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<br/></p><p>郵箱：2550419355@qq.com</p><p>網(wǎng)址：</p><p>地址：山東濟(jì)南章丘區(qū)刁鎮(zhèn)經(jīng)濟(jì)開發(fā)區(qū)</p> </div> </div> </div> <div id="qi79ntwaa" class="page-message-img"> <a href="http:///inquiry/"><img src="http:///data/images/other/20190701101004_812.jpg" alt=""></a> </div> </div> </div> <div id="qi79ntwaa" class="page-wrap-right"> <div id="qi79ntwaa" class="xypg-right-content">  <div id="qi79ntwaa" class="xypg-news-detail"> <h1 class="xypg-detail-title">通風(fēng)管道材料選擇的時(shí)候注意哪些問題</h1> <div id="qi79ntwaa" class="xypg-detail-info-bar"> <div id="qi79ntwaa" class="detail-info-time"><i class="iconfont icon-shijian"></i>2022-05-25</div> <div id="qi79ntwaa" class="detail-info-numbers"><i class="iconfont icon-chakan"></i><script src="http:///data/include/newshits.php?id=781"></script>次</div> </div> <div id="qi79ntwaa" class="xypg-detail-con"><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;">風(fēng)管制作過程中對材料的要求是相當(dāng)有考究的，風(fēng)管表面層為鋁箔材質(zhì)時(shí)，為確保表面層不易損壞，故對鋁箔材質(zhì)及厚度作出規(guī)定，并對鋁箔與增強(qiáng)材料復(fù)合的風(fēng)管表層的鋁箔厚度作了規(guī)定。</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;">其次，薄鋼板法蘭<a href='http:////' target='_blank' class='key_tag'><font><strong>通風(fēng)管道</strong></font></a>內(nèi)、外表層和內(nèi)部絕熱材料粘接牢固，是保證復(fù)合材料的基本條件之一。超出一定面積的板材缺陷，不僅影響風(fēng)管使用壽命，而且有時(shí)會(huì)降低其保溫效果。所以缺陷不得大于6‰，以達(dá)到材料在系統(tǒng)中的正常使用。</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;"></span></p><p style="text-align: center"><img src="/data/ueditor/php/data/upload/image/20220329/1648519714501221.jpg" title="通風(fēng)管道" alt="通風(fēng)管道" width="800" height="640" border="0" vspace="0" style="width: 800px; height: 640px;"/></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;"></span><br/></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;">目前，非金屬風(fēng)管材料發(fā)展較快，品種較多，困其具有的特性和優(yōu)點(diǎn)，應(yīng)用也越來越廣泛。為了保證使用中的安全，對這些材料制作的風(fēng)管提出了應(yīng)按工程的需要具有不燃或難燃B1級的燃燒性能要求，而其表面層必須為不燃材料。根據(jù)我國多年的工程應(yīng)用實(shí)踐與產(chǎn)品狀況，規(guī)定了熱敏膠帶與壓敏膠帶的剝離強(qiáng)度試驗(yàn)低值與鋁箔厚度值;要求膠帶寬度不應(yīng)小于50mm，防止使用的膠帶不能滿足管壁密封的強(qiáng)度和風(fēng)管使用年限。熱敏膠帶的優(yōu)點(diǎn)是依靠熱熔粘接，只要不在加熱，在常溫下膠面是固化的，具有牢靠的粘接強(qiáng)度。</span></p><p><br/></p></div> <div id="qi79ntwaa" class="xypg-detail-tags"> <div id="qi79ntwaa" class="tags-title"> <h3>標(biāo)簽</h3> <div id="qi79ntwaa" class="baidu-share">  <div id="qi79ntwaa" class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到微信"></a> <a href="#" class="bds_sqq" data-cmd="sqq" title="分享到QQ好友"></a> <a href="#" class="bds_isohu" data-cmd="isohu" title="分享到我的搜狐"></a> <a href="#" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a> <a href="#" class="bds_fbook" 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