| Sl. No. |
Characteristics |
Method No. |
Unit |
Paving Grades |
| VG 10 |
VG 20 |
VG 30 |
VG 40 |
| Min |
Max |
Min |
Max |
Min |
Max |
Min |
Max |
| 1 |
Penetration at 25°C, 100g, 5 Sec. |
IS 1203 |
0.1 mm |
80 |
|
60 |
|
45 |
|
35 |
|
| 2 |
Absolute Viscosity at 60 °C, |
IS 1206: (Part2) |
Poises |
800 |
1200 |
1600 |
2400 |
2400 |
3600 |
3200 |
4800 |
| 3 |
Kinematic Viscosity at 135 °C, |
IS 1206: (Part3) |
cSt |
250 |
|
300 |
|
350 |
|
400 |
|
| 4 |
Flash point, Cleveland open cup, |
IS 1448 [P:69] |
°C |
220 |
|
220 |
|
220 |
|
220 |
|
| 5 |
Solubility in trichloroethylene, |
IS 1216 |
% by mass |
99.0 |
|
99.0 |
|
99.0 |
|
99.0 |
|
| 8 |
Softening Point, (R&B), |
IS 1205 |
°C |
40 |
|
45 |
|
47 |
|
50 |
|
| 7 |
Test on residue from thin –film oven test/RTFOT |
IS 1206: (Part2)
|
|
|
|
|
|
|
|
|
|
| 1) Viscosity ratio at 60 °C |
— |
4.0 |
— |
4.0 |
— |
4.0 |
— |
4.0 |
| 2) Ductility at 25 °C, after thin-film oven test |
75 |
— |
50 |
— |
40 |
— |
25 |
— |
