3PE防(fang)(fang)(fang)腐(fu)(fu)(fu)鋼管(guan)(guan)對防(fang)(fang)(fang)腐(fu)(fu)(fu)蝕(shi)涂(tu)層的(de)(de)(de)(de)要(yao)求具(ju)有良好的(de)(de)(de)(de)抗土壤、水(shui)、霉菌的(de)(de)(de)(de)腐(fu)(fu)(fu)蝕(shi)和施(shi)工(gong)性(xing)能(neng)．有良好的(de)(de)(de)(de)電絕緣性(xing)．與陰極(ji)保(bao)護聯(lian)合(he)使(shi)用(yong)時(shi)防(fang)(fang)(fang)腐(fu)(fu)(fu)涂(tu)層應(ying)具(ju)有一(yi)(yi)(yi)定的(de)(de)(de)(de)耐陰極(ji)剝離強度的(de)(de)(de)(de)能(neng)力(li)．有足夠(gou)的(de)(de)(de)(de)機械強度．以(yi)確(que)保(bao)涂(tu)層在(zai)(zai)(zai)搬運和土壤壓力(li)作用(yong)下無損(sun)傷。用(yong)涂(tu)料(liao)(liao)均勻致密地涂(tu)敷在(zai)(zai)(zai)經除銹的(de)(de)(de)(de)防(fang)(fang)(fang)腐(fu)(fu)(fu)鋼管(guan)(guan)表面上(shang)，使(shi)其(qi)(qi)與各種(zhong)(zhong)(zhong)(zhong)腐(fu)(fu)(fu)蝕(shi)性(xing)介(jie)質(zhi)(zhi)隔絕，是防(fang)(fang)(fang)腐(fu)(fu)(fu)鋼管(guan)(guan)基(ji)本的(de)(de)(de)(de)方法(fa)之(zhi)一(yi)(yi)(yi)。3pe防(fang)(fang)(fang)腐(fu)(fu)(fu)鋼管(guan)(guan)是在(zai)(zai)(zai)不同的(de)(de)(de)(de)工(gong)作環境中使(shi)用(yong)，為(wei)減緩或(huo)防(fang)(fang)(fang)止管(guan)(guan)道(dao)(dao)在(zai)(zai)(zai)外(wai)介(jie)質(zhi)(zhi)的(de)(de)(de)(de)化(hua)(hua)學、電化(hua)(hua)學作用(yong)下或(huo)由微生物的(de)(de)(de)(de)代(dai)謝活動而被(bei)侵蝕(shi)和變(bian)質(zhi)(zhi)在(zai)(zai)(zai)其(qi)(qi)外(wai)壁上(shang)涂(tu)2層或(huo)3層聚乙烯（3PE）以(yi)達到管(guan)(guan)道(dao)(dao)防(fang)(fang)(fang)腐(fu)(fu)(fu)，可以(yi)使(shi)3PE防(fang)(fang)(fang)腐(fu)(fu)(fu)管(guan)(guan)的(de)(de)(de)(de)壽命延長3-5倍(bei)。3PE防(fang)(fang)(fang)腐(fu)(fu)(fu)鋼管(guan)(guan)具(ju)備容重輕(qing)、強度高、絕熱(re)、隔音、阻燃(ran)、耐寒、防(fang)(fang)(fang)腐(fu)(fu)(fu)、不吸(xi)水(shui)、施(shi)工(gong)繁縟疾速等(deng)(deng)優越(yue)(yue)個性(xing)，已成(cheng)為(wei)建筑、運輸(shu)(shu)、煤油(you)(you)、化(hua)(hua)工(gong)、電力(li)、冷(leng)(leng)藏(zang)等(deng)(deng)產(chan)業全數絕熱(re)防(fang)(fang)(fang)腐(fu)(fu)(fu)、防(fang)(fang)(fang)水(shui)堵漏(lou)、密封(feng)等(deng)(deng)＊的(de)(de)(de)(de)資(zi)料(liao)(liao)。3PE防(fang)(fang)(fang)腐(fu)(fu)(fu)鋼管(guan)(guan)用(yong)于(yu)室表里(li)種(zhong)(zhong)(zhong)(zhong)種(zhong)(zhong)(zhong)(zhong)管(guan)(guan)道(dao)(dao)，鳩合(he)供(gong)熱(re)管(guan)(guan)道(dao)(dao)，地方空(kong)調管(guan)(guan)道(dao)(dao)、化(hua)(hua)工(gong)、等(deng)(deng)產(chan)業管(guan)(guan)道(dao)(dao)的(de)(de)(de)(de)防(fang)(fang)(fang)腐(fu)(fu)(fu)、保(bao)冷(leng)(leng)工(gong)程。概述3PE發(fa)(fa)泡(pao)防(fang)(fang)(fang)腐(fu)(fu)(fu)管(guan)(guan)自三十年代(dai)3PE分(fen)解資(zi)料(liao)(liao)降(jiang)生以(yi)來(lai)，一(yi)(yi)(yi)直(zhi)作為(wei)一(yi)(yi)(yi)種(zhong)(zhong)(zhong)(zhong)優越(yue)(yue)的(de)(de)(de)(de)絕熱(re)防(fang)(fang)(fang)腐(fu)(fu)(fu)資(zi)料(liao)(liao)而得到麻利發(fa)(fa)展，其(qi)(qi)利用(yong)范疇(chou)也愈來(lai)愈普遍(bian)，更因為(wei)其(qi)(qi)施(shi)工(gong)繁縟、節能(neng)防(fang)(fang)(fang)腐(fu)(fu)(fu)分(fen)明(ming)而被(bei)多量(liang)地用(yong)于(yu)種(zhong)(zhong)(zhong)(zhong)種(zhong)(zhong)(zhong)(zhong)供(gong)熱(re)、制冷(leng)(leng)、輸(shu)(shu)油(you)(you)、輸(shu)(shu)汽(qi)等(deng)(deng)種(zhong)(zhong)(zhong)(zhong)種(zhong)(zhong)(zhong)(zhong)管(guan)(guan)道(dao)(dao)。多量(liang)地用(yong)于(yu)種(zhong)(zhong)(zhong)(zhong)種(zhong)(zhong)(zhong)(zhong)供(gong)熱(re)、制冷(leng)(leng)、輸(shu)(shu)油(you)(you)、輸(shu)(shu)汽(qi)等(deng)(deng)種(zhong)(zhong)(zhong)(zhong)種(zhong)(zhong)(zhong)(zhong)管(guan)(guan)道(dao)(dao)，都是采用(yong)外(wai)壁三層PE防(fang)(fang)(fang)腐(fu)(fu)(fu)！可以(yi)說(shuo)3PE防(fang)(fang)(fang)腐(fu)(fu)(fu)鋼管(guan)(guan)在(zai)(zai)(zai)當前的(de)(de)(de)(de)建設中是＊的(de)(de)(de)(de)。通過科技的(de)(de)(de)(de)延伸，未來(lai)其(qi)(qi)還是有更加(jia)輝(hui)煌的(de)(de)(de)(de)成(cheng)績。