BITUMEN 40/50

A grade of Bitumen means the penetration value is in the range 40 to 50 at standard test conditions which is commonly used as a Paving Grade.

Bitumen Penetration Grade 40/50 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.

Characteristic

Unit

40-50

Test Method

Specific Gravity @ 25/25⁰ C

-

1.01-1.06

ASTM D70

Penetration @ 25⁰ C

dmm

40-50

ASTM D5

Softening Point

⁰C

52-60

ASTM D36

Ductility @ 25⁰ C

cm

100 min

ASTM D113

Loss on Heating

%wt

0.2 max

ASTM D6

Drop in Penetration after Heating

%

20 max

ASTM D6 & D5

Flash Point

⁰C

250 min

ASTM D92

Solubility in TCE

%wt

99.5 min

ASTM D2042

Spot Test

-

negative

AASHTO T102