Penetration Bitumen Grades Penetration Bitumen 10/20 Penetration Bitumen 30/40 Penetration Bitumen 35/50 Penetration Bitumen 40/50 Penetration Bitumen 40/60 Penetration Bitumen 60/70 Penetration Bitumen 80/100 Penetration Bitumen 100/150 Penetration Bitumen 160/220
