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background="/im/gs_t_line.jpg"> </td> </tr> </table><div class="content"> <div class="newtitle">珍珠巖防火門芯板的用途及成分分析</div> <div style="text-align: center;background-color:#F7F7F7">發布時間：2022/3/22 20:44:13 來源：<span class="infoCol">本站原創</span> 點擊：<Script 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 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、無機發泡</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://www.credibletarget.net"><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://www.credibletarget.net"><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">，逐漸被市場邊緣化。蛭石吸水率太高且強度較差，用的也比較少。?；⒅殡m然吸水率低且強度較好，但是價格較貴。所以，綜合來講，珍珠巖和無機發泡逐漸占據了防火門芯的主導材料。據不完全統計，</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量接近3500萬平米，市場占比不斷上升，帶動了</span></span><a href="http://www.credibletarget.net"><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</span></span></span></a><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">的進一步向前發展</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、預埋骨架、膠粘劑作粘結劑，</span></span><span style=";font-family:宋體;letter-spacing:1px;font-size:19px"><span style="font-family:宋體">經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級不燃多孔材料，且導熱系數較低，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，同時也有保溫及吸附有害氣體的效果。廣泛地應用在公共建筑和民用建筑的防火門的內部填充。</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://www.credibletarget.net"><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">，是用一定摩數的水玻璃，或稱玻璃水，即</span>N水硅酸鈉，經高溫熱壓工藝制成。由于其需要200-300攝氏度的高溫熱壓，生產周期長，生產效率低下，故造成成本高，生產過程中污染環境。第二代膨脹珍珠巖防火門芯板，一般試用菱鎂水泥材料，作珍珠巖粘結劑，也可采用發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劑為主體硅酸鈉和第二代珍珠巖板膠使用的粘結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與金屬分子發生置換反應，腐蝕金屬，高溫明火燃燒會產生氯氣有劇毒。作為防火門芯，則門芯會發生銹蝕而損壞門體，自然會</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膠水類做粘結劑，有的會自然釋放毒，有的則通過燃燒產生毒氣，均不符合強制性檢驗規定的要求</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，屬于非離子型粘結劑，中性狀態，不會與金屬分子發生置換反應，并使每一個珍珠巖顆粒均處于包膜狀態，膠膜自身耐水性高，阻礙了珍珠巖的吸潮性能，對金屬接觸點不會造成銹蝕而延長了防火門的壽命。因此，深受防火安全門企業的喜愛。</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">這里補充說明下，隨著?；⒅榈氖袌鰞r格下調，現在中凱的部分客戶用?；⒅樘娲渲閹r生產門芯板，市場反應也很好。</span></span></p><p><br/></p></div> </div> <div style="background-color:#F7F7F7;margin-top:15px;padding:10px;">上一條：<a href="/html/xwzx/xyxw/1544.html" 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