玻璃棉的作用是什么

發(fā)布時(shí)間：2021-12-30 15:14:35 人氣：

玻璃棉屬于玻璃纖維中的一個(gè)類(lèi)別，是一種人造無(wú)機纖維。采用石英砂、石灰石、白云石等天然礦石為主要原料，配合一些純堿、硼砂等化工原料熔成玻璃。在融化狀態(tài)下，借助外力吹制式甩成絮狀細纖維，纖維和纖維之間為立體交叉，互相纏繞在一起，呈現出許多細小的間隙。這種間隙可看作孔隙。因此，玻璃棉可視為多孔材料，具有良好的絕熱、吸聲性能。

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