黑黃夾克保溫鋼管

2017.11.20

黃(huang)(huang)夾(jia)(jia)克(ke)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)管(guan)(guan)原(yuan)材主要包(bao)括有縫鋼管(guan)(guan)和無縫鋼管(guan)(guan)。黃(huang)(huang)夾(jia)(jia)克(ke)聚(ju)(ju)氨(an)(an)酯(zhi)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)鋼管(guan)(guan)常用的保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)材料(liao)(liao)是硬質(zhi)聚(ju)(ju)氨(an)(an)脂泡(pao)沫塑料(liao)(liao)，適用溫(wen)(wen)(wen)度(du)為(wei)(wei)－185～120℃。這種材料(liao)(liao)質(zhi)地松軟，為(wei)(wei)提(ti)高(gao)其強(qiang)度(du)，在隔熱層(ceng)(ceng)外(wai)面加敷一(yi)層(ceng)(ceng)高(gao)密(mi)度(du)聚(ju)(ju)乙烯(xi)層(ceng)(ceng)，形成(cheng)復合(he)材料(liao)(liao)結構(gou)，以防止地下水(shui)滲入(ru)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)層(ceng)(ceng)內。黃(huang)(huang)夾(jia)(jia)克(ke)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)管(guan)(guan)結構(gou)主要包(bao)括工作(zuo)鋼管(guan)(guan)層(ceng)(ceng)，聚(ju)(ju)氨(an)(an)酯(zhi)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)層(ceng)(ceng)和高(gao)密(mi)度(du)聚(ju)(ju)乙烯(xi)保(bao)(bao)(bao)(bao)護層(ceng)(ceng)。其中最外(wai)面的一(yi)層(ceng)(ceng)由預制成(cheng)一(yi)定(ding)壁厚的黑色(se)或黃(huang)(huang)色(se)聚(ju)(ju)乙烯(xi)塑料(liao)(liao)材料(liao)(liao)覆蓋。黑色(se)的稱之為(wei)(wei)黑夾(jia)(jia)克(ke)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)管(guan)(guan)，黃(huang)(huang)色(se)的稱之為(wei)(wei)黃(huang)(huang)夾(jia)(jia)克(ke)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)管(guan)(guan)。其作(zuo)用一(yi)是保(bao)(bao)(bao)(bao)護聚(ju)(ju)氨(an)(an)酯(zhi)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)層(ceng)(ceng)免遭機械硬物破壞，二是防腐、防水(shui)。高(gao)密(mi)度(du)聚(ju)(ju)乙烯(xi)聚(ju)(ju)氨(an)(an)酯(zhi)發泡(pao)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)鋼管(guan)(guan)執行：SY/T114-2000和SY/T115-2001標準

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