EVA土工膜是土工膜系列產品之一，EVA即乙烯-醋酸乙烯共聚物，具有良好的撓曲性、柔韌性、彈性、耐候性、耐環境應力開裂性和粘接性能，各項力學指標均高于普通聚乙烯，由于它同時又具有很強的柔韌性，所以在施工中非常方便，焊接效果非常好。 

EVA土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)防(fang)水(shui)(shui)材料(liao)(liao)是由(you)多層共(gong)(gong)擠成(cheng)(cheng)型的(de)(de)薄膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)（防(fang)滲(shen)(shen)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)）與針刺土(tu)工(gong)(gong)(gong)(gong)(gong)織物運用(yong)(yong)熱復(fu)(fu)(fu)合(he)工(gong)(gong)(gong)(gong)(gong)藝復(fu)(fu)(fu)合(he)土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)（一(yi)布一(yi)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)、二布一(yi)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)、二膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)一(yi)布）該產品具有機械強(qiang)(qiang)度高(gao)、耐(nai)(nai)老化、抗穿刺性(xing)(xing)(xing)(xing)強(qiang)(qiang)、摩擦(ca)系數(shu)大、柔(rou)韌、耐(nai)(nai)腐蝕(shi)等(deng)(deng)特(te)(te)(te)點(dian)，同時兼(jian)有質(zhi)輕(qing)、幅寬(kuan)、耐(nai)(nai)低(di)(di)溫(wen)、防(fang)水(shui)(shui)性(xing)(xing)(xing)(xing)好(hao)(hao)、鋪設(she)加工(gong)(gong)(gong)(gong)(gong)容易、焊接(jie)性(xing)(xing)(xing)(xing)好(hao)(hao)等(deng)(deng)優點(dian)。可廣泛用(yong)(yong)于公(gong)路、機場(chang)、鐵路、隧(sui)道(dao)(dao)、水(shui)(shui)利、堤壩、電廠(chang)、建筑等(deng)(deng)工(gong)(gong)(gong)(gong)(gong)程(cheng)。即可起到加固、隔(ge)離、反濾(lv)、過濾(lv)、排水(shui)(shui)等(deng)(deng)作(zuo)用(yong)(yong)，又(you)可延(yan)長工(gong)(gong)(gong)(gong)(gong)程(cheng)壽命、降低(di)(di)工(gong)(gong)(gong)(gong)(gong)程(cheng)維修(xiu)成(cheng)(cheng)本。使用(yong)(yong)該產品施工(gong)(gong)(gong)(gong)(gong)方便、且(qie)易保(bao)證工(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)量(liang)(liang)。PE、EVA土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)是一(yi)種新型的(de)(de)防(fang)水(shui)(shui)材料(liao)(liao)，其(qi)材質(zhi)軟，在聚烯烴類里補中柔(rou)韌性(xing)(xing)(xing)(xing)及耐(nai)(nai)低(di)(di)溫(wen)性(xing)(xing)(xing)(xing)最(zui)優，是PVC防(fang)滲(shen)(shen)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)的(de)(de)替代品。EVA土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)突出的(de)(de)低(di)(di)溫(wen)柔(rou)韌性(xing)(xing)(xing)(xing)特(te)(te)(te)別適(shi)于寒冷地區的(de)(de)施工(gong)(gong)(gong)(gong)(gong)。我公(gong)司可根(gen)據用(yong)(yong)戶的(de)(de)實際(ji)需要生產出不同VA含(han)量(liang)(liang)的(de)(de)EVA土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)，使EVA共(gong)(gong)擠防(fang)滲(shen)(shen)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)的(de)(de)VA%含(han)量(liang)(liang)控(kong)制(zhi)在5%-8%（VA含(han)量(liang)(liang)越高(gao)，彈性(xing)(xing)(xing)(xing)越大，軟化點(dian)越低(di)(di)）是以合(he)成(cheng)(cheng)樹(shu)脂(zhi)（HDPE、LDPE、EVA、ECB）等(deng)(deng)為基料(liao)(liao)，加入抗氧劑、紫外(wai)線吸收劑、色(se)母等(deng)(deng)輔(fu)料(liao)(liao)而制(zhi)成(cheng)(cheng)的(de)(de)防(fang)水(shui)(shui)防(fang)滲(shen)(shen)材料(liao)(liao)。 HDPE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)，其(qi)物理機械性(xing)(xing)(xing)(xing)能(neng)好(hao)(hao)，耐(nai)(nai)老化性(xing)(xing)(xing)(xing)，耐(nai)(nai)化學(xue)腐蝕(shi)性(xing)(xing)(xing)(xing)，耐(nai)(nai)環境(jing)的(de)(de)風化性(xing)(xing)(xing)(xing)、抗戳穿性(xing)(xing)(xing)(xing)等(deng)(deng)綜合(he)特(te)(te)(te)點(dian)。 LDPE、EVA延(yan)伸率(lv)大，低(di)(di)溫(wen)性(xing)(xing)(xing)(xing)能(neng)好(hao)(hao)，柔(rou)軟易施工(gong)(gong)(gong)(gong)(gong)。 ECB土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)由(you)乙烯共(gong)(gong)聚物與石油樹(shu)脂(zhi)混(hun)合(he)而成(cheng)(cheng)，屬檔次更高(gao)的(de)(de)土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)。 主(zhu)(zhu)要用(yong)(yong)途： HDPE主(zhu)(zhu)要使用(yong)(yong)于垃圾掩埋廠(chang)、廢水(shui)(shui)處理廠(chang)等(deng)(deng)防(fang)水(shui)(shui)工(gong)(gong)(gong)(gong)(gong)程(cheng)。 LDPE主(zhu)(zhu)要用(yong)(yong)于隧(sui)道(dao)(dao)復(fu)(fu)(fu)合(he)襯砌、不適(shi)合(he)外(wai)露屋面。 EVA主(zhu)(zhu)要用(yong)(yong)于地鐵工(gong)(gong)(gong)(gong)(gong)程(cheng)、隧(sui)道(dao)(dao)、防(fang)空(kong)洞、擋水(shui)(shui)壩、人(ren)工(gong)(gong)(gong)(gong)(gong)湖(hu)、工(gong)(gong)(gong)(gong)(gong)業防(fang)水(shui)(shui)等(deng)(deng)工(gong)(gong)(gong)(gong)(gong)程(cheng)。 ECB主(zhu)(zhu)要用(yong)(yong)于地鐵、道(dao)(dao)路、水(shui)(shui)壩、隧(sui)道(dao)(dao)、土(tu)木工(gong)(gong)(gong)(gong)(gong)程(cheng)的(de)(de)防(fang)水(shui)(shui)等(deng)(deng)。 HDPE、LDPE前者是高(gao)密度的(de)(de)，后者是低(di)(di)密度的(de)(de)聚乙烯復(fu)(fu)(fu)合(he)土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)，PE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)，EVA土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)，加筋土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)，復(fu)(fu)(fu)合(he)土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)(mo)(mo)(mo)(mo)。 特(te)(te)(te)點(dian)： 1.幅寬(kuan)、厚度規格齊全（厚度0.2-4mm；寬(kuan)度2.5-8m）。 2.柔(rou)軟性(xing)(xing)(xing)(xing)、強(qiang)(qiang)韌性(xing)(xing)(xing)(xing)高(gao)。 3.透明(ming)度高(gao)。 4.優良的(de)(de)耐(nai)(nai)環境(jing)應(ying)力開裂性(xing)(xing)(xing)(xing)。 5.適(shi)應(ying)溫(wen)度范(fan)圍大。 6.鋪設(she)施工(gong)(gong)(gong)(gong)(gong)方便。 7.適(shi)用(yong)(yong)于地鐵、隧(sui)道(dao)(dao)等(deng)(deng)地下工(gong)(gong)(gong)(gong)(gong)程(cheng)的(de)(de)復(fu)(fu)(fu)雜(za)地形