Viscous petroleum road bitumen grade BND 70/100

Quality: 

Needle penetration depth at 25℃, 0.1 mm  – 71

Softening temperature along the ring and ball, ℃  - 47.0

Extensibility at 0℃, cm -  3,7

Brittleness temperature, ℃ - -18

Flash point, ℃ - 298

Change in softening temperature after warming up, ℃  - 7