Bitumen 60/70

70/60 is a bit of a bit of oxidation on the vacuum baton (raw material of bitumen production from the bottom of the distillation tower in the vacuum of oil refineries

VG bitumen 20

Viscosition Grade (VG bitumen)

PG 52-28

PG 46-28

Bitumen 40/50

It is 50/50 of the bitumen by performing the oxidation process on the vacuum baton (raw material of bitumen production from the bottom of the distillation tower in the vacuum of oil refineries