I.Product intruduction: 1)DSHD-4508D Asphalt Ductility Tester is designed and developed as per standards GB/T4508, T0605 bitumen ductility test in the industrial standard JTJ052 and ASTM D113. 2)DSHD-4508D Asphalt Ductility Tester is used to determinate the ductility of bitumen - the length while the bitumen being stretched to crack with a certain speed under regulation condition and temperature.The unit is cm. II. Main technical specifications and parameters 1. Power supply: AC220V(-5%~+10%), 50Hz. 2. Measurement range: 2.0m(±10mm) 3. Heating mode: electrical heater 4. Heating power: 3200W 5. Circulation of bath liquid: strong magnetic pump 6. Temp. control range: 5°C~50°C adjustable, digital display 7. Temp. control precision: ±0.1°C. 8. Pull speed: two grades: 10 mm/min and 50mm/min. 9. Measurement precision: ±1 mm 10. Ductility display: digital 11. Cooling style: 1.5 P compressor, input power 950 w 12. Ambient Temperature: -10°C~+35°C 13. Relative humidity: no more than 85% 14. Total power consumption: no more than 4500W More asphalt ductility tester: DSHD-4508D Asphalt Ductility Tester DSHD-4508F Asphalt Ductility Tester DSHD-4508G Low Temperature Asphalt Ductility Tester DSHD-4508J Asphalt Ductility Tester DSHD-4508C Asphalt Ductility Tester