Bitumen is a visco-elastic material, which remains as residue after vacuum distillation
of the crude oil. It is a complex mixture of organic compounds which cannot be tendency to degrade on exposure to heat, oxygen and ...
World over road construction has taken a centre stage owing to the impetus it provides to the economy. Bitumen is a black coloured, semi-solid hydrocarbon obtained as an end product during refining of crude oil and is ...
