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sales@kunray.com
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Chemical name: Styrene-Butadiene Rubber
Product Specifications
| ITEM | MIN | MAX | TEST METHOD |
Volatile matter content (%, wt) | - | 0.6 | GB/T 24131 |
Ash content (%, wt) | - | 0.4 | GB/T 4498 |
Organic-acid content (%, wt) | 4.50 | 6.75 | GB/T 8657 |
Soap content (%, wt) | - | 0.4 | GB/T 8657 |
| Oil content (%, wt) | - | - | SH/T 1718 |
| Bound styrene content (%, wt) | 22.5 | 24.5 | GB/T 8658 |
| Mooney viscosity raw rubber, ML(1+4)100℃ | 44 | 55 | GB/T 1232 |
| Mooney Viscosity compound rubber, ML(1+4)100℃ | - | 93 | GB/T 1232 |
| Modulus at 300% 145℃, 35min (MPa) | 16.6 | 20.6 | GB/T 8656, GB/T 528 |
| Tensile strength 145℃, 35min (MPa) | 24.5 | - | GB/T 8656, GB/T 528 |
| Elongation at break 145℃, 35min (%) | 350 | - | GB/T 8656, GB/T 528 |
| Appearance | Non-pollution light yellow rubber | Visual | |
Application
It is mainly used in the manufacture of tires, hoses (belt), footwear, water pipe, sports equipment and conveyer belt.
Storage & Logistics
Optimum storage temperature is 10℃~35℃, storage warehouse should keep dry and keep away from sunshine. Storage condition reference GB/T 19188 (ISO 7664, IDT).
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