Bitumen VG40

Specification
Absolute Viscosity at 60ºC, Poises

Min. 3200

Kinematic Viscosity at 135ºC, cSt

Min. 400

Flash Point (Cleveland Open Cup) ºC

Min. 220

Solubility in trichloroethylene, %

Min. 99

Softening Point. (R&B), ºC

Min. 50
Penetration @25ºC, 0.1 mm 100 gm, 5 sec 40-60

Testson residue from thin film oven tests/RTFO

i) Viscosity ratio at 60ºC Max. 4.0

ii) Ductility at 25ºC, cm, after thin-film oven test

Min. 25

Specific Gravity @ 27/27 ºC

Min. 1.01-1.06