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ASTM D946 (ISIRI 12505)

This Standard covers bitumen for use in the construction of pavements with various penetration grades of 40-50, 60-70, 85-100, 120-150, 200-300 which shall conform to the requirements prescribed in ASTM D946. Fouman Chimie Gostar is capable of  producing the following grades:

  • 40-50:
Characteristic

Unit

40-50

Test Method

Specific Gravity @ 25/25 °C

-

1.01-1.06

ASTM D70

Penetration @ 25 °C

dmm

40-50

ASTM D5

Softening Point

°C

52-60

ASTM D36

Ductility @ 25 °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

°C

250 min

ASTM D92

Solubility in TCE

%wt

99.5 min

ASTM D2042

Spot Test

-

negative

AASHTO T102



  • 60-70:

Characteristic

Unit

60-70

Test Method

Specific Gravity @ 25/25 °C

-

1.01-1.06

ASTM D70

Penetration @ 25 °C

dmm

60-70

ASTM D5

Softening Point

°C

49-56

ASTM D36

Ductility @ 25 °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

°C

250 min

ASTM D92

Solubility in TCE

%wt

99.5 min

ASTM D2042

Spot Test

-

negative

AASHTO T102



  • 85-100:

Characteristic

Unit

85-100

Test Method

Specific Gravity @ 25/25 °C

-

1.01-1.05

ASTM D70

Penetration @ 25 °C

dmm

85-100

ASTM D5

Softening Point

°C

45-52

ASTM D36

Ductility @ 25 °C

cm

100 min

ASTM D113

Loss on Heating

%wt

0.5 max

ASTM D6

Drop in Penetration after Heating

%

20 max

ASTM D6 & D5

Flash Point

°C

225 min

ASTM D92

Solubility in TCE

%wt

99.5 min

ASTM D2042

Spot Test

-

negative

AASHTO T102


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