| Application | It is an environment-friendly nitrile butadiene rubber in line with the requirements of the European Union. It is used for building, refrigeration system and other thermal insulation foaming, oil-resistant sealing and miscellaneous parts,etc. |
Analysis Item | Quality Iandex | Test Results | Experiment method | |
Superior product | Qualified product | |||
Volatile matter, % (mass fraction) | ≤0.50 | ≤0.70 | 0.18 | GB/T 24131.1-2018 Hot roller method B2 |
Ash content, % (mass fraction) | ≤0.75 | ≤0.75 | 0.65 | GB/T 4498.1-2013 A |
Bound acrylonitrile, % (mass fraction) | 32.5~34.5 | 32.0~35.0 | 33.6 | SH/T 1157.2-2015, Method A |
Mooney viscosity, ML (1+4) 100°C | 75~85 | 75~85 | 81 | GB/T 15340-2008 Over Roll Method GB/T1232.1 |
300% modulus stress (145℃, 50min type 1 sample, speed 500mm/min), MPa | 10.4~14.4 | 10.1~14.7 | 13.4 | 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 | ≥26.4 | ≥25.3 | 28.9 | |
Elongation at break (145°C, 50min Type I sample, speed 500mm/min), % | ≥490 | ≥460 | 546 | |
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| Application | It is an environment-friendly nitrile butadiene rubber in line with the requirements of the European Union. It is used for building, refrigeration system and other thermal insulation foaming, oil-resistant sealing and miscellaneous parts,etc. |
Analysis Item | Quality Iandex | Test Results | Experiment method | |
Superior product | Qualified product | |||
Volatile matter, % (mass fraction) | ≤0.50 | ≤0.70 | 0.18 | GB/T 24131.1-2018 Hot roller method B2 |
Ash content, % (mass fraction) | ≤0.75 | ≤0.75 | 0.65 | GB/T 4498.1-2013 A |
Bound acrylonitrile, % (mass fraction) | 32.5~34.5 | 32.0~35.0 | 33.6 | SH/T 1157.2-2015, Method A |
Mooney viscosity, ML (1+4) 100°C | 75~85 | 75~85 | 81 | GB/T 15340-2008 Over Roll Method GB/T1232.1 |
300% modulus stress (145℃, 50min type 1 sample, speed 500mm/min), MPa | 10.4~14.4 | 10.1~14.7 | 13.4 | 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 | ≥26.4 | ≥25.3 | 28.9 | |
Elongation at break (145°C, 50min Type I sample, speed 500mm/min), % | ≥490 | ≥460 | 546 | |
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