SL NO. | Characteristics | Neptune Paving Grades Bitumen Specification (IS 73) | |||||
---|---|---|---|---|---|---|---|
Neptune VG10 |
Neptune VG20 |
Neptune VG30 |
Neptune VG40 |
Neptune 80/100 |
Neptune 60/70 |
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i | Absolute Viscosity, 60°C, poises, min | 800-1600 | 1600-2400 | 2400-3600 | 3200-4800 | 800-1600 | 2000-3200 |
ii | Kinematic Viscosity, 135°C, CST, min | 250 | 300 | 350 | 400 | 250 | 300 |
iii | Flash Point, C, min | 220 | 220 | 220 | 220 | 220 | 220 |
iv | Solubility in trichloroethylene, % min | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 |
v | Penetration at 25°C | 80-100 | 60-80 | 50-70 | 40-60 | 80-100 | 60-70 |
vi | Softening point, C, min | 40 | 45 | 47 | 50 | 40 | 47 |
vii | Tests on residue from thin film over test/RTFOT: | ||||||
(i) Viscosity ratio at 60°C, max | 4 | 4 | 4 | 4 | 4 | 4 | |
(ii)Ductility at 25°C, cm, min, after thin film over test | 75 | 50 | 40 | 25 | 75 | 40 |