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Specifications Of Bitumen Penetration Grade 40/50

ParametersTest methodUnitSpecification
Specific gravity @ 25°C ASTM D70 Kg/cm3 1.01/1.06
Penetration @ 25°C ASTM D5 Mm/10 40/50
Softening point °C ASTM D36 °C 52/60°C
Ductility @25 °C ASTM D113 cm 100 min
Loss on heating(wt) % ASTM D6 wt % 0.2 max
Drop in penetration after heating % ASTM D5-D6 % 20 max
Flashpoint °C ASTM D92 °C 250 min
Solubility is CS2(wt) % ASTM D4 wt % 99.5 max
Spot Test A.A.S.H.O.T102 --- Negative
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