Road Construction Bitumen VG-40 Petro Toloe Jam

VG-40 BITUMEN is a new revision of bitumen that is different with the penetration ones. It is called viscosity grade that improved from the last ones.

Road Construction Bitumen VG-40 Sina Rad

Bitumen VG-40 is a new revision of bitumen that is different with the penetration ones. It is called viscosity grade that improved from the last ones.