50 70

BITUMEN PENETRATION GRADE 50 70 It is a kind of bitumen which is produced during the process of oxidation of vacuum bottom in disti...

Bitumen Penetration Grade 60 70 (VG 30 20 50 70 or 60 80 on request) Totally Standardized

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...

Bitumen Penetration Grade 60 70 Bitumen Penetration Grade 40 50 Bitumen Penetration Grade 80 100 Bitumen Penetration Grade 20 30 Bitu...