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href="http://www.cdcfah.com/cp/third-suliaoguan_peguanik/">PE管</a>?萊蕪質(zhì)量PE-RT II型管道廠家淄博齊泰武峰塑業(yè)供應(yīng)</p><div id="yx2h7mo" class="leftbox clearfix"><h1>萊蕪質(zhì)量PE-RT II型管道廠家淄博齊泰武峰塑業(yè)供應(yīng)</h1><div id="gv2gyah" class="proBig"><div id="et2o8qs" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/9/15/637009627404719132_qitaiwufeng_3225825.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8oqd3ah" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/9/15/637009627404719132_qitaiwufeng_3225825.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="odsuwyf" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>萊蕪質(zhì)量PE-RT II型管道廠家</p><p><span>***更新：</span>2020-06-22 15:20:33</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="lvnpmta" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">淄博齊泰武峰塑業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>孫經(jīng)理</p><p><span>郵箱: </span>qitaiwufeng@163.com</p><p><span>電話: </span>13864457695</p><p><span>傳真: </span>0533_3345789</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0533-3345789</p><p><span>地址: </span>山東省淄博市開發(fā)區(qū)</p><p>[當(dāng)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="lvsu3hy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8qnpry8" class="box"><p><p> 1、PE-RTII預(yù)制直埋保溫管標(biāo)準(zhǔn)為GB/T13663-2000，PVC給水管標(biāo)準(zhǔn)為GB/T10002.1-2006。本標(biāo)準(zhǔn)對壁厚和性能指標(biāo)有不同的要求。 </p> <p> 2、PVC的強(qiáng)度優(yōu)于PE。聚乙烯比聚氯乙烯有更好的韌性（抗沖擊性）。聚乙烯可以在零下20度的溫度下使用（內(nèi)部液體不能凍結(jié)并保持流動）。 </p> <p> 3、聚乙烯管采用熱熔連接，安全可靠，強(qiáng)度高；聚氯乙烯管采用膠粘劑或彈性密封圈連接，方便快捷。 </p> <p> 4、PVC管材成本低于PE管材，工程材料成本也較低。 </p> <p> 5、PVC管材配方復(fù)雜，萊蕪質(zhì)量PE-RT II型管道廠家，添加劑較多。飲用水中的各種添加劑必須安全。聚乙烯管材添加劑少，一般衛(wèi)生性能優(yōu)于聚氯乙烯。 </p> <p> 6，萊蕪質(zhì)量PE-RT II型管道廠家，萊蕪質(zhì)量PE-RT II型管道廠家、PE-RTII型預(yù)制直埋保溫管較軟，小直徑管可卷制，聚氯乙烯管較硬，不能卷制。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="萊蕪質(zhì)量PE-RT II型管道廠家" src="http://tyunfile.71360.com/UpLoadFile/2019/8/9/15/637009627404719132_qitaiwufeng_3225825.jpg"></div><p> 根據(jù)國家標(biāo)準(zhǔn)GB/T29047-2012《高密度聚乙烯外護(hù)管硬質(zhì)聚氨脂泡沫塑料預(yù)制直埋保溫管及管件》和CJ/T480-2015《高密度聚乙烯外護(hù)管聚氨脂發(fā)泡預(yù)制直埋保溫復(fù)合塑料管》中規(guī)定：外護(hù)管原材料應(yīng)使用高密度聚乙烯樹脂制造，應(yīng)采用PE80級或更高級別的原料。聚乙烯樹脂應(yīng)大于0.935g/cm3，樹脂中應(yīng)添加外護(hù)管生產(chǎn)及使用所需要的抗氧劑、紫外線穩(wěn)定劑、碳黑等添加劑。添加比例應(yīng)符合（碳黑密度1.5g/cm3~2.0g/cm3；甲苯萃取量≤0.1%；平均顆粒尺寸0.010μm~0.025μm）。碳黑結(jié)塊、氣泡、空洞或雜質(zhì)的尺寸不大于100μm。碳黑含量應(yīng)為2.5%±0.5%，應(yīng)均勻分布于母材中，外護(hù)管外觀不應(yīng)有色差條紋，不應(yīng)有氣泡、裂紋、凹陷、雜質(zhì)、顏色不均等缺點(diǎn)，管材端面應(yīng)切割平整、并應(yīng)與軸線垂直。外護(hù)管顏色宜為黑色。在運(yùn)行工作下外護(hù)管溫度應(yīng)小于50℃。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="萊蕪質(zhì)量PE-RT II型管道廠家" src="http://tyunfile.71360.com/UpLoadFile/2019/8/9/15/637009627405345172_qitaiwufeng_5787272.jpg"></div><p style="text-indent:25px">優(yōu)異的耐高溫性能。眾說周知PE的長期使用溫度較高為40℃，PPR的長期使用溫度較高為70℃，而PE-RTⅡ在耐溫方面較以上兩者類產(chǎn)品略有提升，PE-RTⅡ長期使用溫度較高為80℃。外推長期（20℃，50年）較小靜液壓強(qiáng)度超過10.0MPa，達(dá)到PE100級管道要求。70℃工作環(huán)境下，長期（50年）設(shè)計(jì)壓力高達(dá)1.0MPa。110℃下，靜液壓試驗(yàn)已經(jīng)超過10000h，管道具有杰出的抗老化能力。任何溫度下（直至110℃），8760h之前靜液壓預(yù)測強(qiáng)度曲線無拐點(diǎn)，管道無脆性破壞。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/351180.html</p></div></div></div></div></div><div id="gerjl8g" class="page-right twoColRt"><div id="tyfceln" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oyqikbd" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="wl72a2b" class="recomPic 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