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VG-20 bitumen is a grade of viscosity bitumen used in cold climatic and high altitude regions. This grade of bitumen is suitable for road construction in regions with 30 to 37 °C average temperature. In North India, VG-20 is used for road construction in hot mix asphalt.
The standard penetration value of bitumen viscosity grade VG-20 is 60 mm at 25 °C. The absolute viscosity of VG-20 bitumen is 1600 to 2400 poise at 60 °C.
This bitumen is primarily used for the construction of extra-heavy bitumen pavements that have to bear significant traffic loads. Bitumen VG30 is the most widely used type of bitumen in road construction, insulation, building construction industries, and also in the production of cutback bitumen.
Bitumen VG20
| No. | Analysis | Limit | Test Method |
|---|---|---|---|
| 1 | Absolute Viscosity @60 ºC, Poises | Min. 1600 | IS 1206 (Part 2) |
| 2 | Kinematic Viscosity @135 ºC, cst | Min. 300 | 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. 45 | IS 1205 |
| 6 | Penetration @25ºC, 0.1mm 100g, 5 Sec. | 60-80 | 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. 50 | IS 1208 |
| 9 | Specific Gravity@27/27 ºC | Min 0.99 | IS 1202 |
* Conforms to (IS 73:2006) Specifications
Usage: Bitumen VG-20 is used for paving in high altitude and cold climate regions. it can be used for manufacturing some kind of asphalt primer & waterproofing products as well.
Jey Kimia Bitumen Company as one of the most reliable manufacturer and supplier of all kinds of bitumen grads in Iran by more than 20 years’ experience in producing and supplying bitumen in local and abroad markets.
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