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A grade of 40/50 bitumen means the penetration value is in the range 40 to 50 at standard test conditions which is commonly used as a Paving Grade. Bitumen Penetration Grade 40/50 is a standard penetration grade Bitumen usually used as a Paving Grade Bitumen suitable for road construction and for the production of asphalt pavements with superior properties. This grade of Bitumen is mainly used in the manufacture of hot mix asphalt for bases and wearing courses.
Mainly used in road construction as a binder in Hot Mix Asphalt (HMA) and as main component to produce bitumen emulsion used as prime and tack coat. It can also be used as a blending component in the production of polymer modified bitumen/ asphalt (PMB/PMA) and in spraying and chip applications.
The most common usage of bitumen 80/100 is in road construction, water proofing, building construction industries and also in cutback bitumen production. This kind of bitumen is suitable to be used in cold regions.
VG-30 is especially used to construct extra heavy duty Bitumen pavements that need to tolerate significant traffic loads. It can be used instead of 60/70 penetration bitumen grade.