Bitumen Penetration Grade 85/100 which is produced during the process of oxidation of vacuum bottom in distillation tower and its penetration grade is between 85 & 100. This bitumen manufactured from fractional/vacuum distillation of crude oil. This grade of Bitumen is mainly used in road construction, water proofing, building construction industries and also in cutback bitumen production. This kind of bitumen is suitable to use in cold regions.