Rubber TSR 20 price December 2025 and outlook (see chart below)
- Southeast Asia:US$1.87/KG, 1.1% up
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Latest market developments for Rubber for December 2025
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Rubber TSR 20 price index
This post is a summary of the Rubber TSR 20 price developments. The price developments of Rubber TSR 20 are expressed in US$ prices converted FX rates applicable at the time when the price was valid. Rubber TSR 20 price index developments are calculated from multiple separate sources of data to ensure statistical accuracy.
The outlook for Rubber TSR 20 prices is generated from different inputs including:
- Very recent price developments of immediate cost drivers of Rubber TSR 20 prices
- Recent price developments of underlying feedstocks which drive the price of Rubber TSR 20
- Market futures for both cost drives and feedstocks of Rubber TSR 20 prices
- Adjustment of current supply/demand imbalances in the Rubber TSR 20 market
- Longer term trends in likely demand conditions
What is Rubber TSR 20 and what is it used for
Technically Specified Rubber 20 (TSR 20) is a grade of natural rubber produced in block form, manufactured under defined technical parameters (dirt content, ash content, nitrogen content, volatile matter, Wallace plasticity, and plasticity retention index). It is one of the most commonly traded grades of natural rubber and is described as “the most important and representative natural rubber product on the market”. TSR 20 is widely used in tyre manufacturing, inner‑tubes, conveyor belts, footwear and other rubber goods where consistent physical properties are required.
How is Rubber TSR 20 produced
TSR 20 is produced from latex harvested from rubber trees, which is then processed into block rubber through a series of steps: the latex is coagulated, pressed/rolled, then subjected to cleaning/crushing, drying and grading to meet the technical spec of TSR 20. The grade specification (for example in Thailand) includes maximums for dirt content (~0.16 % wt), ash (~0.80 % wt), volatile matter (~0.80 % wt), and minimum Wallace plasticity (~30) and PRI (~40 %). After processing, the block rubber is packaged (for example bales of ~35 kg each for futures delivery) and enters commercial supply chains.
How large is the global market for Rubber TSR 20 and where is it produced
The global market for technically specified rubber (including TSR 20) has been valued at approximately USD 22 billion in 2023, with projections to reach about USD 33 billion by 2032. While that figure covers all TSR grades (TSR 10, TSR 20, TSR 50 etc), TSR 20 is reported to account for a significant portion of the market and is described as covering “half of the global natural rubber’s production and consumption” in one source.
In terms of production geography: the bulk of natural rubber comes from Southeast Asia. Countries such as Thailand, Indonesia, Malaysia (and others such as Vietnam) are major producing nations. For example, Thailand alone produced about 4.7 million metric tonnes of natural rubber in 2023, which is about one‑third of global production.
Production of TSR 20 specifically is undertaken in approved factories in these rubber‑producing countries; for example, the futures contract for TSR 20 identifies deliverables originating from China, Thailand, Malaysia and Indonesia.