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.

Product Specification

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
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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