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)

 

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