上海特定聚甲醛POM原料批發(fā) 推薦咨詢昆山雙贏塑化供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="聚甲醛POM原料的性能：a、機械性能：強度高、耐疲勞性、尺寸穩(wěn)定，上海特定聚甲醛POM原料批發(fā)、蠕變也?。ǜ邷貤l件下也極少有變化）；b、耐熱老化性：增強后的UL溫度指數(shù)達120~140℃（戶外長期老化性也很好）；c、耐溶劑性：無應力開裂；d"><meta name="keywords" content="上海特定聚甲醛POM原料批發(fā),聚甲醛POM原料"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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href="http://www.cdcfah.com/cp/third-zssl_pomzsl/">POM再生料</a>?上海特定聚甲醛POM原料批發(fā) 推薦咨詢昆山雙贏塑化供應</p><div id="pnteogg" class="leftbox clearfix"><h1>上海特定聚甲醛POM原料批發(fā) 推薦咨詢昆山雙贏塑化供應</h1><div id="cv3cz33" class="proBig"><div id="ur3y4za" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sysh888/637359314179921875/3084623.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pchn3pf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sysh888/637359314179921875/3084623.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="82bguhc" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海特定聚甲醛POM原料批發(fā),聚甲醛POM原料</p><p><span>***更新：</span>2021-01-04 06:16:57</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7bjn3mx" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">昆山雙贏塑化有限公司</a></p><p><span>聯(lián)系人：</span>陳田</p><p><span>郵箱: </span>1047570731@qq.com</p><p><span>電話: </span>15950904476</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://sysh888.shop.88360.com</p><p><span>手機: </span>0512-15950904</p><p><span>地址: </span>昆山市東城大道龍城國際9號</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="hpzzkaq" class="page-proshow02"><p class="title">詳細說明</p><div id="jxssxds" class="box"><p><p style="text-indent:25px">聚甲醛POM原料的性能：a、機械性能：強度高、耐疲勞性、尺寸穩(wěn)定，上海特定聚甲醛POM原料批發(fā)、蠕變也?。ǜ邷貤l件下也極少有變化）；b、耐熱老化性：增強后的UL溫度指數(shù)達120~140℃（戶外長期老化性也很好）；c、耐溶劑性：無應力開裂；d，上海特定聚甲醛POM原料批發(fā)、對水穩(wěn)定性：高溫下遇水易分解（高溫高濕環(huán)境下使用需謹慎）；e、電氣性能：1、絕緣性能：優(yōu)良（潮濕、高溫也能保持電性能穩(wěn)定,是制造電子，上海特定聚甲醛POM原料批發(fā)、電氣零件的理想材料）；2、介電系數(shù)：3.0-3.2；3、耐電弧性：120s；f、成型加工性：普通設備注塑或擠塑。聚甲醛POM原料可耐受多種化學物質(zhì)。上海特定聚甲醛POM原料批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海特定聚甲醛POM原料批發(fā),聚甲醛POM原料" src="https://tyunfile.71360.com/UploadFile/sysh888/637359314179921875/3084623.png"></div><p style="text-indent:25px">聚甲醛POM原料聚甲醛POM原料料包括由甲醛形成的聚氧甲烯的分子鏈構(gòu)成的均聚高分子，甲醛的三聚體―三氧雜環(huán)己烷和環(huán)氧乙烷等形成的共聚高分子。它是一種高結(jié)晶聚合物，具有表面光滑、有光澤、吸水性小尺寸穩(wěn)定、耐磨、強度高、自潤滑性好、著色性好，耐油、耐過氧化物。聚甲醛POM原料應用范圍汽車工業(yè)：用于制造汽車上的半軸、行星齒輪墊等不僅節(jié)約了銅，而且提高了使用壽命。還可用它做散熱器水管閥門、散熱器箱蓋、方向開關(guān)裝置葉輪、齒輪外殼、汽化器外殼、油門踏板零件。上海特定聚甲醛POM原料批發(fā)聚甲醛POM原料的電性能與懸浮法PS相似。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海特定聚甲醛POM原料批發(fā),聚甲醛POM原料" src="https://tyunfile.71360.com/UploadFile/sysh888/637359313816933594/8438360.png"></div><p style="text-indent:25px">聚甲醛POM原料應用領(lǐng)域：電子電器：連接器是信號間的橋梁，是傳遞電子訊號及電源連接所不可或缺組件，POM均衡的物性與價格正符合連接器的需要。POM通常添加30%玻璃纖維摻混作為連接器，POM因機械性質(zhì)、耐溶劑性、成形加工性佳且價格低而普遍被采用。POM在電子產(chǎn)品中的第二大用途用作散熱風扇，散熱風扇是置于機器內(nèi)長時間旋轉(zhuǎn)以幫助散熱，對塑料物性要求有耐熱、難燃、絕緣性及機械強度，POM通常以加30%玻纖改性后用作散熱風扇之外框及扇葉。其它用途：POM材料的它用途，如加15%玻纖的POM材料用作節(jié)能燈的底座及外殼，以POM/PC合金作為溜冰鞋鞋底，其它如繼電器外殼、插座、開關(guān)、調(diào)諧器外殼、食品加工刀片、真空吸塵器元件、電風扇、頭發(fā)干燥機殼體、咖啡器皿等。</p><p style="text-indent:25px">聚甲醛POM原料的生產(chǎn)：POM樹脂的生產(chǎn)工藝主要有DMT法（酯交換法）和PTA法（直接酯化法）。早期由于PTA法的主要原材料PTA的純度不夠，導致直接酯化法反應速度慢，反應溫度高，副產(chǎn)品多，原料單耗大，生產(chǎn)成本高，因此當時POM的生產(chǎn)方式大多采用DMT法。但是DMT法生產(chǎn)規(guī)模小，產(chǎn)品質(zhì)量穩(wěn)定性差，因而POM作為一種新材料一直沒有得到重視。20世紀90年代以來，隨著PTA的生產(chǎn)工藝越漸成熟，PTA法已經(jīng)成為POM的主要生產(chǎn)方式，也是POM生產(chǎn)今后發(fā)展的主流方向。聚甲醛POM原料的尺寸穩(wěn)定度佳。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海特定聚甲醛POM原料批發(fā),聚甲醛POM原料" src="https://tyunfile.71360.com/UploadFile/sysh888/637359313441894532/648778.png"></div><p style="text-indent:25px">聚甲醛POM原料是無定型聚合物，聚甲醛POM原料是一種通用型聚甲醛POM原料，其品種多樣，用途普遍，也稱“通用塑料”，（MBS稱為透明聚甲醛POM原料），聚甲醛POM原料易吸濕，比重為1.05g/cm3（比水略重），收縮率低（0.60%?）,尺寸穩(wěn)定，易于成型加工。聚甲醛POM原料的特性主要取決于三種單體的比率以及兩相中的分子結(jié)構(gòu)。這就可以在產(chǎn)品設計上具有很大的靈活性，并且由此產(chǎn)生了市場上百種不同品質(zhì)的聚甲醛POM原料材料。這些不同品質(zhì)的材料提供了不同的特性，例如從中等到高等的抗沖擊性，從低到高的光潔度和高溫扭曲特性等。聚甲醛POM原料材料具有非常強的易加工性，外觀特性，低蠕變性和優(yōu)異的尺寸穩(wěn)定性以及很高的抗沖擊強度。聚甲醛POM原料板剛性較大，機械強度較高，熔點亦較高。上海特定聚甲醛POM原料批發(fā)</p><p style="text-indent:25px">聚甲醛POM原料吸水率為0.3%左右，有時表面吸水率可達0.8%。上海特定聚甲醛POM原料批發(fā)</p><p style="text-indent:25px">聚甲醛POM原料的改性：增強和填充改性：將20%到40%的玻璃纖維加入POM樹脂中，既能保持POM樹脂固有的良好加工性和耐化學藥品性，又能提高1-1.5倍的拉伸強度和彎曲強度，并提高2倍的拉伸彈性模量，能降低POM樹脂固有的缺口敏感性，并促進其耐熱性實現(xiàn)大幅度提高。阻燃改性：將阻燃劑加入POM中后，POM阻燃性可達UL94V–0級。通常，將溴化合物、氯化物、磷化物以及Sb2O3作為阻燃劑。多數(shù)阻燃等級POM采用十溴聯(lián)苯醚以及Sb2O3，其阻燃性能未實現(xiàn)高阻燃性，在燃燒時會產(chǎn)生煙霧并存在滴落，因此，相關(guān)公司致力于研究采用齊聚物以及高分子量聚合物型阻燃劑對POM進行阻燃改性。上海特定聚甲醛POM原料批發(fā)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2697147.html</p></div></div></div></div></div><div id="vtzeeeu" class="page-right twoColRt"><div id="pdjo8iy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hzej2ns" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="vdo3z8y" class="recomPic 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