发布时间:2025-01-18 20:58:49
这是二种材料,除了表观相同,同样用热熔法施工,其物理力学性能、抗老化性能都有很大区别。正常的SBS卷材是中高档防水卷材,而沥青复合胎柔性防水卷材是低档材料。
1.SBS防水卷材执行标准:GB 18242(2008)《 弹性体改性沥青防水卷材》
2.沥青复合胎柔性卷材执行标准:JCT 690(2008)《 沥青复合胎柔性防水卷材》
3.有时复合胎卷材还指其他几种胶粉改性的卷材。
我在周大金买了1860元的钻戒才戴了7个月钻就掉了找到卖方卖方说只给我算500元我不接受这
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