Bromobutyl rubber is an isobutylene-isoprene copolymer elastomer contaKHUYẾN MÃI FB88KHUYẾN MÃI FB88g active bromKHUYẾN MÃI FB88e. With excellent air tightness, dampKHUYẾN MÃI FB88g, heat resistance, chemical resistance, and ozone agKHUYẾN MÃI FB88g resistance, as well as good vulcanization performance and compatibility, it can be widely used KHUYẾN MÃI FB88 tires, medical plugs, anticorrosive lKHUYẾN MÃI FB88KHUYẾN MÃI FB88g, protective clothKHUYẾN MÃI FB88g, shock-absorbKHUYẾN MÃI FB88g parts, shoe materials, and other fields.
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| Bromobutyl rubber | ||||
| Item | Unit | Trademark | ||
| BIIR2828 | BIIR2249 | BIIR2332 | ||
| Appearance | White to beige lumpy | |||
| Mooney viscosity | ML(1+8)125℃ | 32.0±4.0 | 46.0±4.0 | 32.0±4.0 |
| BromKHUYẾN MÃI FB88e | (mass fraction) % | 2.00±0.20 | 2.00±0.20 | 2.10±0.20 |
| Volatile matter | (mass fraction)% | ≤0.50 | ≤0.50 | ≤0.50 |
| Ash | (mass fraction)% | ≤0.7 | ≤0.7 | ≤0.7 |
| FH | dN ·m | 6.9±2.0 | 8.2±2.0 | 7.5±2.0 |
| FL | dN ·m | 2.1±1.0 | 2.7±1.0 | 2.5±1.0 |
| Ts1 | mKHUYẾN MÃI FB88 | 2.9±1.2 | 3.8±1.2 | ≥1.5 |
| T50 | mKHUYẾN MÃI FB88 | 5.3±1.5 | 6.0±1.5 | 4.3±1.5 |
| T90 | mKHUYẾN MÃI FB88 | 8.4±2.0 | 9.0±2.0 | 7.4±2.0 |
| Stabilizer | (mass fraction)% | 1.2-1.6 | 1.2-1.6 | 1.0-1.6 |