![]() ![]() Viscosity of the bitumen: at the time of mixing and compaction should be adequate.Temperature susceptibility of bitumen: the bitumen mix should not become too soft or unstable during hot weather, and not become too brittle during cold weather.But in general good bitumen should have following properties. The type of construction decides the type of bitumen needs to be used. Depending on the origin and other characteristics of the crude oils and property of bitumen required, more than one processing method may be employed. A wide variety of refining techniques like straight distillation technique, solvent extraction technique etc are used to produce bitumen of different consistency and other desirable properties. Bitumen is the residue or by-product obtained by the refining of crude petroleum. ![]()
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