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class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/13386636601/637202360398623046/1464894.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rgd2rdf" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/13386636601/637202360398623046/1464894.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="83eykwt" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>貴州埋地聚氨酯保溫管推薦咨詢</p><p><span>***更新：</span>2020-06-09 07:10:42</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8toy33v" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波萬里管道有限公司</a></p><p><span>聯(lián)系人：</span>吳金龍</p><p><span>郵箱: </span>862273300@qq.com</p><p><span>電話: </span>13386636601</p><p><span>傳真: </span>0574_86220536</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0574-86228622</p><p><span>地址: </span>寧波市北侖區(qū)春曉街道?？诤勇?號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="qf82yqn" class="page-proshow02"><p class="title">詳細說明</p><div id="vfhztpw" class="box"><p><p> 聚氨酯保溫管生產(chǎn)時需要一定的質(zhì)量控制，質(zhì)量對使用壽命影響非常大，以下是質(zhì)量控制要素： </p> <p> 1.保溫層拼縫寬度不得大于5mm。 </p> <p> 2.保溫層厚度偏差硬質(zhì)保溫材料允許偏差+10mm。軟質(zhì)保溫材料允許偏差- 5mm。 </p> <p> 3.表面平整、翹口、脫層、開裂等缺點。 </p> <p> 4.平整度檢查用1m長靠尺，絕熱層不得大于10mm。 </p> <p> 5.聚氨酯貼襯應平整光滑，色澤均勻，與基體表面結(jié)合牢固，貴州埋地聚氨酯保溫管推薦咨詢，無起鼓，起泡每平方直徑不大于5mm應在3個以下，不應有脫層，貴州埋地聚氨酯保溫管推薦咨詢、固化不全和聚氨酯漏出的現(xiàn)象。萬里管道生產(chǎn)的聚氨酯保溫管，貴州埋地聚氨酯保溫管推薦咨詢，質(zhì)量安全可靠，值得客戶信賴。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州埋地聚氨酯保溫管推薦咨詢" src="http://tyunfile.71360.com/UploadFile/13386636601/637202360398623046/1464894.jpg"></div><p> 聚氨酯保溫管中由于聚氨酯硬質(zhì)泡沫保溫層是緊密地粘結(jié)在鋼管外皮，隔絕了空氣和水的滲入，能起到良好的防腐作用。同時它的發(fā)泡孔都是閉合的，吸水性很小。高密度聚乙烯外殼、玻璃鋼外殼均具有良好的防腐、絕緣和機械性能。因此，工作鋼管外皮很難受到外界空氣和水的侵蝕。只要管道內(nèi)部水質(zhì)處理好，據(jù)資料介紹，使用壽命可達30年以上，比傳統(tǒng)的地溝敷設(shè)、架空敷設(shè)使用壽命高3到4倍。萬里管道在生產(chǎn)時，將防腐工藝，管件內(nèi)部元器件精細化處理，質(zhì)量可靠耐用+B54。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州埋地聚氨酯保溫管推薦咨詢" src="http://tyunfile.71360.com/UploadFile/13386636601/637202360368417968/6142432.jpg"></div><p> 聚氨酯保溫管，全稱：高密度聚乙烯塑料外護聚氨酯泡沫預制直埋保溫管，由輸送介質(zhì)的工作鋼管、聚氨酯保溫層、聚乙烯塑料外護管，通過設(shè)備依次向外結(jié)合而成。高密度聚乙烯塑料外護聚氨酯泡沫預制直埋保溫管以其優(yōu)良的性能，方便的施工及使用年限長(30年-50年）而倍受人們歡迎，其結(jié)構(gòu)為:外保護層、保溫層、防滲漏層三部分，外保護層材料為聚乙烯夾克管或玻璃鋼或其它材料。敷設(shè)方式有直埋、架空、地溝三種方式。在中小口徑的熱輸或供暖管道上，為了減少管道向土壤散熱，在管道外部加上保溫復合層。常用的保溫材料是硬質(zhì)聚氨脂泡沫塑料，適用溫度為－185～120℃。這種材料質(zhì)地松軟，為提高其強度，在隔熱層外面加敷一層高密度聚乙烯層，形成復合材料結(jié)構(gòu)，以防止地下水滲入保溫層內(nèi)。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州埋地聚氨酯保溫管推薦咨詢" src="http://tyunfile.71360.com/UploadFile/13386636601/637202360377705078/5886573.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/198738.html</p></div></div></div></div></div><div id="scujls3" class="page-right twoColRt"><div id="33yfhjn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3kgnzri" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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