Specification of bitumen penetration grade 30/45BAKHTAR BITUMEN Bitumen 30/45Test methodUnitSpecificationPenetration @ 25°CIP 49mm/1030/45Softening point °CIP 58°C52/60Kinematic Viscosity @ 135⁰CIP 319mm2/s400 minFlashpoint °CIP 36°C240 minSolubility is CS2(wt) %IP 47wt %99 min