| Application | It's used for hose middle rubber, inner rubber, textile rubber, printing roller, Solon, building insulation and cooling system block moisturizing foam material, escape sole and labour protection appliance bottom, oil Inami,oil seals, rubber parts, etc |
Analysis Item | Quality Iandex | Test Results | Experiment method | |
Superior product | Qualified product | |||
Volatile matter, % (mass fraction) | ≤0.50 | ≤0.70 | 0.14 | GB/T 24131.1-2018 Hot roller method B2 |
Ash content, % (mass fraction) | ≤0.75 | ≤0.75 | 0.60 | GB/T 4498.1-2013 A |
Bound acrylonitrile, % (mass fraction) | 28.0~30.0 | 27.0~31.0 | 29.2 | SH/T 1157.2-2015, Method A |
Mooney viscosity, ML (1+4) 100°C | 72~82 | 72~82 | 77 | GB/T 15340-2008 Over Roll Method GB/T1232.1 |
300% modulus stress (145℃, 50min type 1 sample, speed 500mm/min), MPa | 10.7~14.1 | 10.4~14.4 | 12.8 | GB/T 34685-2017 ASTM IRB No 8 carbon black GB/T 528-2009 Type I cutter |
Tensile strength (145°C, 50min type I sample, speed 500mm/min), MPa | ≥24.9 | ≥24.0 | 28.0 | |
Elongation at break (145°C, 50min Type I sample, speed 500mm/min), % | ≥460 | ≥435 | 535 | |
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| Application | It's used for hose middle rubber, inner rubber, textile rubber, printing roller, Solon, building insulation and cooling system block moisturizing foam material, escape sole and labour protection appliance bottom, oil Inami,oil seals, rubber parts, etc |
Analysis Item | Quality Iandex | Test Results | Experiment method | |
Superior product | Qualified product | |||
Volatile matter, % (mass fraction) | ≤0.50 | ≤0.70 | 0.14 | GB/T 24131.1-2018 Hot roller method B2 |
Ash content, % (mass fraction) | ≤0.75 | ≤0.75 | 0.60 | GB/T 4498.1-2013 A |
Bound acrylonitrile, % (mass fraction) | 28.0~30.0 | 27.0~31.0 | 29.2 | SH/T 1157.2-2015, Method A |
Mooney viscosity, ML (1+4) 100°C | 72~82 | 72~82 | 77 | GB/T 15340-2008 Over Roll Method GB/T1232.1 |
300% modulus stress (145℃, 50min type 1 sample, speed 500mm/min), MPa | 10.7~14.1 | 10.4~14.4 | 12.8 | GB/T 34685-2017 ASTM IRB No 8 carbon black GB/T 528-2009 Type I cutter |
Tensile strength (145°C, 50min type I sample, speed 500mm/min), MPa | ≥24.9 | ≥24.0 | 28.0 | |
Elongation at break (145°C, 50min Type I sample, speed 500mm/min), % | ≥460 | ≥435 | 535 | |
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