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当前 ,一些新兴的单组分室温湿气固化型聚氨酯密封胶—ＰＵ密封胶 ,受到了越来越多用户的喜爱。该产品主要具有以下几方面优点 :(1)这种材料属于溶剂型 ,固体含量很高 ,因而在施工时不会出现收缩。同时 ,良好的弹性密封 ,使其断裂伸长率可以达到 4 0 0 %以上 ,弹性恢复率和耐接
At present, some emerging one-component room temperature moisture-curable polyurethane sealant-PU sealant, by more and more users. The product has the following main advantages: (1) This material is solvent-based, high solids content, so there will be no contraction during construction. At the same time, a good elastic seal, so that the elongation at break can reach more than 400%, elastic recovery and resistance