viscosity grade of bitumen (VG10, VG20, VG30, VG40)
Specifications
Viscosity Grade Bitumen is petroleum grade bitumen, which produced from fractional vacuum bottom which comes from distillation of crude oil, which feasible appliance and behavior changes according to its temperature.publtd company is manufacturer of different grades of viscosity bitumen like as VG10, VG20, VG30, VG40 .
