管道保溫管的(de)(de)保溫(wen)層(ceng)材(cai)料為密度60kg/m3至80kg/m3的(de)(de)硬(ying)質(zhi)聚(ju)氨酯泡沫，充分添滿玻(bo)璃(li)鋼(gang)管(guan)(guan)(guan)與(yu)套管(guan)(guan)(guan)之(zhi)間(jian)的(de)(de)間(jian)隙。并具有一定的(de)(de)粘接強度，使(shi)玻(bo)璃(li)鋼(gang)管(guan)(guan)(guan)、外套管(guan)(guan)(guan)及保溫(wen)層(ceng)三(san)者之(zhi)間(jian)形(xing)成一個牢固的(de)(de)整(zheng)體。先進的(de)(de)工(gong)藝使(shi)得(de)管(guan)(guan)(guan)道保溫(wen)管(guan)(guan)(guan)具有良好的(de)(de)機(ji)械性(xing)能和(he)絕熱性(xing)能，通常情況下可耐水溫(wen)120℃以(yi)上。管(guan)(guan)(guan)道保溫(wen)管(guan)(guan)(guan)被(bei)廣泛應(ying)用(yong)于溫(wen)泉水輸(shu)送管(guan)(guan)(guan)、油田地(di)熱流體輸(shu)送管(guan)(guan)(guan)、城(cheng)市及工(gong)廠供(gong)熱系統的(de)(de)架(jia)空和(he)埋地(di)管(guan)(guan)(guan)道系統。