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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="jn8skhj" class="twoCol"><div id="jyn9fug" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_xiangsu/">橡塑</a>?<a href="http://www.cdcfah.com/cp/third-xiangsu_qtflmw/">其他未分類</a>?KEP-2371錦湖客戶至上值得信賴上海君宜化工供應(yīng)</p><div id="ga3pm3e" class="leftbox clearfix"><h1>KEP-2371錦湖客戶至上值得信賴上海君宜化工供應(yīng)</h1><div id="t7d3wli" class="proBig"><div id="rlvawda" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842428031661/6370008424280316619947092.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="w2g4phy" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842428031661/6370008424280316619947092.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tnf4giz" 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>KEP-2371錦湖客戶至上,錦湖</p><p><span>***更新：</span>2021-02-01 03:01:55</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="87fubiu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海君宜化工銷售中心（有限合伙）</a></p><p><span>聯(lián)系人：</span>蘇剛</p><p><span>郵箱: </span>sg@estrongchem.com</p><p><span>電話: </span>13524989551</p><p><span>傳真: </span>021_60823996 </p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-60826029</p><p><span>地址: </span>上海市浦東新區(qū)五星路676弄萬科御河10棟</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="e2nxo8p" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vegvctq" class="box"><p><p> 8.PDM的成型方式壓出膠料壓出性能往往是以膠料容易輸送、壓出速度快、壓出物表面光滑以及形狀、尺寸保持性好為標(biāo)志。三元乙丙橡膠比一般橡膠容易壓出，壓出速度較快，壓出物收縮小，但要控制好膠料的門尼粘度和壓出溫度。乙丙橡膠膠料門尼粘度以40~60為佳。乙烯含量高及分子量分布窄的三元乙丙橡膠壓出工藝性能好。高填充配合的膠料亦有良好的壓出性能，特別是填充高結(jié)構(gòu)爐黑、快壓出爐黑、通用爐黑、半補(bǔ)強(qiáng)爐黑、中粒子熱裂法炭黑和細(xì)粒子熱裂法炭黑等炭黑的膠料壓出表面光滑，KEP-2371錦湖客戶至上。白色填料以鈦白、滑石粉、碳酸鈣為比較好，壓出速度超過炭黑膠料。壓延EPDM膠料需要通過壓延制備各種規(guī)格膠片以及在織物上擦膠或貼膠。膠料門尼粘度、壓延速度和溫度均會影響壓延物質(zhì)量。壓延溫度過低容易產(chǎn)生氣泡，壓延物不平整，收縮大。一般壓延溫度應(yīng)控制如下：上輥90~100℃，中輥90℃左右，下輥90~120℃。模壓三元乙丙橡膠高溫流動性較好，故制造模壓制品時沒有什么困難。但制造結(jié)構(gòu)復(fù)雜的模制品時，要在模型關(guān)鍵部位鉆些氣眼以排出窩藏的氣體，避免制品產(chǎn)生氣孔缺點(diǎn)或表面發(fā)粘等，KEP-2371錦湖客戶至上，KEP-2371錦湖客戶至上。用過氧化物硫化的膠料熱撕裂性能差，配方中應(yīng)采用少量硫磺作共交聯(lián)劑以改善其熱撕裂性能。乙丙橡膠有優(yōu)異的耐水蒸氣性能并優(yōu)于其耐熱性。KEP-2371錦湖客戶至上</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-2371錦湖客戶至上,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842428031661/6370008424280316619947092.JPG"></div><p> EPDM在發(fā)動機(jī)冷卻系統(tǒng)和空調(diào)制冷系統(tǒng)密封件中的應(yīng)用 </p> <p> EPDM用于制作發(fā)動機(jī)冷卻系統(tǒng)中的密封圈。此類產(chǎn)品接觸的介質(zhì)是防凍液、陽光、水、臭氧，使用溫度在-40℃～125℃，短期耐熱溫度可達(dá)135℃。此類零件采用的EPDM，硬度（邵氏A）為60～80（制冷系統(tǒng)中應(yīng)用的圓密封圈為75）；其拉伸強(qiáng)度應(yīng)在10.5MPa以上；斷裂伸長率一般在175%以上；在伸長率50%下的定伸應(yīng)力為1～2MPa；在伸長率**下的定伸應(yīng)力為2～5MPa以上；壓縮變形（150℃，22h）應(yīng)小于20%；其玻璃化轉(zhuǎn)變溫度（TR）比較大為-50℃；耐臭氧老化（50pphm,拉伸20%，72h）應(yīng)無裂紋；對于發(fā)動機(jī)冷卻系統(tǒng)中應(yīng)用的密封件應(yīng)進(jìn)行冷卻液試驗(yàn)（將試樣放于防凍液中，150℃，166h，試驗(yàn)壓力約0.4MPa），其硬度變化應(yīng)為±5，拉伸強(qiáng)度變化應(yīng)為±20%，斷裂伸長率變化應(yīng)為-15%～20%，體積改變應(yīng)在±5%；對于空調(diào)系統(tǒng)中應(yīng)用的密封件，應(yīng)進(jìn)行制冷劑試驗(yàn)（將試樣放于PAG、ND8制冷劑中，100℃，70h）其硬度變化**多為±5，拉伸強(qiáng)度變化**多為±20%，斷裂伸長率變化**多為-15%～20%，體積改變應(yīng)在±5%之內(nèi)；熱老化試驗(yàn)（150℃，70h），其硬度變化應(yīng)為±5，拉伸強(qiáng)度下降應(yīng)小于10%，伸長率的下降不能超過10%。 KEP-2371錦湖客戶至上乙丙橡膠缺點(diǎn)是在室溫下粘度不好，給加工制造帶來困難。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-2371錦湖客戶至上,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000841360025413/6370008413600254138208060.JPG"></div><p> EPDM的應(yīng)用領(lǐng)域1.汽車領(lǐng)域：三元乙丙橡膠主要用于汽車上的耐熱軟管、汽車門窗密封膠條、汽車室內(nèi)的橡膠墊、輪胎白色胎側(cè)膠、防護(hù)罩，乙丙橡膠與PP的改性材料用于制造汽車方向盤、保險杠、駕駛儀表板、擋泥板、空氣導(dǎo)管、汽車風(fēng)扇、散熱格柵及各種管件等。2.建筑防水材料：建筑業(yè)***使用乙丙橡膠作為防水卷材，具有壽命長（約為30年）、強(qiáng)度大、彈性好、防水可靠、施工方便、危險性小等特點(diǎn)。***地應(yīng)用于防水領(lǐng)域，用于房屋、橋梁、隧道、水庫、堤壩等的防水工程3..電線電纜三元制乙丙橡膠不但具有優(yōu)異的電絕緣性能，而且耐臭氧、耐火、耐候、防老化。因此***用作電力電纜、礦用電纜、***艦艇的電線電纜，X射線直流電壓電纜、原子能裝置用電纜等耐熱和耐高壓等技術(shù)要求較高的領(lǐng)域。在工業(yè)發(fā)達(dá)國家，家用電器和辦公設(shè)備耐熱部分也***采用乙丙橡膠作為電線電纜的絕緣材料。另外EPDM具有較高的填料和油類填充性，所以可以填充導(dǎo)電碳黑或其它材料，制得導(dǎo)電或半導(dǎo)電橡膠。 </p><p> 8. EPDM密封條 </p> <p> 乙丙橡膠耐老化性好。它是乙烯和丙烯在催化劑作用下共聚而成。該品具有良好的化學(xué)穩(wěn)定性、耐熱性、耐酸、耐堿性、耐寒性。對于高壓蒸汽和磷酸脂系用乙丙膠制密封件可得到十分滿意的效果。在礦物油中不宜使用，因易泡漲。乙丙橡膠缺點(diǎn)是在室溫下粘度不好，給加工制造帶來困難。硫化時間也長，為此人們研究了三元乙丙膠，即在橡膠分子側(cè)鏈中引進(jìn)不飽和鍵，所以可以用硫磺硫化，同時也便于加工。乙丙橡膠綜合物理機(jī)械性能介于天然膠與丁苯膠之間，與丁基橡膠類似。使用溫度 -45~1 50℃。在一般的橡膠制品中，乙丙膠件使用壽命**長。目前密封條市場主要以三元乙丙（ EPDM ）橡膠為主，且先后被應(yīng)用到門窗、機(jī)柜、汽車等各種行業(yè)，根據(jù)不同行業(yè)的要求，先后研發(fā)出了特有的門窗密封條、機(jī)柜密封條、汽車密封條等產(chǎn)品。在汽車產(chǎn)業(yè)中EPDM市場也受到了新興經(jīng)濟(jì)體生活標(biāo)準(zhǔn)提高的推動。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-2371錦湖客戶至上,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842259005966/6370008422590059664557747.JPG"></div><p> 2. EPDM分子結(jié)構(gòu)和特性; </p> <p> 三元乙丙是乙烯、丙烯和非共軛二烯烴的三元共聚物。二烯烴具有特殊的結(jié)構(gòu)，只有兩鍵之一的才能共聚，不飽和的雙鍵主要是作為交鏈處。另一個不飽和的不會成為聚合物主鏈，只會成為邊側(cè)鏈。三元乙丙的主要聚合物鏈?zhǔn)峭耆柡偷?。這個特性使得三元乙丙可以抵抗熱，光，氧氣，尤其是臭氧。三元乙丙本質(zhì)上是無極性的，對極性溶液和化學(xué)物具有抗性，吸水率低，具有良好的絕緣特性。 </p> <p> 主鏈上沒有雙鍵—耐臭氧耐候性(光，紫外線)，優(yōu)異的耐熱氧老化性(可達(dá) 160℃) </p> <p> 天然碳?xì)錁渲蜏厝犴g性好，優(yōu)異的電性能和耐化學(xué)性能 </p> <p> 低密度高填充—降低膠料成本 </p> <p> 組分范圍寬泛—乙烯含量從低到高，ENB 從 0 到高，分子量范圍寬泛 </p> <p> 在三元乙丙生產(chǎn)過程中，通過改變?nèi)龁误w的數(shù)量，乙烯丙烯比，分子量及其分布以及硫化的方法可以調(diào)整其特性。 EPDM用于制作發(fā)動機(jī)冷卻系統(tǒng)中的密封圈。錦湖EPDM KEP-5770</p><p style="text-indent:25px">為了制備綜合性能更優(yōu)異的橡膠，在技術(shù)上常對乙丙橡膠進(jìn)行極化改性。KEP-2371錦湖客戶至上</p><p style="text-indent:25px">近年來，隨著現(xiàn)代新型橡塑的不斷發(fā)展，人們節(jié)能環(huán)保意識增強(qiáng)，注塑模具加工工業(yè)也隨著變化。在此基礎(chǔ)上，發(fā)展出了各種新興的注射成型技術(shù)。但從整體來看我國與國外塑料模具的優(yōu)先水平相比，依然存在不小的差距。由于國際化工巨頭接連遭受不可抗力、摩擦，國內(nèi)環(huán)保趨嚴(yán)、廢塑料進(jìn)口禁止，導(dǎo)致原材料成本大幅上升，出口放緩，同時受“限塑”新政出臺、家電/汽車行業(yè)產(chǎn)銷增速下滑等因素影響，國化工原料及產(chǎn)品，橡膠，炭黑，色母粒，彈性體行業(yè)生產(chǎn)環(huán)境難以樂觀。眾說周知，模具行業(yè)是鋼鐵行業(yè)穩(wěn)定的客戶，而且是對鋼鐵產(chǎn)品升級的主要推動者，模具行業(yè)升級在一定程度上受制于鋼材的品種、質(zhì)量以及服務(wù)發(fā)展。所以在此基礎(chǔ)上如果部分有限責(zé)任公司不能跟上發(fā)展的大趨勢，終將被淘汰?，F(xiàn)今，產(chǎn)品發(fā)展**科技，吹塑薄膜還可用作食品保鮮等多項(xiàng)應(yīng)用技術(shù)，走新型吹膜機(jī)械制造的道路。吹膜機(jī)的質(zhì)量和吹膜技術(shù)決定了薄膜成形的質(zhì)量，所以一款性能良好的吹膜機(jī)在生產(chǎn)薄膜的過程中表現(xiàn)出良好的市場適應(yīng)能力，提高生產(chǎn)效率的同時，為人們提供便利，促進(jìn)貿(mào)易型發(fā)展。KEP-2371錦湖客戶至上</p><p style="text-indent:25px">上海君宜化工銷售中心（有限合伙）是一家有著雄厚實(shí)力背景、信譽(yù)可靠、勵精圖治、展望未來、有夢想有目標(biāo)，有組織有體系的公司，堅(jiān)持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍(lán)圖，在上海市市轄區(qū)等地區(qū)的橡塑行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻(xiàn)出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強(qiáng)不息，斗志昂揚(yáng)的的企業(yè)精神將**上海君宜化工和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實(shí)守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3102042.html</p></div></div></div></div></div><div id="mbd9tls" class="page-right twoColRt"><div id="m7wyk8l" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3v7p7kh" 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" 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