Raw Material: | Synthetic Rubber |
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Material: | Styrene Butadiene Rubber |
Form: | The Massive Raw Rubber |
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TIANJIN SANZHI PETRO-CHEMICAL CO., LTD. | |||
SBR 1502 | |||
Items | Quality index | Method | |
Appearance | Non-polluting light-colored lump rubber without impurities | Visual measurement | |
Volatiles,%(mass fraction)≤ |
0.6 | GB6737-1997 | |
Aah,%≤ |
0.5 | GB/T4498-1997 | |
Organic acids, %(mass fraction) |
4.50-6.75 | GB/T8657-2000 | |
Organic soaps, %(mass fraction) |
0.5 | GB/T8657-2000 | |
Bound styrene, %(mass fraction) |
22.5-24.5 | GB/T 8658-1998 | |
Massed mooney viscosity,ML(1+4)100°C |
45-55 | GB/T1232. 1-2000 | |
Compound rubber Mooney viscosity, ML(1+4)100°C≤ |
93 | GB/T1232. 1-2000 | |
300% Modulus(145°C),MPa |
25min | M±2.0 | GB/T8656-1998GB/T528-1998 |
35min | 20.6±2.0 | GB/T8656-1998GB/T528-1998 | |
50min | 21.5±2.0 | GB/T8656-1998GB/T528-1998 | |
Tensile strength (145°C,35min),MPa≥ |
25.5 | GB/T8656-1998GB/T528-1998 | |
Elongation(145°C,35min),%≥ |
340 | GB/T8656-1998GB/T528-1998 |