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矿渣棉与岩棉在物理性能方面有什么区别

字体: 小 中 大 | 打印 发表于: 2008-1-24 22:51    作者: caoyuanzhiyin    来源: 红樱桃化学化工网

由于矿渣棉的酸度系数较低，也即所含的碱性氧化物较多，如果矿渣棉的化学成分选择不当，当矿渣棉熔体在成纤进受到争剧冷却后，容易在矿渣棉中形成具有一定水硬活性的硅酸二钙，对矿渣棉的物理性能产生不良影响：
由于（1）降低矿渣棉在潮湿环境中的稳定性的耐水性；
由于（2）降低矿渣棉在500 ~ 600℃温度区间的体积稳定性。
由于而岩棉中因不存在硅酸二钙，耐水性和高温体积稳定性比矿渣棉好。