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Language="Javascript" Src="/item/GetHits.asp?Action=Count&GetFlag=0&m=1&ID=1549"></Script>次 <script type="text/javascript" language="javascript"> function ContentSize(size) {document.getElementById('MyContent').style.fontSize=size+'px';} </script> 字體：<a href="javascript:ContentSize(16)">大</a> <a href="javascript:ContentSize(14)">中</a> <a href="javascript:ContentSize(12)">小</a> </div> <div style="margin-top:20px;"><div class="nnnn5nnnn" id="MyContent"><p style="text-indent:37px"><span style="font-family: 宋體;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體"><img src="/UploadFiles/2022-03/2/2022032220503364107.jpg" width="468" height="348" style="width: 468px; height: 348px; float: left;"/></span></span></p><p style="text-indent:37px"><span style="font-family: 宋體;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">目前，可以作為</span></span><span style="font-family: 宋體;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">防火門芯</span></span><span style="font-family: 宋體;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">填充材料</span></span><span style="font-family: 宋體;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">有</span></span><span style="font-family: 宋體;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">蛭石、硅酸鋁棉、巖棉、無機(jī)發(fā)泡</span></span><span style="font-family: 宋體;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">、</span></span><a href="http://wxbodq.com"><span style="text-decoration:underline;"><span style="font-family: 宋體;color: rgb(0, 0, 255);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">膨脹</span></span></span><span style="text-decoration:underline;"><span style="font-family: 宋體;color: rgb(0, 0, 255);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">珍珠巖</span></span></span></a><span style="font-family: 宋體;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">、</span></span><a href="http://wxbodq.com"><span style="text-decoration:underline;"><span style="font-family: 宋體;color: rgb(0, 0, 255);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">?；⒅?/span></span></span></a><span style="font-family: 宋體;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">。巖棉</span>,硅酸鋁鹽由于粉塵污染,嚴(yán)重危害人們的身體健康</span><span style="font-family: 宋體;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 19px;background: rgb(255, 255, 255)"><span style="font-family:宋體">，逐漸被市場(chǎng)邊緣化。蛭石吸水率太高且強(qiáng)度較差，用的也比較少。?；⒅殡m然吸水率低且強(qiáng)度較好，但是價(jià)格較貴。所以，綜合來講，珍珠巖和無機(jī)發(fā)泡逐漸占據(jù)了防火門芯的主導(dǎo)材料。據(jù)不完全統(tǒng)計(jì)，</span></span><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">2020年珍珠巖防火門芯板的總產(chǎn)量接近3500萬平米，市場(chǎng)占比不斷上升，帶動(dòng)了</span></span><a href="http://wxbodq.com"><span style="text-decoration:underline;"><span style="font-family: 宋體;color: rgb(0, 0, 255);letter-spacing: 1px;font-size: 19px"><span style="font-family:宋體">珍珠巖行業(yè)</span></span></span></a><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">的進(jìn)一步向前發(fā)展</span></span><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">。下面就由信陽中凱公司</span></span><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">18638383188</span></span><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">詳細(xì)地帶大家了解珍珠巖防火門芯板。</span></span></p><p style="text-indent:39px"><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">珍珠巖防火門芯板是由</span></span><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">膨脹珍珠巖、預(yù)埋骨架、膠粘劑作粘結(jié)劑，</span></span><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">經(jīng)過專用攪拌器攪拌均勻后，</span></span><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">經(jīng)過壓力作用而制成的新型防火門芯填充材料。</span> </span><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">由于珍珠巖屬于</span></span><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">A1級(jí)不燃多孔材料，且導(dǎo)熱系數(shù)較低，作為防火門的填充材料，珍珠巖防火門芯板不僅起到阻燃的效果，同時(shí)也有保溫及吸附有害氣體的效果。廣泛地應(yīng)用在公共建筑和民用建筑的防火門的內(nèi)部填充。</span></span></p><p style="text-indent:39px"><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">第一代</span></span><a href="http://wxbodq.com"><span style="text-decoration:underline;"><span style="font-family: 宋體;color: rgb(0, 0, 255);letter-spacing: 1px;font-size: 19px"><span style="font-family:宋體">珍珠巖防火門芯板</span></span></span></a><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">，是用一定摩數(shù)的水玻璃，或稱玻璃水，即</span>N水硅酸鈉，經(jīng)高溫?zé)釅汗に囍瞥?。由于其需?00-300攝氏度的高溫?zé)釅海a(chǎn)周期長(zhǎng)，生產(chǎn)效率低下，故造成成本高，生產(chǎn)過程中污染環(huán)境。第二代膨脹珍珠巖防火門芯板，一般試用菱鎂水泥材料，作珍珠巖粘結(jié)劑，也可采用發(fā)泡以減輕門芯板的重量。 </span></p><p style="text-indent:39px"><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">因第一代珍珠巖板膠使用的粘結(jié)劑為主體硅酸鈉和第二代珍珠巖板膠使用的粘結(jié)劑是氧化鎂和氯化鎂（鹵水），即菱鎂水泥材料，均屬于堿金屬鹽類，當(dāng)制成的珍珠巖制板材吸潮后，堿金屬鹽中的鈉離子、鎂離子等活性陽離子會(huì)與金屬分子發(fā)生置換反應(yīng)，腐蝕金屬，高溫明火燃燒會(huì)產(chǎn)生氯氣有劇毒。作為防火門芯，則門芯會(huì)發(fā)生銹蝕而損壞門體，自然會(huì)</span>“爛門從心開始”，使防火門的壽命成倍縮短。如果添加類似脲醛樹脂類、聚酯類、蛋白類、建筑膠類、107或801膠水類做粘結(jié)劑，有的會(huì)自然釋放毒，有的則通過燃燒產(chǎn)生毒氣，均不符合強(qiáng)制性檢驗(yàn)規(guī)定的要求</span><span style=";font-family:宋體;letter-spacing:1px;font-size:16px"><span style="font-family:宋體">。</span></span></p><p style="text-indent:39px"><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">第三代膨脹珍珠巖防火門芯板，屬于非離子型粘結(jié)劑，中性狀態(tài)，不會(huì)與金屬分子發(fā)生置換反應(yīng)，并使每一個(gè)珍珠巖顆粒均處于包膜狀態(tài)，膠膜自身耐水性高，阻礙了珍珠巖的吸潮性能，對(duì)金屬接觸點(diǎn)不會(huì)造成銹蝕而延長(zhǎng)了防火門的壽命。因此，深受防火安全門企業(yè)的喜愛。</span></span></p><p style="text-indent:39px"><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span 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