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采用丁基橡胶、再生丁基橡胶和废ＰＥ膜改性沥青，可以制得具有优良低温柔性（－３０℃）的防水卷材。讨论了影响产品性能的配比、共混工艺等有关因素。
Using butyl rubber, recycled butyl rubber and waste PE film modified asphalt, can be made with excellent low temperature flexibility (-30 ℃) waterproofing membrane. Discussed the impact of product performance ratio, blending process and other related factors.