Penetration Grades Bitumen
The Penetration Grade Bitumen is a Refinery Bitumen that is manufactured at different Viscosities. The Penetration Test is carried out to characterize the Bitumen, based on the Hardness. Thus, it has the name Penetration Bitumen. The Penetration Bitumen Grades range from 15 to 450 for Road Bitumen. But the most commonly used range is 25 to 200. This is acquired by controlling the test carried out i.e. the distillation process. The partial control of fluxing the Residual Bitumen with the Oils can help in bringing the required hardness.
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