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首頁 > 公司新聞 > 中性膠固化后表面起皺的原因是什么?
公司新聞
中性膠固化后表面起皺的原因是什么?
2013-01-29IP屬地 火星410
答:一般有幾種原因:

  一、基材的膨脹系數較大;

  二、有位移或振動;

  三、有些國產膠本身太稀,膠內填充料少而加多了增塑劑(白油),膠在固化過程中增塑劑(白油)有一定程度的揮發就使得膠的體積變小,因而膠會收縮起皺;四、若施膠太薄固化后也容易收縮起皺,加厚施膠的厚度可以減少此現象的發生(建議施膠2mm以上)。

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