

PG 46-22
PG 46-28

VG bitumen 40
Viscosition Grade (VG bitumen)

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

Bitumen 85/100
Ayre is 185/85 bitumen through the oxidation process on the vacuum baton (raw material of bitumen production from the bottom of the distillation tower in the vacuum of Garf oil refineries

PG 52-28
PG 46-28