Pars Trade Group
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Viscosity Grade
Bitumen Viscosity Grade : VG-10 , VG-20 , VG-30 , VG-40
VISCOSITY GRADE (VG) BITUMEN SPECIFICATION AS PER IS 73:2006
| Characteristics | VG-10 |
VG-20 |
VG-30 |
VG-40 |
| Kinematic Viscosity, 135 (C), CST, min | 800 |
1600 |
2400 |
3200 |
| Flashpoint, (C), min | 250 |
300 |
350 |
400 |
| Flashpoint, C, min | 220 |
220 |
220 |
220 |
| Solubility in trichloroethylene, %, min | 99.0 |
99.0 |
99.0 |
99.0 |
| Penetration at 25˚C |
80-100 |
60-80 |
50-70 |
40-60 |
| Softening point, C, min | 40 |
45 |
47 |
50 |
| Tests on residue from thin film over test / RTFOT | ||||
| I. Viscosity ratio at 60˚C, max |
4.0 |
4.0 |
4.0 |
4.0 |
| II. Ductility at 25˚C, cm, min |
75 |
50 |
40 |
25 |