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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cbdkmtn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhhjc/637342376045947265/281170.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="87oqxeg" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>宿州燃燒性能檢測方法,燃燒性能檢測</p><p><span>***更新：</span>2021-01-27 09:14:46</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="z3szgiu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海華慧檢測技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>晏閩南</p><p><span>郵箱: </span>yann7873@163.com</p><p><span>電話: </span>19512260464</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.cfpo.com.cn</p><p><span>手機: </span>021-69910835</p><p><span>地址: </span>匯善路685號2幢4層401-410室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="cmtlnzv" class="page-proshow02"><p class="title">詳細說明</p><div id="jtqnp3h" class="box"><p><p style="text-indent:25px">建筑構(gòu)件的燃燒性能取決于組成建筑構(gòu)件材料的燃燒性能。根據(jù)建筑材料的燃燒性能不同，建筑構(gòu)件分為不燃性構(gòu)件、難燃性構(gòu)件和可燃性構(gòu)件。不燃性構(gòu)件是指用不燃材料做成的構(gòu)件，如混凝土柱、混凝土樓板、磚墻、混凝土樓梯等。難燃性構(gòu)件是指用難燃材料做成的構(gòu)件或用可燃材料做成而用非燃燒性材料做保護層的構(gòu)件，如水泥刨花復(fù)合板隔墻，宿州燃燒性能檢測方法、木龍骨兩面釘石膏板隔墻等?？扇夹詷?gòu)件是指用可燃材料做成的構(gòu)件，宿州燃燒性能檢測方法，如木柱、木樓板、竹制吊頂?shù)取＝ㄖ牧系娜紵阅芤罁?jù)在明火或高溫作用下，材料表面的著火性和火焰?zhèn)鞑バ浴l(fā)煙，宿州燃燒性能檢測方法、炭化、失重以及毒性生化物的產(chǎn)生等特性來衡量，它是評價材料防火性能的一項重要指標。燃燒性能檢測的工作效率很高。宿州燃燒性能檢測方法</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宿州燃燒性能檢測方法,燃燒性能檢測" src="https://tyunfile.71360.com/UploadFile/shhhjc/637342376045947265/281170.png"></div><p style="text-indent:25px">不同的檢測材料檢測方式是不同的、使用到的檢測儀器也有所區(qū)別，同時價格也大不相同，因此客戶在選擇上海耐火材料檢測時便應(yīng)當注意檢測的價格方面，可以進行多家檢測價格相互比較，若價格相同則根據(jù)距離遠近、時間長短進行選擇。在選擇耐火材料檢測時應(yīng)當了解到檢測機構(gòu)是否科學(xué)公正，及時準確，不同的材料根據(jù)用途在進行檢測時標準也不盡相同，同時檢測機構(gòu)應(yīng)具有詳細的檢測反應(yīng)，不同程度下耐火材料檢測呈現(xiàn)出不同的特性。與后期的材料升級、改進方向大有關(guān)系，客戶在檢測不合格時也可以了解到未能合格的原因。宿州燃燒性能檢測方法燃燒性能檢測的功能是比較強大的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宿州燃燒性能檢測方法,燃燒性能檢測" src="https://tyunfile.71360.com/UploadFile/shhhjc/637342376060244140/351381.png"></div><p style="text-indent:25px">裝修材料的試驗方法，應(yīng)符合現(xiàn)行標準的規(guī)定。 B 1 級頂棚、墻面、隔斷裝修材料的試驗方法，應(yīng)符合現(xiàn)行標準規(guī)定；B 2 級頂棚、墻面、隔斷裝修材料.。建筑裝飾材料按燃燒等級分類 A：不燃性石材陶瓷等 B1：難燃性防火板阻燃墻紙等 B2：可燃性木材墻紙等 B3：易燃性油漆等，在進行裝修防火設(shè)計時應(yīng)注意:地卜民用建筑內(nèi)部裝修防火設(shè)計應(yīng)符合民用建筑內(nèi)部裝修防火設(shè)計一般規(guī)定的有關(guān)要求。地下民用建筑的疏散走道和安全出口的門廳，其頂棚、墻面和地面的裝修材料應(yīng)采用裝修材料。單獨建造的地下民用建筑的地上。</p><p style="text-indent:25px">汽車內(nèi)飾材料，尤其是易燃的車用非金屬材料是造成火災(zāi)，為了避免或延緩燃燒的擴展，使乘員能夠有一定的時間安全地離開可能即將發(fā)生火災(zāi)的汽車，針對可燃的車用非金屬材料，各國均制定了嚴格的材料燃燒標準法規(guī)。極限氧指數(shù)是指聚合物在氧和氮混合氣體中，當剛能支撐其燃燒時氧的體積濃度。是表征材料燃燒行為的指數(shù)。一般認為氧指數(shù)<22屬于易燃材料，氧指數(shù)在22-27屬可燃材料，氧指數(shù)>27屬難燃材料。一般是將試樣豎直地固定在玻璃燃燒筒中，其底座與可產(chǎn)生氮氧混合氣流的裝置相連。點燃試樣的頂端，混合氣流中的氧濃度將會持續(xù)下降，直至火焰熄滅，記錄瞬間氧濃度。燃燒性能檢測的流程要遵守規(guī)范。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宿州燃燒性能檢測方法,燃燒性能檢測" src="https://tyunfile.71360.com/UploadFile/shhhjc/637342376055292968/5295272.png"></div><p style="text-indent:25px">原理為：在規(guī)定的試驗條件下，對水平方向的紡織試樣點火15s，測定火焰在試樣上的蔓延距離和蔓延此距離所用的時間，以火焰蔓延速率來表示。若試樣寬度＜60mm，則長度350mm、若寬度為60mm~100mm，則長度至少160mm。此方法適用于各類紡織品。2.4 45°燃燒法測試原理為：在規(guī)定的條件下，將試樣斜放呈45°角斜放，對試樣點火1s，將試樣有焰向上燃燒到一定距離，記錄所需的時間，評定該紡織品燃燒的劇烈程度。對于平面織物，取10塊大小為150mm×50mm的樣測試；對于起絨織物，同樣大小取樣20塊進行測試。對于表面起絨的織物，底布的點燃或熔融現(xiàn)象，作為評定該織物燃燒劇烈程度的附加指標，且需加以注明。該標準規(guī)定了服裝用紡織品易燃性的測定方法及評定服裝用紡織品易燃性的三種等級，適用于測量易燃紡織品穿著時一旦點燃后燃燒的劇烈程度和速度。燃燒性能檢測要配備專業(yè)人員進行操作。宿州燃燒性能檢測方法</p><p style="text-indent:25px">燃燒性能檢測工作分為工用和民用。宿州燃燒性能檢測方法</p><p style="text-indent:25px">燃燒性能是指材料遇火時所發(fā)生的的反應(yīng)，燃燒過程伴隨火焰?zhèn)鞑?，著火性，產(chǎn)煙產(chǎn)熱，碳化以及毒性等特征，是材料較基本的性能之一，也是材料較重要的性能之一，為了衡量材料的燃燒性能，不同國家地區(qū)制定了各自的檢測標準來滿足自身要求。材料燃燒等級標準的判定目前國標主要的標準是建筑材料及制品燃燒性能分級。燃燒等級根據(jù)材料的不同，主要分為以下幾種阻燃等級：紡織品燃燒等級、塑料燃燒等級、保溫材料燃燒等級、電線電纜電器類燃燒等級等。比較通用的用氧指數(shù)表示阻燃等級。紡織品阻燃等級主要分為B1、B2和B3，依靠紡織品氧指數(shù)法和紡織品垂直法來判定，涉及氧指數(shù)測定儀和水平垂直燃燒儀。塑料阻燃等級主要分為HB、V2 、V1、V0、5VA、5VB等級別，是塑料或橡膠及其制品的**的阻燃等級表示方法。主要用水平垂直燃燒測定儀來進行判斷。宿州燃燒性能檢測方法</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3035170.html</p></div></div></div></div></div><div id="gvs8j7c" class="page-right twoColRt"><div id="pzg2jn7" class="box01 margin10 clearfix"><h3><a 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