Цилиндрические высокопрочные удерживающие фторсиликон, пользовательские автомобильные резиновые детали
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| FreChem FKM raw gum Copolymer | ||||||
| Technical indexes | ||||||
| Items | C20 | C30 | C40 | C50 | C70 | C120 |
| Appearance | White or light-yellow sheet, no visible impurities | |||||
| Density (g/cm3) 23 °C | 1.82+0.02 | 1.82+0.02 | 1.82+0.02 | 1.82+0.02 | 1.82+0.02 | 1.82+0.02 |
| Mooney viscosity(ML(1+10)121°C) | 25+5 | 35+5 | 45+5 | 45+5 | 75+5 | 120-140 |
| Tensile strength after press cure(MPa) 1770C,10min≥ | 8 | 8 | 9 | 9 | 9 | 9 |
| Tensile strength after post cure(Mpa) 2300C,24H≥ | 10 | 10 | 11 | 13 | 11 | 12 |
| Elongation at break after press cure ( Mpa) 1770C,10min≥ | 180 | 180 | 180 | 180 | 180 | 180 |
| Elongation at break after post cure ( Mpa) 2300C,24H≥ | 160 | 160 | 160 | 160 | 160 | 160 |
| 200°C 70H Compressibility20% Compression set (%)≤ | 20 | 20 | 20 | 20 | 20 | 12 |
| 200℃,in No.3 jet fuel, weight increase after 24H (%)≤ | 5 | 5 | 5 | 5 | 5 | 5 |
| Water content (%)≤ | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.1 |
| Rubber compounds recipe: | FKM: 100g | AF: 2.0g | BBP:0.5g | MgO:3.0g | Ca(OH)2:6.0g | |
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