Sbs i gk pe4是什么样的防水卷材 如何解释 sbs的全称为弹性体改性沥青防水卷材，i代表型号，gk是卷材胎基为聚酯胎基，pe4代表卷材为双面pe膜4mm厚。 防水卷材是. Sbs ⅰ py pe pe 3 10 简化时可写成：sbs ⅰ py pe pe 3 。 扩展资料：sbs防水卷材的施工要点：1、基面处理：要求干燥（含水率8%）、干净、坚实、平整、无尘土、无.
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