|
|
VG 20
Bitumen Specification
Viscosity Grade Analysis
|
Explanations
|
Test Method
|
Result
|
Acceptable Range
|
Specification
|
|
at 60°c , Poises
|
ASTM – D4402
|
1922
|
Min 1600
|
Absolute Viscosity
|
|
at 135°c , c.st
|
ASTM – D4402
|
317
|
Min 300
|
Kinematic Viscosity
|
|
at 25°c , cm
|
ASTM – D113
|
>100
|
Min 100
|
Ductility
|
|
in CCL4 , %
|
ASTM – D2042
|
99.8
|
99.0 Min
|
Solubility
|
|
at 25°c
|
ASTM – D70
|
1.022
|
1.01-1.06
|
Specific Gravity
|
|
in Naphtha
|
T102
|
Negative
|
Negative
|
Spot Test
|
|
°c
|
ASTM – D92
|
332
|
220 Min
|
Flash Point
|
|
at 25°c , mm/10
|
ASTM – D5
|
70
|
60-80
|
Penetration
|
|
°c
|
ASTM – D36
|
47.8
|
Min 45
|
Softening Point
|
|
Test on Residue From Thin Film Oven Test (T.F.O.T)
|
|
at 60°c , %
|
ASTM – D4402
|
1.9
|
Max 4.0
|
Raito Viscosity
|
|
at 25°c , cm
|
ASTM – D113
|
76
|
Min 50
|
Ductility
|
18515
Visits
|