Bitumen 40/50 is a penetration grade bitumen means the penetration value is in the range 40 to 50 at standard test conditions which commonly used as a Paving Grade. This bitumen is petroleum grade bitumen, produced from fractional distillation of crude oil and vacuum residue (short residue) feedstock. Bitumen 40/50 is applicable for the production of hot mix asphalt for bases and pavements and for road.it is used in tropical areas.