Styrene Butadiene Rubber composed of emulsion-polymerizing styrene and butadiene in low temperature. It has consistent quality than natural rubber and excellent heat and wear resistance and used manufacturing of Tyres, shoes, and industrial supplies.
| Item | Grade A | Grade B | Test Method | |
|---|---|---|---|---|
| Volatile matter | ≤0.60 | ≤0.80 | GB/T 24131-2009 A | |
| Ash | ≤0.40 | ≤0.40 | GB/T 4498.1-2013 A | |
| Organic Acid | 3.90῀5.70 | 3.65῀5.85 | GB/T 8657-2014 B | |
| Soap | ≤0.50 | ≤0.50 | GB/T 8657-2014 B | |
| Bound Styrene | 22.5῀24.5 | 22.5῀24.5 | GB/T 8658-1998 | |
| Oil | 25.3῀29.3 | 24.3῀30.3 | SH/T 1718-2015 A | |
| Mooney Viscosity ML (1+4) 100C | 44῀54 | 43῀55 | GB/T 1232.1-2016 | |
| Compound Mooney ML (1+4) 100C | ≤70 | ≤70 | GB/T 1232.1-2016 ASTM RB No8 | |
| Modulus 300% (145C, 25min,I 500mm/min), MPA | 7.5῀11.5 | 7.0῀12.0 | GB/T 8656-1998 A ASTM IRB No8 GB/T 528-2009 | |
| Tensile Strength (145C, 35min, I 500mm/min), MPA | ≥19.4 | ≥18.4 | GB/T 8656-1998 A ASTM IRB No8 GB/T 528-2009 | |
| Elongation (145C, 35min, I 500mm/min), % | ≥460 | ≥460 | GB/T 8656-1998 A ASTM IRB No8 GB/T 528-2009 |
Packaging:
In bales with each bale weighing around 35kg and shipped either as loose bales or packed in plywood box.
Safety & Toxicity:
Usually not harmful to human, animals. For further details, please see relevant MSDS./p>