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JALNIDHI - Bitumen VG-40 is special formulated bitumen, which is obtained by a technique of physical/chemical modification that alters the chemistry and balance of the bituminous components to a desired optimum. They are formulated to resist both pavement rutting at higher temperatures and thermal shrinkage cracking at lower temperatures. In addition, JALNIDHI - Bitumen VG-40 better withstand fatigue at normal operating temperatures. JALNIDHI - Bitumen VG-40 combines the characteristic advantages of softer grades at low temperatures and of harder grades at high temperatures.
JALNIDHI - Bitumen VG-40 can be used in various asphalt mix designs and techniques whichs result in the manufacture of cohesive asphalt mixes suitable for any type of traffic. JALNIDHI - Bitumen VG-40 increases the stability of the asphalt mix at any temperature and enhances long lasting surface characteristics, JALNIDHI - Bitumen VG-40 is suitable for heavy traffic road, airport runway and taxiway, container terminals.
| Properties | Unit | Min | Max | Test Method |
|---|---|---|---|---|
| Flash Point Temperatures | °C | 220 | - | IS 448 (P-69) |
| Absolute Viscosity at 60° C | Poises | 3200 | 4800 | IS 1206 (Part2) |
| Kinematic Viscosity at 135° C | Cst | 400 | - | IS 1206 (Part3) |
| Solubility in Trichloroethylene | % | 99 | - | IS 1216 |
| R & B Softening Point | °C | 50 | - | IS 1205 : 1978 |
| Penetration @ 25C, 100g, 5 sec | 35 | - | IS 1203 : 1978 | |
| Rolling thin Film Oven Residue | ||||
| Viscosity Ratio @ 60° C | - | 4 | IS 1206 (Part2) | |
| Ductility @ 25 C Cm | CM | 25 | - | IS 1208 : 1978 |
| Sl No. | Characteristics | Paving Grades | Method of Test, Ref to |
|---|---|---|---|
| VG40 | |||
| i) | Penetration at 25°C, 100 g, 5 s, 0.1 mm, Min | 35 | IS 1203 |
| ii) | Absolute viscosity at 60°C, Poises | 3 200-4 800 | IS 1206 (Part 2) |
| iii) | Kinematic viscosity at 135°C, cSt, Min | 400 | IS 1206 (Part 3) |
| iv) | Flash point (Cleveland open cup), °C, Min | 220 | IS 1448 [P : 69] |
| v) | Solubility in trichloroethylene, percent, Min | 99.0 | IS 1216 |
| vi) | Softening point (R&B), °C, Min | 50 | IS 1205 |
| vii) | Tests on residue from rolling thin film oven test: | ||
| a) Viscosity ratio at 60°C, Max | 4.0 | IS 1206 (Part 2) | |
| b) Ductility at 25°C, cm, Min | 25 | IS 1208 | |
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NSCB International Airport, Kolkata
November 10, 2017
