BITUMEN 35/50 SPECIFICATION OF BITUMEN 35/50 Name Specification Test Method Specific gravity @25/25 ˚C 1.01-1.06 D-70 Penetration @25 ˚C 35-50 D-5 Softening point ˚C 52-60 D-36 Ductility @25 ˚C 100 min D-113 Loss on heating (wt)% 0.2 max D-6 Drop in penetration after heating % 20 max D-6 & D-5 Solubility in CS2 (wt) 99.5 […]