Penetration Grade Bitumen 60 70

Bitumen Penetration Grade 60/70 is a standard penetration grade Bitumen usually used as a Paving Grade Bitumen suitable for road construction and for the production of asphalt pavements with superior properties. This grade of Bitumen is mainly used in the manufacture of hot mix asphalt for bases and wearing courses.

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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