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The penetration value of bitumen is the vertical penetrated measure of the standard needle into the bituminous material under specific weight and temperature.This distance is measured in [...]

The spot test is useful for detecting overheating or cracked bitumen occurs because the actual molecules are thermally broken apart. It is shown whether or not Bitumen has been damaged during [...]

Bitumen is a mixture of dense, sticky, viscous organic liquids, which is mainly composed of polycyclic aromatic hydrocarbons, obtained naturally from crude oil distillation. Naturally occurring [...]