RSD Asphalts
Bitumen import and trading, and an authorised Balmer Lawrie distributor for most of the past two decades. RSD is the largest company in the group.
What RSD trades
Supplied to road builders and to industry across Kolkata and West Bengal, including steel, casting, forging, gas, plywood, leather, paper and railways.
| Product | Grades | Used for |
|---|---|---|
| Paving bitumen | VG-10 · VG-30 · VG-40 | Road construction and surfacing. VG-30 is the grade traded most. |
| Bitumen emulsion | Hot mix and cold mix | Tack coat, prime coat, surface dressing and patching. Made by Bajh Industries. |
| Light diesel oil | LDO | Fuel for industrial furnaces, boilers and diesel generating sets. |
| Furnace oil | — | Industrial heating and process furnaces. |
| Base and white oils | — | Base stocks for lubricant blending, and refined white oils for industrial use. |
| Lubricants and greases | — | Industrial lubricants and greases for plant and machinery. |
Balmer Lawrie distributorship
Authorised distributor and importer for Balmer Lawrie & Co. Ltd. for the better part of twenty years.