Explanations

Test Method

Result

Acceptable Range

Specification

at 25°c , mm/10

ASTM – D5

91

85-100

Penetration

°c

ASTM – D36

45.4

45-53

Softening Point

at 25°c , cm

ASTM – D113

>100

+100

Ductility

in CCL4 , %

ASTM – D2042

99.87

99.0 Min

Solubility

at 25°c

ASTM – D70

1.01

1.01-1.06

Specific Gravity

in Naphtha

T102

Negative

Negative

Spot Test

°c

ASTM – D92

334

220 Min

Flash Point

at 135°c , c.st

ASTM – D4402

287

....

Kinematic Viscosity

at 60°c , Poises

ASTM – D4402

1164

....

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

0.11

0.2 Max

Mass Loss