Bitumen 60/70 seller in drum and jumbo bag SGS approved

Meaning of Bitumen 60/70 Bitumen 60/70 means penetration of bitumen is between 60 to 70 and compare bitumen 80/100 which means penetration is between 80 to 100 is harder since needle penetrating less.This grade of bitumen is made by blowing of hot air to vacuum bottom and as much as heating the raw material bitumen will get …

Bitumen 60/70 seller in drum and jumbo bag SGS approved Read More »