=0.8mm厚的土工膜叫防水板,=14 =16 =16 =17 =25 4 斷裂伸長(zhǎng)率(縱橫)% =400 =700 =550 =450 =550 5 直角撕裂強(qiáng)度N/mm =50 =60 =60 =80 =110 6 水蒸氣滲透系數(shù)g.cm/c㎡.s.pa 1.0*10 1.0*10 1.0*10 7 使用溫度范圍 +70℃﹋-70℃ +70℃﹋-70℃ +70℃﹋-70℃ ..">