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Bitumen VG 40
| No. | Analysis | Limit | Test Method |
|---|---|---|---|
| 1 | Absolute Viscosity @60 ºC, Poises | Min. 3200 | IS 1206 (Part 2) |
| 2 | Kinematic Viscosity @135 ºC, cst | Min. 400 | IS 1206 (Part 3) |
| 3 | Flash Point (Cleveland Open Cup) ºC | Min. 220 | IS 1209 |
| 4 | Solubility in Trichloroethylene, % | Min. 99 | IS 1206 |
| 5 | Softening Point (R&B), ºC | Min. 47 | IS 1205 |
| 6 | Penetration @25ºC, 0.1mm 100g, 5 Sec. | 40-60 | IS 1203 |
| Tests on Residue from Thin Film Oven Tests / RTFOT | |||
| 7 | Viscosity Ratio @60ºC | Max. 4.0 | IS 1206 (Part 2) |
| 8 | Ductility @25̊ ºC, Cm, after thin film oven test | Min. 25 | IS 1208 |
| 9 | Specific Gravity@27/27 ºC | Min 0.99 | IS 1202 |
* Conforms to (IS 73:2006) Specifications.
Usage: Bitumen VG-40 is used in highly stressed areas such as: Intersections, Air ports, truck parking lots, near toll booths and roads with heavy traffic loads in higher temperatures. Because of higher viscosity it also can be used instead of 30/40 bitumen penetration grade.
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