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penetration grade bitumen road construction

What is Penetration Grade Bitumen and How Can You Use It to Your Advantage?

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Penetration grade bitumen is one of the most common types of bitumen used in road construction. It is a petroleum-grade bitumen that is manufactured at different viscosities through fractional or vacuum distillation of crude oil. This refinery bitumen consists of a wide category of bitumen, which includes more than 5…
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