Paving Bitumen.
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)
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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 | — |