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耐火浇注料上面为什么要刷沥青？有什么作用呢？

2025-04-05 09:21:47

推荐回答（1个）

回答1：

耐火浇注料施工前在销钉及受压面涂抹沥青的主要原因，是由于金属材料的膨胀系数远高于耐火浇注料的膨胀系数，若无相应的技术措施会造成二者之间的膨胀差损坏浇注料，因此施工前需要在销钉及受压件上涂抹沥青预留膨胀空间。而刷沥青能够更准确的保证耐火浇注料在施工的时候能够不被一些权限所限制。

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