specification of bitumen penetration 10/20
BAKHTAR BITUMEN
Bitumen 10/20 | Test method | Unit | Specification |
Specific gravity @ 25°c | ASTM D70 | Kg/cm3 | 1.01/1.06 |
Penetration @ 25°c | ASTM D5 | Mm/10 | 10/20 |
Softening point °c | ASTM D36 | °C | 58/66 |
Ductility @25 °c | ASTM D113 | Cm | 100 min |
Loss on heating(wt) % | ASTM D6 | wt % | 0.2 max |
Drop in penetration after heating % | ASTM D5-D6 | % | 20 max |
Flashpoint c | ASTM D92 | °C | 250 min |
Solubility is CS2(wt) % | ASTM D4 | wt % | 99.5 max |
Spot test | A.a.s.h.o.t102 | Negative |