all about bitumen. definition, types, tests, uses, application

Viscosity Grade VG Bitumen 40 , Bitumen VG40

VG Bitumen 30, Bitumen VG30

Viscosity Grade VG Bitumen 20, Bitumen VG20

VG Bitumen 10, VG10 , Bitumen VG10

Viscosity Grade VG Bitumen (VG 10,VG 30,VG 40)