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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cwdkh2a" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Shwwjp/637357767784511719/688589.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xhegn4m" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇防火隔音棉哪家好,隔音棉</p><p><span>***更新：</span>2021-01-30 06:12:08</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="793jgvn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海龍況實(shí)業(yè)發(fā)展有限公司</a></p><p><span>聯(lián)系人：</span>王金普</p><p><span>郵箱: </span>330365097@qq.com</p><p><span>電話: </span>13044679988</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.tmjc88.com</p><p><span>手機(jī): </span>021-88888888</p><p><span>地址: </span>肖塘路255弄10號(hào)1層</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="eylikza" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="l2iuwyf" class="box"><p><p style="text-indent:25px">拆下來的隔音棉，很奇怪，各個(gè)部位仔細(xì)聞都沒有明顯的焦糊味，經(jīng)過分析我認(rèn)為是常溫下污染物散發(fā)很緩慢，停一晚，緩慢散發(fā)的味道積累在車?yán)锊艜?huì)導(dǎo)致明顯嗆鼻子的味道。之前也做過測(cè)試，常溫下車內(nèi)甲醛和致病物TVOC并不超標(biāo)，但開一段路，發(fā)動(dòng)機(jī)溫度升高后甲醛和TVOC會(huì)直線上升，發(fā)動(dòng)機(jī)溫度烘烤隔音棉會(huì)加速污染物的揮發(fā)，江蘇防火隔音棉哪家好。之前看車友換棉時(shí)發(fā)的視頻，江蘇防火隔音棉哪家好，兩年的車，隔音棉背膠已經(jīng)老化破裂或者軟化得跟口香糖差不多，手一捏就能捏下來一塊，主要的異味就是來自于這老化的黑色背膠，江蘇防火隔音棉哪家好。目前流行的隔音棉材質(zhì)有：聚酯纖維隔音棉，高密度的雞蛋棉，玻璃纖維隔音棉，梯度棉，巖棉等等。江蘇防火隔音棉哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇防火隔音棉哪家好,隔音棉" src="https://tyunfile.71360.com/UploadFile/Shwwjp/637357767784511719/688589.png"></div><p style="text-indent:25px">隔音板的隔熱材料：目前較好的隔音原料——丁基橡膠 1、什么是“丁基橡膠”？普通丁基橡膠是由異丁烯和異戊二烯在-100℃發(fā)生聚合反應(yīng)形成的聚合物。成品丁基橡膠在乙烷溶劑中分解，然后與氯或溴進(jìn)行鹵化反應(yīng)可制成鹵化丁基橡膠。 2、丁基橡膠的用途丁基橡膠的性能主要由聚異丁烯主鏈及其不飽和度極底的結(jié)構(gòu)所決定,其不飽和度*為0.5%∽3.3%(mol)約為天然橡膠的1&47;50,因此丁基橡膠具有一系列的優(yōu)良特性;透氣率低,熱穩(wěn)定性好,耐臭氧和耐天候老化性好,減震性能好,耐化學(xué)腐蝕和耐水氣侵蝕性能好等. 鹵化丁基橡膠主要用于生產(chǎn)汽車、卡車、飛機(jī)輪胎內(nèi)襯。普通的丁基橡膠可用于生產(chǎn)汽車上的膠管、自行車的輪胎和球。特殊用途包括醫(yī)用瓶塞、密封套和藥用膠塞等領(lǐng)域?？谙闾鞘嵌』鹉z又一個(gè)十分特殊但也十分有趣的應(yīng)用。江蘇防火隔音棉哪家好薄板共振吸收大多在低頻具有較好的隔音性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇防火隔音棉哪家好,隔音棉" src="https://tyunfile.71360.com/UploadFile/Shwwjp/637357767763056641/2011647.png"></div><p style="text-indent:25px">好的吸音隔音材料，比如我們的目的主要是隔音，那么說白了就是要把噪音“消掉”。比如“梯度吸音棉”，它是一種層壓階梯密度的多孔材料，里邊的孔是有連通性的，聲音進(jìn)去之后與材料孔壁發(fā)生摩擦，能量轉(zhuǎn)化，較終達(dá)到衰減聲能的目的。你直接把隔音棉貼在玻璃墻上，選對(duì)材料的話應(yīng)該是有一定效果的。你的情況有兩種：一種是使用的材料本身沒有效果，這個(gè)跟材質(zhì)、結(jié)構(gòu)都有關(guān)系的，你使用梯度吸音棉就會(huì)發(fā)現(xiàn)能產(chǎn)生效果；另外一種情況，就是說隔音棉的正規(guī)安裝方式，應(yīng)該是填充在龍骨里邊，然后用板封上。就是說這樣安裝才能把效果發(fā)揮到較大化，直接貼的方式，如果用好的材料比如梯度吸音棉是能生效，當(dāng)然隔音效果還是跟龍骨安裝的方式有一定差別的。當(dāng)然，你還可以選用高阻隔聲氈，這個(gè)材料它的隔音效果也是相當(dāng)明顯的。</p><p style="text-indent:25px">現(xiàn)在市面上的隔音棉一般都是采用纖維多孔隔音材料，比如：離心玻璃棉、聚酯纖維棉隔音棉、礦棉、巖棉、植物纖維噴涂等。其隔音原理就是這些材料內(nèi)部有大量微小的連通的孔隙，外界的聲波就可以沿著這些孔隙深入材料內(nèi)部，從而與材料發(fā)生摩擦作用，把聲能轉(zhuǎn)化為熱能。隔音棉有無數(shù)個(gè)連錦在一起的微小孔洞組成的通道，外界聲音就可以通過這些通道進(jìn)入隔音棉的細(xì)小縫隙里。而且外界聲音一旦進(jìn)入就無法出來，因?yàn)檫@些通道非常長，外界聲音會(huì)在這些通道里鉆來鉆去、左右沖撞。而且在這個(gè)過程中就會(huì)逐漸消耗掉能量，這樣就起到隔音效果。隔音棉就可以很好的隔熱以及保護(hù)車漆。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇防火隔音棉哪家好,隔音棉" src="https://tyunfile.71360.com/UploadFile/Shwwjp/637357767754511719/452971.png"></div><p style="text-indent:25px">眾所周知，汽車在怠速、加速或不同路面行駛狀態(tài)下而產(chǎn)生的噪聲，經(jīng)底盤和車體產(chǎn)生共振或共鳴后將噪聲放大而傳入車內(nèi)，令駕乘者感到不適。由于聲音是經(jīng)過振動(dòng)來傳播的。所以隔音工程是運(yùn)用專業(yè)聲學(xué)產(chǎn)品停止車體減振及車內(nèi)吸音，從噪聲的傳播途徑上停止隔除。隔音工程主要經(jīng)過以下兩個(gè)途徑來處置：（1）運(yùn)用減振隔音材料來到達(dá)消音降噪的目的。例如：在車門、行李底盤等處粘貼減振隔音材料后，它會(huì)起到加固車體構(gòu)造和控制車體與外界噪聲的共振的作用。這是由于粘貼減振隔音材料后。改動(dòng)車體的固有頻率，控制車外噪聲與車體產(chǎn)生的共振和共鳴，從而有效隔除車個(gè)噪聲。（2）運(yùn)用吸音材料來到達(dá)消音降噪的目的。例如：在發(fā)起機(jī)艙蓋運(yùn)用吸音材料后發(fā)起機(jī)的噪聲明顯降低。這是由于吸音材料是一種聲學(xué)泡沫材料，它里面程度散布著啟齒腔與閉口腔，能有效地將噪聲即聲能轉(zhuǎn)化為機(jī)械能和熱能耗費(fèi)掉，從而到達(dá)吸收噪聲的目的這兩種材料的運(yùn)用并不是**的，配合運(yùn)用會(huì)到達(dá)較佳效果。隔音棉產(chǎn)品隔熱隔音效果好，符合國家有關(guān)標(biāo)準(zhǔn)。車載隔音棉求購</p><p style="text-indent:25px">隔音棉止振板能止振，也是隔音的一道屏障。江蘇防火隔音棉哪家好</p><p style="text-indent:25px">隔音，顧名思義就是把聲音隔斷；但是這需要用到專業(yè)的隔音材料，如隔音棉、隔音板、隔音氈、隔音棉、隔音窗戶等，具體做法就是房間的墻體、天花板、地板、門窗。材料的屬性也很重要，例如隔音棉，有分環(huán)保的、有分阻燃的，再有就是隔音材料的密度也高隔音效果越好（如：隔音氈）。之后就是施工方式，施工方式直接影響后期的隔音效果，再好的隔音材料施工方式用的不對(duì)，也做不出很好的效果甚至沒有效果，隔音材料密度越高隔音效果越好，施工方式講究的是密封，做不到密封效果，隔音效果就會(huì)大打折扣。江蘇防火隔音棉哪家好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3076953.html</p></div></div></div></div></div><div id="ix7su7f" class="page-right twoColRt"><div id="8evn7u3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ysurdfw" 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="q8vczwd" class="recomPic likePro"><a 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