Products

Technically specified natural rubber — consistent plasticity for industrial manufacturing.

Block Rubber STR 20 / RSS
Block Rubber

Technically specified natural rubber in compressed block form. Consistent plasticity for industrial manufacturing.

Every batch is traceable through our Synchronised Traceability™ system — from smallholder plantation to your delivery point. Full FSC™ CoC documentation, NIR quality verification, and EUDR-ready provenance data included.

Contact our team to discuss specifications, custom formulations, minimum order quantities, or to request a sample shipment.

Tat Win’s block rubber is a technically specified natural rubber (TSR) produced in compressed block form. It offers consistent plasticity, low impurity levels, and reliable processing characteristics for industrial manufacturing.

With a minimum plasticity retention index (PRI) of 40% and Wallace rapid plasticity (P₀) of 30 minimum, our block rubber maintains its processing properties across varying conditions — giving manufacturers confidence in consistent performance.

Technical data

Specifications

Property Specification
Dirt retained on 44μ aperture (max % wt) 0.16
Ash content (max % wt) 0.80
Nitrogen (max % wt) 0.60
Volatile matter (max % wt) 0.80
Wallace rapid plasticity P₀ (min) 30
Plasticity retention index PRI (min %) 40
Where it's used

Applications & Industries

Automotive

Tyre manufacturing, engine mounts, and automotive rubber components.

Industrial

Conveyor belts, industrial rubber goods, and heavy-duty applications.

Footwear

Shoe soles, rubber footwear, and performance footwear components.

Certified

This product carries these certifications

FSC™ CoC (FSC™ C151320) ISO 9001 ISO 14001
Supply chain

Full traceability, every batch

Every batch of Block Rubber is traceable through our Synchronised Traceability™ system — from smallholder plantation to your delivery point.

Plantation-level batch identification
Complete NIR test results on every batch
FSC™ CoC chain-of-custody documentation
EUDR geolocation and polygon mapping data
Shipment tracking and Bill of Lading
Request a sample
Get in touch

Ready to source Block Rubber?

Business enquiries
followup@tatwin.com
Address
Tat Win Company Limited
574/1 Moo 5, Pang-La, Sadao
Songkhla 90170, Thailand