What It Is
Natural rubber reaches industry as ribbed smoked sheets (RSS), technically specified block rubber (ISNR) and centrifuged latex.
How It Is Made
Latex is coagulated and rolled into sheets and smoked (RSS), processed into crumb and pressed into blocks (ISNR), or concentrated by centrifuge for latex products.
Uses and Buyers
Tyre makers use most of it; latex goes to gloves, condoms, balloons, foam and threads.
Quality and Standards
RSS is graded RSS1–RSS5; ISNR by dirt and other parameters under BIS standards.
Trade and Exports
Kottayam is the trading hub; the Rubber Board publishes daily prices.
Where the Raw Material Comes From
Processors buy rubber from the main growing states below. Plants are usually built close to these belts, or close to ports for imported raw material, to keep freight low and quality fresh. Tap a state for its districts, markets, season and buyers.
| State | Main districts |
|---|---|
| Kerala | Kottayam, Pathanamthitta, Ernakulam, Idukki, Kollam, Malappuram |
| Tripura | West Tripura, Sepahijala, Gomati, Dhalai |
| Karnataka | Dakshina Kannada, Udupi, Shivamogga |
| Tamil Nadu | Kanyakumari |
| Assam | Goalpara, Karbi Anglong, Kamrup |
Makers, Processors and Bodies
Related: Rubber · All products · All crops
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