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B I T U M E N |
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SPECIFICATION OF BITUMEN
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| Sr.No. |
Characteristics |
80/100 |
60/70 |
30/40 |
10/20 |
| 1 |
Specific Gravity at 27
0C
min |
0.98 |
0.99 |
0.99 |
1.00-1.05 |
| 2 |
Water percent by wt.max |
0.2 |
0.2 |
0.2 |
- |
| 3 |
Flash point,
0C |
175 |
175 |
175 |
225 |
| 4 |
Softening point
0C |
35-50 |
40-55 |
50-65 |
65-80 |
| 5 |
Penetration at 25
0C, 100 g 5 sec in 1/100 cm |
80-100 |
60-70 |
30-40 |
10-20 |
| 6 |
Ductility at 27
0C, in cm. min |
75 |
75 |
50 |
2.5 |
| 7 |
Loss on heating, percentage by wt.Max |
1 |
1 |
1 |
0.10 |
| 8 |
Penetration of residue |
60 |
60 |
60 |
- |
| 9 |
Percent by wt. soluble in carbon
di- sulphide, min |
99 |
99 |
99 |
99 |
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