多布(bu)多膜(mo)復合(he)土工(gong)(gong)(gong)膜(mo)是(shi)用(yong)土工(gong)(gong)(gong)織物與土工(gong)(gong)(gong)膜(mo)復合(he)而成的(de)不透(tou)水(shui)材料，它主要(yao)用(yong)于防滲，復合(he)土工(gong)(gong)(gong)膜(mo)分(fen)(fen)為(wei)一(yi)布(bu)一(yi)膜(mo)和兩布(bu)一(yi)膜(mo)、多布(bu)多膜(mo)，寬幅4-6m，重量(liang)為(wei)200-1500g/m2，抗(kang)(kang)拉、抗(kang)(kang)撕裂(lie)、頂破等(deng)(deng)物理力(li)學性能指標高，能滿(man)足水(shui)利、市政、建(jian)筑、交通、地(di)鐵、隧道等(deng)(deng)土木工(gong)(gong)(gong)程需要(yao)。由于其選用(yong)高分(fen)(fen)子材料且生產工(gong)(gong)(gong)藝(yi)中添加了(le)防老(lao)化(hua)劑，故可在(zai)非(fei)常規溫度環境中使用(yong)。