Hot mix asphalt for bases and wearing courses usually contain Bitumen Penetration Grade 30/40. Bitumen for penetration grade is derived from fractional / vacuum distillation of crude oil and is manufactured by Vira Petroleum.
By testing the penetration and softening points of bitumens, penetration grade bitumens can be distinguished. A thermoplastic property makes penetration grade bitumens soft at high temperatures and hard at low temperatures. When it comes to bitumen performance parameters such as adhesion, rheology, durability, and application temperatures, the unique temperature-viscosity relationship is essential.
Temperature influences the Bitumen mode. Temperature versus stiffness of bitumen varies according to crude oil type and refinement process. It is suitable for road construction and repair since it is a penetration grade bitumen of semi-hard hardness.
Penetration @ 25 A C : 30/40
Softening point : 55/63
Ductility @25 A C : 100 Min
Loss on heating(wt) % : 0.2 Max
Flash point : 250 Min
Solubility in CS2(wt) % : 99.05 Min
Drop in penetration after heating % : 20 Max
Pishrovan Diba Tejarat Vira (Vira Petroleum) is a multinational company focusing on petroleum products from Iran. We are a supplier of Iranian petroleum products, such as Virgin Base Oil, Recycled Base Oil, Petroleum Hydrocarbon, Paraffin & Slack Wax, Bitumen, Furnace Oil and etc., with high quality and based on the customers desired analysis. We provide standards from famous international companies like SGS, ASCO based on customersrequest.
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