Tag Archives: Iran Bitumen Supplier

Introduction Bitumen Penetration Grade 40/50 is a semi-hard penetration bitumen used extensively in heavy-duty road construction and infrastructural projects. Classified under ASTM D946M specifications, the grade penetrates between 40 to 50 dmm and has improved viscosity and deformation resistance. Because of its thermoplastic nature, Bitumen 40/50 melts at high temperatures and freezes at low temperatures, […]

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