WHAT IS BITUMEN VG 30
Bitumen VG 30 full name is bitumen viscosity grade 30 so as it's clear now we can understand from its full name, the name of this grade of Bitumen is chosen according to its viscosity and this bitumen would be in the viscosity bitumen group. The "VG" in Bitumen VG 30 stands for "Viscosity Grade," which [...]