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Bitumen Specification
Penetration Grade Analysis
Explanations
|
Test Method
|
Result
|
Acceptable Range
|
Specification
|
at 25°c , mm/10
|
ASTM – D5
|
66
|
60-70
|
Penetration
|
°c
|
ASTM – D36
|
49.5
|
49-56
|
Softening Point
|
at 25°c , cm
|
ASTM – D113
|
>100
|
100+
|
Ductility
|
in CCL4 , %
|
ASTM – D2042
|
99.8
|
99.0 Min
|
Solubility
|
at 25°c
|
ASTM – D70
|
1.018
|
1.01-1.06
|
Specific Gravity
|
in Naphtha
|
T102
|
Negative
|
Negative
|
Spot Test
|
°c
|
ASTM – D92
|
315
|
220 Min
|
Flash Point
|
at 135°c , c.st
|
ASTM – D4402
|
325
|
....
|
Kinematic Viscosity
|
at 60°c , Poises
|
ASTM – D4402
|
2006
|
....
|
Absolute Viscosity
|
Test on Residue From Thin Film Oven Test (T.F.O.T)
|
%
|
ASTM – D5&D6
|
8.9
|
20 Max
|
Drop in Penetration
|
Wt%
|
ASTM – D6
|
0.09
|
0.2 Max
|
Mass Loss
|