm; nominal pressure 79.2 Pa. - [Molded Cement-Mortar Prism Hardness Tester](https://www.materst.com/product/molded-cement-mortar-prism-hardness-tester/): Measures the hardening degree of molded cement-mortar prisms after forming; used in laboratories and factories for strength-development tracking. - [BM-V Computerized Friction Coefficient Tester](https://www.materst.com/product/bm-v-computerized-friction-coefficient-tester/): Pendulum (British pendulum) method for road-surface friction coefficient measurement. - [LX-A / B / C / D Shore Hardness Tester](https://www.materst.com/product/lx-a-b-c-d-shore-hardness-tester/): Shore hardness tester (A/B/C/D scales) for rubber, plastics and similar materials. - [Go / No-Go Thread Gauge and Ring Gauge](https://www.materst.com/product/go-no-go-thread-gauge-and-ring-gauge/): Thread plug and ring gauges (go/no-go) for thread inspection; custom sizes manufactured to drawing. - [Digital Torque Wrench](https://www.materst.com/product/digital-torque-wrench/): Digital torque wrench with data storage and PC connectivity. Available with open-end, ring, ratchet open and pipe-jaw heads. - [Rebar / Wire Repeated Bending Testing Machine](https://www.materst.com/product/rebar-wire-repeated-bending-testing-machine/): Repeated bending test on rebar and wire with digital display and automatic cycle counting. - [Rebar Forward / Reverse Bending Testing Machine](https://www.materst.com/product/rebar-forward-reverse-bending-testing-machine/): Bending test on concrete reinforcing bars, both forward and reverse, fully complying with GB/T 1499.1-2017 and GB/T 1499.2-2018. - [FZL-500 Digital Pull-Off Adhesion Tester](https://www.materst.com/product/fzl-500-digital-pull-off-adhesion-tester/): Digital pull-off adhesion tester for coatings on various substrates. - [Intelligent Falling-Weight Elastic Modulus Tester](https://www.materst.com/product/intelligent-falling-weight-elastic-modulus-tester/): Per JTG 3450-2019 and T 0948-2019; for highway and railway subgrade and beam-soil layers. Falling weight 19.1+/-1.3 kg; handle 1.25+/-0.04 kg; steel ball dia. - [Automatic Sand-Bed Permeability Parameter Tester](https://www.materst.com/product/automatic-sand-bed-permeability-parameter-tester/): Fully automatic sand-bed permeability tester that uses program-controlled simulated rainfall to determine the infiltration rate of sand beds. - [Expansive Soil Roughness Permeability Tester](https://www.materst.com/product/expansive-soil-roughness-permeability-tester/): Determines micro-permeability under a defined pressure and computes the permeability coefficient over a given time through sample thickness, per SL/T 237-1999. ## Optional - [Agent (MCP protocol)](websites-agents.hostinger.com/www.materst.com/mcp) [comment]: # (Generated by Hostinger Tools Plugin)