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  1、導熱系數小：

   聚氨酯泡沫的導熱系數在保溫材料中是最低的，因此能使物料的熱損失減少到最低限度。
   2、防水、防腐、耐老:
   由于聚氨酯泡沫的閉孔率達92%以上,因此,用聚氨酯泡沫作為直埋管道的保溫層,不僅可以起保溫隔熱作用，而且能有效地防止水，濕氣以及其它多種腐蝕性液體、氣體的浸透，防止微生物的滋生和發展。聚氨酯保溫管以其優良的性能，方便的施工及使用年限長而倍受人們歡迎。
   聚氨酯發泡保溫管產品介紹如下；聚氨酯發泡保溫管主要優點：保溫性能好，熱損失少，為傳統管材的25%，長期使用可節約大量能源。施工方便，綜合造價低，具有優良的耐腐蝕性、耐沖擊性。
  成(cheng)(cheng)本高(gao)企(qi)推廣不(bu)暢盡管聚(ju)氨(an)酯(zhi)直埋(mai)保(bao)(bao)溫管系(xi)統具有科技含量高(gao)、資源消耗低(di)、使(shi)用壽(shou)命長、環境污染少(shao)的(de)優(you)勢，但(dan)是由于(yu)使(shi)用聚(ju)氨(an)酯(zhi)硬(ying)泡(pao)(pao)(pao)的(de)成(cheng)(cheng)本是使(shi)用聚(ju)苯板材料的(de)兩倍，大(da)部分開發商(shang)仍(reng)然對聚(ju)氨(an)酯(zhi)硬(ying)泡(pao)(pao)(pao)外墻保(bao)(bao)溫系(xi)統說(shuo)“不(bu)”。“現在聚(ju)氨(an)酯(zhi)硬(ying)泡(pao)(pao)(pao)的(de)使(shi)用在外墻保(bao)(bao)溫系(xi)統中只(zhi)占不(bu)到(dao)10%的(de)份(fen)額。目前，只(zhi)有幾家(jia)注重(zhong)品牌(pai)建設(she)的(de)大(da)型房地(di)產開發企(qi)業(ye)積極采用聚(ju)氨(an)酯(zhi)硬(ying)泡(pao)(pao)(pao)保(bao)(bao)溫管；

         直(zhi)埋(mai)(mai)(mai)供(gong)熱(re)(re)管(guan)(guan)(guan)(guan)(guan)道(dao)不需(xu)(xu)要砌(qi)(qi)筑龐(pang)大的(de)(de)(de)地(di)溝，只需(xu)(xu)將保(bao)(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)埋(mai)(mai)(mai)人地(di)下，因此大大減少(shao)了工(gong)(gong)程占(zhan)地(di)，減少(shao)土(tu)方開挖量(liang)約(yue)50%以(yi)(yi)上，減少(shao)土(tu)建砌(qi)(qi)筑和(he)混(hun)凝土(tu)量(liang)90%。同時，保(bao)(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)加工(gong)(gong)和(he)現(xian)場挖溝平行(xing)進(jin)行(xing)，只需(xu)(xu)現(xian)場接頭，可以(yi)(yi)縮短工(gong)(gong)期約(yue)50%以(yi)(yi)上,預制直(zhi)埋(mai)(mai)(mai)保(bao)(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)廣泛(fan)用于液體(ti)、氣體(ti)的(de)(de)(de)輸(shu)送(song)管(guan)(guan)(guan)(guan)(guan)網(wang)，化(hua)工(gong)(gong)管(guan)(guan)(guan)(guan)(guan)道(dao)保(bao)(bao)(bao)溫(wen)(wen)工(gong)(gong)程石油(you)、化(hua)工(gong)(gong)、集中(zhong)供(gong)熱(re)(re)熱(re)(re)網(wang)、中(zhong)央空(kong)調通(tong)風管(guan)(guan)(guan)(guan)(guan)道(dao)、市政(zheng)工(gong)(gong)程等。直(zhi)埋(mai)(mai)(mai)保(bao)(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)是一種保(bao)(bao)(bao)溫(wen)(wen)性(xing)能(neng)好，加安(an)全(quan)可靠，工(gong)(gong)程造價低(di)的(de)(de)(de)直(zhi)埋(mai)(mai)(mai)預制保(bao)(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)。有(you)(you)效(xiao)(xiao)的(de)(de)(de)解(jie)決了城鎮集中(zhong)供(gong)熱(re)(re)中(zhong)130℃－600℃高溫(wen)(wen)輸(shu)熱(re)(re)用預制直(zhi)埋(mai)(mai)(mai)保(bao)(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)保(bao)(bao)(bao)溫(wen)(wen)、滑(hua)動潤(run)滑(hua)和(he)裸露管(guan)(guan)(guan)(guan)(guan)端的(de)(de)(de)防(fang)水問題。直(zhi)埋(mai)(mai)(mai)保(bao)(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)不僅具(ju)有(you)(you)傳統地(di)溝和(he)架空(kong)敷(fu)設管(guan)(guan)(guan)(guan)(guan)道(dao)難以(yi)(yi)比擬的(de)(de)(de)先進(jin)技(ji)術、實用性(xing)能(neng)，而且(qie)還具(ju)有(you)(you)顯著(zhu)的(de)(de)(de)社會效(xiao)(xiao)益和(he)經濟效(xiao)(xiao)益，也是供(gong)熱(re)(re)節能(neng)的(de)(de)(de)有(you)(you)力措施。預制直(zhi)埋(mai)(mai)(mai)保(bao)(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)采用直(zhi)埋(mai)(mai)(mai)供(gong)熱(re)(re)管(guan)(guan)(guan)(guan)(guan)道(dao)技(ji)術，標志(zhi)著(zhu)中(zhong)國供(gong)熱(re)(re)聚(ju)氨酯(zhi)保(bao)(bao)(bao)溫(wen)(wen)管(guan)(guan)(guan)(guan)(guan)技(ji)術發展已經進(jin)入了新的(de)(de)(de)起(qi)點。

                  

      建筑(zhu)業(ye)(ye)(ye)用(yong)聚氨(an)酯(zhi)(zhi)硬(ying)泡體保(bao)溫(wen)(wen)材料是聚氨(an)酯(zhi)(zhi)工(gong)業(ye)(ye)(ye)的(de)一(yi)個重要分支，其特點是一(yi)材多用(yong)，同(tong)時具(ju)備保(bao)溫(wen)(wen)、防水等功能。該類產(chan)品自20世紀60年(nian)代(dai)在歐洲建筑(zhu)業(ye)(ye)(ye)應用(yong)以來(lai)已有40年(nian)歷(li)史，一(yi)些國(guo)家還(huan)通過立(li)法把聚氨(an)酯(zhi)(zhi)作為建筑(zhu)業(ye)(ye)(ye)指(zhi)定的(de)保(bao)溫(wen)(wen)防水用(yong)材。近年(nian)來(lai)，隨著我(wo)國(guo)建筑(zhu)節(jie)能市場的(de)迅速(su)發展，聚氨(an)酯(zhi)(zhi)硬(ying)泡體保(bao)溫(wen)(wen)產(chan)品在建筑(zhu)保(bao)溫(wen)(wen)防水領域得到了廣泛的(de)應用(yong)，已成為主導市場的(de)保(bao)溫(wen)(wen)節(jie)能產(chan)品之一(yi)。