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href="http://www.cdcfah.com/cp/third-swfw_jiancefuwu/">檢測服務(wù)</a>?北京阻燃性能檢測費(fèi)用歡迎咨詢上海華慧檢測技術(shù)供應(yīng)</p><div id="eia33e8" class="leftbox clearfix"><h1>北京阻燃性能檢測費(fèi)用歡迎咨詢上海華慧檢測技術(shù)供應(yīng)</h1><div id="troiu3j" class="proBig"><div id="n8moqpg" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhhjc/637348286442314453/4916593.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lzbiu2d" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhhjc/637348286442314453/4916593.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8vaczdu" 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>北京阻燃性能檢測費(fèi)用,阻燃性能檢測</p><p><span>***更新：</span>2021-01-22 03:13:37</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="6jls3tx" 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(jī): </span>021-69910835</p><p><span>地址: </span>匯善路685號2幢4層401-410室</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="p3jlsja" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="esubsoa" class="box"><p><p style="text-indent:25px">評判織物的阻燃性能通常采用兩種依據(jù)：一是從織物的燃燒速率來進(jìn)行評判。即經(jīng)過阻燃整理的面料按規(guī)定的方法與火焰接觸一定的時間，然后移去火焰，測定面料繼續(xù)有焰燃燒和無焰燃燒的時間，以及面料被損毀的程度。有焰燃燒的時間和無焰燃燒的時間越短，被損毀的程度越低，則表示面料的阻燃性能越好；反之，則表示面料的阻燃性能不佳。另一種是通過測定樣品的極限氧指數(shù)來進(jìn)行評判。極限氧指數(shù)（LOI）是指樣品燃燒所需氧氣量的表述，故通過測定氧指數(shù)即可判定面料的阻燃性能。氧指數(shù)越高則說明維持燃燒所需的氧氣濃度越高，即表示越難燃燒。該指數(shù)可用樣品在氮、氧混合氣體中保持燭狀燃燒所需氧氣的**小體積百分?jǐn)?shù)來表示。從理論上講，北京阻燃性能檢測費(fèi)用，紡織材料的氧指數(shù)只要大于21%(自然界空氣中氧氣的體積濃度)，其在空氣中就有自熄性。根據(jù)氧指數(shù)的大小，通常將紡織品分為易燃(LOI<20%)、可燃(LOI=20%～26%)，北京阻燃性能檢測費(fèi)用，北京阻燃性能檢測費(fèi)用、難燃(LOI=26%～34%)和不燃(LOI>35%)四個等級。在多種應(yīng)用場合，塑料的阻燃性對材料的應(yīng)用來說是一個重要的性能指標(biāo)。北京阻燃性能檢測費(fèi)用</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京阻燃性能檢測費(fèi)用,阻燃性能檢測" src="https://tyunfile.71360.com/UploadFile/shhhjc/637348286442314453/4916593.png"></div><p> 上海華慧檢測技術(shù)服務(wù)有限公司，現(xiàn)有專業(yè)阻燃檢測設(shè)備80余臺，基本涵蓋建筑裝修、高分子、電線電纜，交通運(yùn)輸和紡織品等相關(guān)材料的阻燃檢測，多年的阻燃檢測經(jīng)驗(yàn)保證了設(shè)備的高效運(yùn)行，檢測結(jié)果的快速準(zhǔn)確。 </p> <p> 阻燃材料的性能質(zhì)量直接關(guān)系到人民的生命和財產(chǎn)安全，公司實(shí)行的質(zhì)量管理方針，對阻燃材料的性能全方面檢測。上海華慧檢測技術(shù)服務(wù)有限公司具有獨(dú)立法人資格阻燃產(chǎn)品檢測機(jī)構(gòu)。經(jīng)營范圍：阻燃產(chǎn)品的檢驗(yàn)檢測分析、鑒定；從事消防領(lǐng)域的技術(shù)服務(wù)；阻燃產(chǎn)品消防產(chǎn)品測試技術(shù)的相關(guān)資訊服務(wù)。北京阻燃性能檢測費(fèi)用阻燃材料一般可以耐受一定的高溫，但材料可能會發(fā)生一定的物理變化（融化變形）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京阻燃性能檢測費(fèi)用,阻燃性能檢測" src="https://tyunfile.71360.com/UploadFile/shhhjc/637348286895468750/1786415.png"></div><p> 通常,人們根據(jù)火勢的發(fā)生、發(fā)展、熱釋放以及對設(shè)備和人員的危害性,將材料阻燃性能的測試方法分為六大種類： </p> <p> 一是點(diǎn)燃性和可燃性(如點(diǎn)燃溫度和極限氧指數(shù)); </p> <p> 二是火焰?zhèn)鞑バ?如隧道實(shí)驗(yàn)和輻射板試驗(yàn)); </p> <p> 三是熱釋放性(如錐形量熱儀試驗(yàn)); </p> <p> 四是材料的生煙性(如煙箱試驗(yàn)); </p> <p> 五是燃燒產(chǎn)物毒性及腐蝕性(如產(chǎn)煙毒性試驗(yàn)); </p> <p> 六是耐燃性(如建筑構(gòu)件耐火性試驗(yàn))。 </p> <p> 這些方法都能在特定條件下、一定程度上反映燃燒的過程,但都具有一定的局限性。阻燃檢測試驗(yàn)必不可少。 </p><p> 做電線電纜行業(yè)的人對于ZR是再熟悉不過了，大部分的電線電纜規(guī)格型號前都有一個ZR或者ZA、ZB、ZC等等的字眼，ZR是阻燃的意思，阻燃分A、B、C三級，ZB就是B級阻燃，ZR默認(rèn)為C級阻燃。阻燃特性ZA>ZB>ZC。不論是家裝電線還是電力電纜都會有阻燃等級的區(qū)分。阻燃電纜A\B\C類是依據(jù)GB/T18380-2008標(biāo)準(zhǔn)規(guī)定劃分的，是用來評價垂直安裝的成束電線電纜或光纜在規(guī)定條件下火焰垂直蔓延的能力。 </p> <p> 阻燃A類是指：電纜安裝在試驗(yàn)鋼梯上以使總體積中試驗(yàn)所含非金屬材料為7L/m，供火時間為40分鐘，電纜燃燒停止后，擦干試樣，測得試樣比較大炭化范圍不得高于噴燈底部2.5m。 </p> <p> 阻燃B類是指：電纜安裝在試驗(yàn)鋼梯上以使總體積中試驗(yàn)所含非金屬材料為3.5L/m，供火時間為40分鐘，電纜燃燒停止后，擦干試樣，測得試樣比較大炭化范圍不得高于噴燈底部2.5m。 </p> <p> 阻燃C類是指：電纜安裝在試驗(yàn)鋼梯上以使總體積中試驗(yàn)所含非金屬材料為1.5L/m，供火時間為20分鐘，電纜燃燒停止后，擦干試樣，測得試樣比較大炭化范圍不得高于噴燈底部2.5m。阻燃檢測適用于評定均質(zhì)固體材料、層壓材料、泡沫材料、軟片和薄膜材料等在規(guī)定試驗(yàn)條件下的燃燒性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京阻燃性能檢測費(fèi)用,阻燃性能檢測" src="https://tyunfile.71360.com/UploadFile/shhhjc/637348286643115235/6583929.png"></div><p style="text-indent:25px">火災(zāi)時，建筑幕墻受到火燒或受熱后易破碎，甚至?xí)斐纱竺娣e的破碎事故，出現(xiàn)“引火風(fēng)道”，造成火燒迅速蔓延。同時，垂直的建筑幕墻與水平樓板之間的縫隙，也是火災(zāi)發(fā)生時煙火擴(kuò)散的途徑，如采取有效的防火分隔，可以阻止和限制火災(zāi)垂直方向的蔓延。建筑幕墻在每層樓板外沿設(shè)置的墻體，耐火極限不低于1.00h、高度不低于1.2m，可以是不燃性實(shí)體墻或防火玻璃墻；當(dāng)室內(nèi)設(shè)置自動噴水滅火系統(tǒng)時，該部分墻體的高度可不小于0.8m。對于設(shè)置雙層幕墻的建筑，當(dāng)外墻體耐火極限低于1.00h時，幕墻中靠室內(nèi)一側(cè)的幕墻耐火極限不得低于1.00h，可開啟外窗采用乙級防火窗或耐火極限不低于1.00h的C類防火窗。而對于材料的阻燃性能的檢測和判定是一切創(chuàng)新的基礎(chǔ)。這是判定材料性能的主要方法。北京阻燃性能檢測費(fèi)用</p><p style="text-indent:25px">建筑材料阻燃檢測依據(jù)國內(nèi)標(biāo)準(zhǔn)GB8624《建筑材料及制品燃燒性能分級》。北京阻燃性能檢測費(fèi)用</p><p style="text-indent:25px">隨著社會的發(fā)展，生活水平的提高，辦公場所、家居裝修已成為一種時尚。室內(nèi)裝修中用做隔音、隔熱板材、天花板、地板、裝飾板的裝修材料均為高分子材料，高分子裝修材料屬于易燃物，遇到火源即迅速發(fā)生燃燒，而且燃燒時產(chǎn)生大量的濃煙及有害氣體，所以建筑物室內(nèi)發(fā)生重大火災(zāi)事故、造成人員傷亡及財物損失，均與建筑物大量使用易燃性的裝修材料有密切關(guān)系。因此對室內(nèi)高分子裝修材料進(jìn)行阻燃性處理十分重要，經(jīng)過阻燃處理過后的高分子室內(nèi)裝修材料成為難燃或不燃材料，這就從根本上降低了建筑物室內(nèi)發(fā)生火災(zāi)事故的幾率。北京阻燃性能檢測費(fèi)用</p></p><br /><p>文章來源地址: 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