
Origin: Thailand
Product Description
Block rubber (Technically Specified Rubber) is produced from field coagulum and cup lump, cleaned, blended, crumb-dried and pressed into standard bales. STR20 is the workhorse grade for tires and industrial rubber products; STR5L is a light-colored grade for applications where appearance matters.
- Grades: STR 5L · STR 10 · STR 20 (other grades on request)
- Packaging: bales 33.33 kg (35 kg on request), PE-wrapped, strapped in approx. 1.11 MT bundles
- Loading: approx. 20–21 MT per 20ft FCL (subject to shipping line weight limit)
- MOQ: 1 × 20ft container (trial quantities negotiable)
- Incoterms: EXW / FOB / CFR / CIF
Typical Specification — STR 20
| Dirt content | 0.16% max |
|---|---|
| Ash content | 1.00% max |
| Volatile matter | 0.80% max |
| Nitrogen content | 0.60% max |
| Mooney viscosity ML(1+4) 100°C | 60 ± 10 (typical) |
| Initial plasticity (Po) | 30 min (typical) |
Values shown are typical trade specifications. Final guaranteed values per grade are stated in our offer sheet and confirmed by the Certificate of Analysis (COA) of each shipment. STR 5L: light color, dirt 0.05% max.
Applications
- Tire and retreading industry
- Automotive rubber parts and bushings
- Conveyor belts, hoses and molded goods
- Footwear soles and technical compounds
Documents Provided
- Commercial Invoice & Packing List
- Bill of Lading (B/L)
- Certificate of Origin (COO)
- Certificate of Analysis (COA)
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