VG 40

Bitumen Specification

Viscosity Grade Analysis

Specification Acceptable Range Result Test Method Explanations
Absolute Viscosity Min 3200 3912 ASTM – D4402 at 60°c , Poises
Kinematic Viscosity Min 400 426 ASTM – D4402 at 135°c , c.st
Ductility Min 100 >100 ASTM – D113 at 25°C, cm
Solubility 99.0 Min 99.87 ASTM – D2042 in CCL4, %
Specific Gravity 1.01-1.06 1.028 ASTM – D70 at 25°C
Spot Test Negative Negative T102 in Naphtha
Flash Point 220 Min 344 ASTM – D92 °C
Penetration 40-60 47 ASTM – D5 at 25°C, mm/10
Absolute Viscosity Min 50 53.6 ASTM – D36 °C
Test on Residue From Thin Film Oven Test (T.F.O.T)
Raito Viscosity Max 4.0 1.5 ASTM – D4402 at 60°c , %
Ductility Min 25 38 ASTM – D113 at 25°c , cm
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