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如何辨別聚氨酯保溫發泡劑的質量好壞?

作者:admin 來源:http://www.elisepatterns.com 時間:2018-05-09
優惠
    如何辨別聚氨酯保溫發泡劑的質量好壞?
 
  1、把聚氨酯發泡劑打在報紙上,打一層,第二天看這層泡沫兩端是否翹起,如翹,明泡沫收縮,翹的越高,收縮越厲害;如兩端不翹起,泡沫良好;
  2、切開泡沫,看泡孔,泡孔均勻細密為良好泡沫,如泡孔很大,并且密度不好則為次品;
  3、看聚氨酯發泡劑的泡沫表面,好的泡沫表面呈溝狀,光滑但光澤不是很亮;差的泡沫表面平整,有褶皺;
  4、看聚氨酯發泡劑發泡的大小,好的泡沫發泡飽滿渾圓;差的泡沫發泡小,并且呈現坍塌;  
  5、 看聚氨酯發泡劑的粘接性,好的泡沫粘接力強,差的則粘接力差 。

    聚氨酯原料|聚氨酯澆注料|聚氨酯噴涂料
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