Therefore, it has the name penetration bitumen.Penetration Grade Bitumen is a standard bitumen usually used as a Paving Grade Bitumen essential for road construction and for the production of asphalt pavements with superior properties, and it’s very important once it bounds the aggregates and creates a unique cohesion and stability to the bituminous mix.Īctually it is Bitumen classified using the penetration property. The penetration test is carried out to characterize the bitumen, based on the hardness. In fact, Penetration bitumen is semi hard black material known as petroleum grade bitumen. The penetration grades bitumen is refinery bitumen which is produced by different viscosity. Penetration Grade of Bitumen Grades of Bitumenīitumen is usually characterized in the following three types of grades:
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