Bitumen pen grade 60/70
Typical Specifications of Bitumen pen grade 60/70 are given below in line with specifications of ASTM or AASHTO.
The Product will be packed in clean, rust free steel drums of size as required by the buyer.
| S.No | Technical Specification | Test Results | |
| Minimum | Maximum | ||
| 1 | Penetration at 25oC (100 gms in 5 secs) | 60 | 70 |
| 2 | Ductility at 25oC ( at specified rate 5cm per min) min breaking length (in cm) | 100 | |
| 3 | Flash Point ,oC | 232 | |
| 4 | Specific Gravity | 1.001 | 1.06 |
| 5 | Softening Point Deg C | 45 | 52 |
| 6 | Solubility in in Trichloroethylene, ( purity in percent) | 99 | |
| 7 | Performance when subjected to the (Thin film oven test or rolling thin oven test) | ||
| 7.1 | Loss of mass on heating from the original in percent | 0.8 | |
| 7.2 | Penetration of the residue (percent from the original) | 54 | |
| 7.3 | Ductility of residue at 25oC at the specific rate of 5cm per minute. The minimum breaking length in cm | 50 | |
| 8 | Spot Test for standard solvent | Negative | |