- Supply TypeManufacturer, Exporter, Supplier
- Preferred Buyer Location All over the world
Bitumen is classified by the depth to which a standard needle will penetrate under specified test conditions. This “pen” test classification is used to indicate the hardness of bitumen, lower penetration indicating a harder bitumen. Bitumen 30/40,Bitumen 40/50,Bitumen 50/60....etc
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