爱普生压电喷头行业资讯
2024-05-03石棉密封填料 性能指标
| 项 目 | 牌 号 | ||||||||
| XS 550 A | XS 550 B | XS 450 A | XS 450 B | XS 350 A | XS 350 B | XS 250 A | XS 250 B | ||
| 体积密度g/cm2 | 夹金属丝 | ≥1.1 | |||||||
| 无金属丝 | ≥0.9 | ||||||||
| 烧失量/% | ≤24 | ≤27 | ≤32 | ≤40 | |||||
| 所用石棉布/线的烧失量/% | ≤19 | ≤21 | ≤24 | ≤32 | |||||
| 耐温失量% | 夹金属丝 | ≤10 | / | ≤15 | / | ≤15 | ≤20 | ≤20 | ≤22 |
| 无金属丝 | / | / | / | / | ≤17 | ≤20 | ≤20 | ≤22 | |
| 压缩率/% | 20~45 | ||||||||
| 回弹率/% | ≥30 | ||||||||
| 摩擦系数 | ≤0.50 | ||||||||
| 磨损量/g | ≤0.30 | ||||||||
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