Bitumen Penetration Grade 40/50

Bitumen Penetration Grade 40/50 is a standard penetration grade Bitumen usually used as a Paving Grade Bitumensuitable for road construction and for the production of asphalt pavements with superior properties.

Penetration Grade
40-50 60-70 85-100
Analysis Unit Test Method
Density @ 25ºC kg/m3 1010-1060 1010-1060 1000-1050 ASTM D70
Penetration @ 25ºC mm/10 40-50 60-70 85-100 ASTM D5
Softening Point ºC 49 min 46 min 42 min ASTM D36
Ductility @ 25ºC cm 100 min 100 min 100 min ASTM D113
Loss on heating wt% 0.2 max 0.2 max 0.5 max ASTM D6
Drop in penetration after heating % 20 max 20 max 20 max ASTM D5
Flash point ºC 232 min 232 min 232 min ASTM D92
Solubility in Trichloroethylene wt% 99.0 min 99.0 min 99.0 min ASTM D2042
Spot test Negative Negative Negative AASHTO T 102
Viscosity @60ºc P 4000±800 2000±400 1000±200 ASTM D 2171
Viscosity@135ºc cSt 400 min 300 min 250 min ASTM D 2170
Retained Penetration after (T.F.O.T)

 

% 58 min 54 min 50 min ASTM D5
Ductility (25 °C) cm 50 50 75 ASTM D113
Viscosity @ 60ºc P 20000 max 10000 max 5000 max ASTM D 2171

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