聚氨酯保温钢管,聚氨酯发泡保温钢管,沧州保温钢管

 <*n style="font-size:18.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">元旦来临<*n style="font-size:18.0pt"> <*n style="font-size:18.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">厂家促销<*n style="font-size:18.0pt"> <*n style="font-size:18.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">沧州诚源管业有限公司给大家拜个早年<*n lang="EN-US" style="font-size:9.0pt">  <*n style="font-size:9.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">沧州诚源管业有限公司供应<*n lang="EN-US" style="font-size:9.0pt">3PE<*n lang="EN-US" style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman""><*n lang="EN-US">防腐钢管<*n style="text-indent: 2em; font-family: 宋体;">管道三层<*n lang="EN-US" style="text-indent: 2em;">PE<*n style="text-indent: 2em; font-family: 宋体;">防腐结构：****层环氧粉末（<*n lang="EN-US" style="text-indent: 2em;">FBE<*n style="text-indent: 2em; font-family: 宋体;">＞<*n lang="EN-US" style="text-indent: 2em;">100um<*n style="text-indent: 2em; font-family: 宋体;">），第二层胶粘剂（<*n lang="EN-US" style="text-indent: 2em;">AD<*n style="text-indent: 2em; font-family: 宋体;">）<*n lang="EN-US" style="text-indent: 2em;">170<*n style="text-indent: 2em; font-family: 宋体;">～<*n lang="EN-US" style="text-indent: 2em;">250um,<*n style="text-indent: 2em; font-family: 宋体;">第三层聚乙烯（<*n lang="EN-US" style="text-indent: 2em;">PE<*n style="text-indent: 2em; font-family: 宋体;">）<*n lang="EN-US" style="text-indent: 2em;">2.5<*n style="text-indent: 2em; font-family: 宋体;">～<*n lang="EN-US" style="text-indent: 2em;">3.7mm<*n style="text-indent: 2em; font-family: 宋体;">。三种材料融为一体，并与钢管牢固结合形成优良的防腐层。<*n style="text-indent: 2em;"> <*n style="text-indent: 2em; font-family: 宋体;">　　管径范围Φ<*n lang="EN-US" style="text-indent: 2em;">60<*n style="text-indent: 2em; font-family: 宋体;">～Φ<*n lang="EN-US" style="text-indent: 2em;">1420<*n style="text-indent: 2em; font-family: 宋体;">，壁厚范围<*n lang="EN-US" style="text-indent: 2em;">2.5-18mm<*n style="text-indent: 2em; font-family: 宋体;">之间，这是比较不错的防腐方法，一般能****<*n lang="EN-US" style="text-indent: 2em;">50<*n style="text-indent: 2em; font-family: 宋体;">年的使用寿命，不但延长了地下管道设备的更换周期，而且大大节约了成本，为*建设提供了强有力的作用！<*n lang="EN-US" style="text-indent: 2em;">3PE<*n style="text-indent: 2em; font-family: 宋体;">防腐钢管<*n lang="EN-US" style="text-indent: 2em;">3pe<*n style="text-indent: 2em; font-family: 宋体;">防腐是****常用的防腐方法，此外还有<*n lang="EN-US" style="text-indent: 2em;">2PE<*n lang="EN-US" style="font-family:宋体; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman""><*n lang="EN-US">，2PP,3PP<*n lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman""><*n lang="EN-US">防腐钢管<*n style="text-indent: 2em; font-family: 宋体;">，他们的制造工艺差不多，只是原料不尽相同，这种防腐的特点是制作工艺简单，防腐效果好，价格低廉，是管道制造业普遍认同的防腐方法！<*n lang="EN-US" style="text-indent: 2em;">   <*n style="text-indent: 2em; font-family: 宋体;">避免管道，遭受土壤、空气和输送介质（石油、*等）腐蚀的防护技术。输送油、气的管道大多处于复杂的土壤环境中，所输送的介质也多有腐蚀性，因而管道内壁和外壁都可能遭到腐蚀。一旦管道被腐蚀穿孔，即造成油、气漏失，不仅使运输中断，而且会污染环境，甚至可能引起火灾，造成危害。据美国管道工业的统计资料，<*n lang="EN-US" style="text-indent: 2em;">1975<*n style="text-indent: 2em; font-family: 宋体;">年由于腐蚀造成的直接损失达<*n lang="EN-US" style="text-indent: 2em;">6<*n style="text-indent: 2em; font-family: 宋体;">亿美元。因此，****管道腐蚀是管道工程的重要内容。河北圆通厚壁钢管制造有限公司的主要产品为防腐钢管等一系列钢管产品一般工作管通常情况下：公称直径<*n lang="EN-US" style="text-indent: 2em;">DN20-DN150<*n style="text-indent: 2em; font-family: 宋体;">采用无缝钢管或电焊钢管，<*n lang="EN-US" style="text-indent: 2em;">DN200<*n style="text-indent: 2em; font-family: 宋体;">以上采用螺旋缝钢管。

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<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family: "Times New Roman";mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> <*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">根据工程需要可采用用户要求的各类钢管。钢制管采用冷热煨或冲压焊接管件。<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">外套管：聚乙烯外套采用高密度聚乙烯材料制成，具有很高的机械强度和优良的耐腐蚀性能。它能保证管材在运输安装及使用过程中不受外界因素引起的*。其主要技术指标见表：<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">1. <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">高密度聚乙烯管主要技术指标<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">: <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">试验方法<*n lang="EN-US" style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">(<*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">标准<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">) <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">密度<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> Kg/m3 <*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">≥<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">940 GB/T1033 <*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">拉伸屈服强度<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> Mpa <*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">≥<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">19 GB/T8804.2 <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">断裂伸长率<*n lang="EN-US" style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> % <*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">≥<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">350 GB/T8804.2 .<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">耐环境应力开裂<*n lang="EN-US" style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> h <*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">≥<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">200 GB/T1842 <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">纵向回缩率<*n lang="EN-US" style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> % <*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">≤<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">3 GB/T6671.2<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">保温层<*n lang="EN-US" style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">:<*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">保温层材料为密度大于<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">60kg/m3<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">的硬质聚氨酯泡沫，泡沫充分填满钢管与套管之间的间隙，并具有一定的粘接强度，使钢管、外套及保温层三者形成一个牢固的整体。聚氨酯泡沫具有良好的机械性能和热绝缘性能，通常情况下连续工作温度可达<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">140<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">℃。硬质聚氨酯保温层主要技术指标<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">:<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">试验方法（标准）<*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> <*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">密度<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> Kg/m3 <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">≥<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">60 GB/T6343 <*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">*压强度<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> Mpa <*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">≥<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">0.3 GB/T8813 <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">导热系数<*n lang="EN-US" style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> w/m<*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">℃<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">≤<*n lang="EN-US" style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">0.033 GB/T10297 <*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">耐热性<*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:"Times New Roman";mso-fareast-font-family:宋体;mso-font-kerning: 1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA"> <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt; font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">℃<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> 140 EN253 <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">闭孔率<*n lang="EN-US" style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> % <*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">≥<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">88 GB/T10799 <*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">吸水率<*n lang="EN-US" style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> % <*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">≤<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">10 CJ/T114 HDPE<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">外护管产品简介聚氨酯保温管由于聚氨酯硬质泡沫保温层紧密地粘结在钢管外皮，隔绝了空气和水的渗入，能起到良好的防腐作用。同时它的发泡孔都是闭合的，吸水性很小。