BITUMEN Penetration 60 70 PEN GRADE BITUMEN PENETRATION GRADE = PG It is a kind of bitumen which is produced during the process o...
BITUMEN GRADES: 40 50 60 70 AND 80 100 All 15 packages are tar : Cube bag 300Kg (180 150 200) KG sheet may Thicknesse 0.6 Viet barrel...