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.
| Parameter | Specification |
|---|---|
| Standard | ASTM D36 / GB/T 4507 (ring-and-ball) |
| Temperature range | 30-157 °C |
| Heating rate | 5.0 ± 0.5 °C/min (automatic) |
| Ring | Brass, 6.4 mm high, 19.8 mm top bore / 15.9 mm bottom bore |
| Steel ball | 9.5 mm dia., 3.5 ± 0.05 g |
| Resolution | 0.1 °C |
| Power supply | AC 220 V ±10%, 50 Hz |