Raw Material: | Synthetic Rubber |
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Material: | Styrene Butadiene Rubber |
Color: | Black |
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TIANJIN SANZHI PETRO-CHEMICAL CO., LTD. | |||
SBR 1566 | |||
Items | Quality index | Method | |
Appearance | Non-polluting light-colored lump rubber without impurities |
Visual measurement | |
Volatiles,%(mass fraction)≤ |
0.75 | GB/T 24131-2009 Hot roll method A | |
Aah,%≤ |
0.5 | GB/T4498-1997 Method A | |
Organic acids, %(mass fraction) |
5.0-7.25 | GB/T8657-2014 Method A | |
Organic soaps, %(mass fraction) |
0.5 | GB/T8657-2014 Method A | |
Bound styrene, %(mass fraction) |
26.5-28.5 | GB/T 8658-1998 | |
Massed mooney viscosity,ML(1+4)100°C |
52-60 | GB/T1232. 1-2000 Roller method | |
Compound rubber Mooney viscosity, ML(1+4)100°C≤ |
88 | GB/T 8656-1998 Metohod A ASTM IRB No7carbon black ,GB/T1232. 1-2016 |
|
300% Modulus(145°C),MPa (Type I specimen, speed of 500mm/min) |
35min | 15.5-19.5 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter |
Tensile strength (145°C,35min),MPa≥ (Type I specimen, speed of 500mm/min) |
28 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter |
|
Elongation(145°C,35min),%≥ (Type I specimen, speed of 500mm/min) |
400 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter |