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alt="找產(chǎn)品網(wǎng)"></a></span><span id="zaaegwx" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務(wù)平臺(tái) </span><div id="qmwyzgn" class="searchbox"><div id="zvgvr38" class="searchLt"><div id="fdaxzyk" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="ptvsubt" class="clearfix searchWrap"><div id="b8liam7" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="uifhj2h" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁(yè)</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a 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class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/junyi/637206627882314453/7330821.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="iczwyfm" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/junyi/637206627882314453/7330821.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7jbdf22" 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>KEP-281F錦湖服務(wù)為先,錦湖</p><p><span>***更新：</span>2020-12-29 10:02:52</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="p78qc8r" 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(wàn)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="qu7kro7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="6f7byvc" class="box"><p><p style="text-indent:25px">氫化丁腈橡膠(HNBR)是一種綜合性能極好、極具發(fā)展?jié)摿Φ奶胤N橡膠。氫化丁腈橡膠（HNBR）與腈橡膠（NBR）相比，其分子主鏈上的碳-碳雙鍵（C=C）少，化學(xué)結(jié)構(gòu)穩(wěn)定，具有優(yōu)異的耐油，KEP-281F錦湖服務(wù)為先、耐腐蝕，耐低溫、耐高溫、耐熱氧老化，KEP-281F錦湖服務(wù)為先、耐動(dòng)態(tài)疲勞和耐臭氧性能，可耐150～170℃高溫，其耐寒性能優(yōu)于氟橡膠，耐酸性汽油是普通丁腈橡膠(NBR)的5倍多，耐磨性比普通NBR提高50%以上，熱降解溫度隨著氫化度的提高而提高，比NBR高30～40℃，KEP-281F錦湖服務(wù)為先，其優(yōu)異的耐新型制冷劑、耐硫化氫性能更是無以倫比。因而，它作為高性能膠管、膠帶、密封和減震零部件、膠輥、特殊電線電纜等制品的材料，在高鐵、航空、新能源、汽車、石油等重大工業(yè)領(lǐng)域，具有其他材料無法替代的作用。三元乙丙橡膠制品在120℃下可長(zhǎng)期使用，在150～200℃下可短暫或間歇使用。KEP-281F錦湖服務(wù)為先</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-281F錦湖服務(wù)為先,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627882314453/7330821.jpg"></div><p> 2. EPDM在液壓制動(dòng)用軟管和圓密封圈中的應(yīng)用 </p> <p> 利用EPDM耐制動(dòng)液（DOT3、DOT4、DOT5（硅油基））的特性，用于液壓制動(dòng)軟管內(nèi)膠層和制動(dòng)泵中的密封圈的制作。此類產(chǎn)品接觸的主要介質(zhì)是制動(dòng)液，使用溫度在-40℃～120℃之間，短期耐熱溫度可達(dá)135℃。此類零件采用的EPDM，硬度（邵氏A為80其拉伸強(qiáng)度應(yīng)在10.5MPa以上斷裂伸長(zhǎng)率一般在175%以上；在伸長(zhǎng)率50%下的定伸應(yīng)力為2.5～4MPa；在伸長(zhǎng)率**下的定伸應(yīng)力為8MPa以上；壓縮變形（100℃，22h）應(yīng)小于40%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；制動(dòng)液試驗(yàn)（將試樣放于制動(dòng)液中，150℃，70h）其硬度變化應(yīng)為5，拉伸強(qiáng)度變化應(yīng)為±20%，伸長(zhǎng)率變化應(yīng)為-15%～20%，體積改變應(yīng)在±5%；熱化試驗(yàn)（125℃，70h），其硬度變化應(yīng)為±5，拉伸強(qiáng)度變化應(yīng)為±15%，伸長(zhǎng)率的下降不能超過15%。錦湖KUMHO高填充三元乙丙膠第三二烯烴類型的單體是通過乙烯和丙烯的共聚，在聚合物中產(chǎn)生不飽和，以便實(shí)現(xiàn)硫化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-281F錦湖服務(wù)為先,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842428031661/6370008424280316619947092.JPG"></div><p> EPDM用于制作發(fā)動(dòng)機(jī)用水管， </p> <p> 其內(nèi)、外膠層均采用EPDM材料制造。此類產(chǎn)品接觸的介質(zhì)是防凍液、陽(yáng)光、水、臭氧，使用溫度在-40℃～125℃，短期耐熱溫度可達(dá)150℃。 </p> <p> 此類零件采用的EPDM，硬度（邵氏A）為65；其拉伸強(qiáng)度應(yīng)在10.5MPa以上；斷裂伸長(zhǎng)率在300%以上；在伸長(zhǎng)率50%下的定伸應(yīng)力為1～2MPa；伸長(zhǎng)率**下的定伸應(yīng)力為2～4.5MPa以上；壓縮殘余變形（100℃，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；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(zhǎng)率變化應(yīng)為-15%～20%，體積改變應(yīng)在±5%；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(zhǎng)率的下降不能超過10%。 </p><p> 8.EPDM粘貼成型EPDM缺少活性基團(tuán)，內(nèi)聚能低，分子鏈段擴(kuò)散性極小，加上膠料容易噴霜，給粘貼成型工藝，尤其是制造多層結(jié)構(gòu)的制品如輪胎胎側(cè)、輸送帶、屋頂材料、膠輥、襯里等帶來較大的困難。一般可以采?。?）保持需粘合表面新鮮不被污染或用化學(xué)溶液或溶劑處理需粘合的表面；2）在需粘合的表面涂膠粘劑；3）提高粘合部位的溫度、壓力和平整度；4）與其它含活性基團(tuán)的高聚物并用；5）在膠料中加5~10份增粘劑；6）適當(dāng)提高增塑劑的用量；7）采用中間層膠或涂膠液等辦法來提高粘合力。其中比較簡(jiǎn)單有效地提高粘合力的辦法是提高溫度和壓力。非反應(yīng)性烷基酚醛樹脂增粘效果較好，但同時(shí)也使硫化膠物理機(jī)械性能下降，如彈性下降，長(zhǎng)久變形增大，硫化速度減慢。提高三元乙丙橡膠的粘合力除加增粘劑外，還可在膠料中加由膠粘劑RE、膠黏劑A和白炭黑或膠黏劑RH、膠黏劑A和白炭黑組成的粘合體系，其中白炭黑要選用沉淀法活性白炭黑。此法的缺點(diǎn)是價(jià)格較高。在汽車產(chǎn)業(yè)中EPDM市場(chǎng)也受到了新興經(jīng)濟(jì)體生活標(biāo)準(zhǔn)提高的推動(dòng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-281F錦湖服務(wù)為先,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000895777200136/6370008957772001362287998.JPG"></div><p> EPDM汽車傳動(dòng)帶中的應(yīng)用 </p> <p> 近年來，多楔帶在汽車得到普遍應(yīng)用，而發(fā)動(dòng)機(jī)室的溫度越來越高，有的要求橡膠件能耐１５０℃，瞬間能耐１７０℃．，傳統(tǒng)氯丁橡膠（ＣＲ）顯然達(dá)不到要求。由于ＨＮＢＲ過于昂貴，人們?cè)谘芯堪l(fā)現(xiàn)小量的油污并不對(duì)發(fā)動(dòng)機(jī)前端的皮帶造成損害，可使用較廉價(jià)耐熱性好多的三元乙丙橡膠（ＥＰＤＭ）作為多楔帶主體橡膠材料。但ＥＰＤＭ耐磨性、高溫抗撕裂和動(dòng)態(tài)性能不理想，與其它材料粘合差，這些都需要通過改性如添加ＺＤＡ或ＺＤＭＡ和與其它材料并用加以解決。 </p> <p> 汽車Ｖ帶一般用綜合性能優(yōu)異的ＣＲ制造，近年來與上述ＥＰＤＭ多楔帶同樣的原因，開始用ＥＰＤＭ生產(chǎn)。但汽車Ｖ帶傳動(dòng)受力機(jī)理與多楔帶有很大不同，對(duì)壓縮膠的耐曲撓、耐磨性，抗拉體線繩、織物的黏合性以及帶的橫向剛性比多楔帶有更高的要求。ＧＡＴＥＳ公司推出的ＦｌｅｅｔＲｕｎｎｅｒ汽車Ｖ帶（在中國(guó)稱為ＥＸＰｏｗｅｒ），據(jù)報(bào)道實(shí)際使用壽命能達(dá)到４０００００km以上其它性能也優(yōu)于ＣＲ汽車Ｖ帶，尤其是耐高低溫性能，可在-５５~１２０℃正常使用，做到全天候使用。 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。KEP-281F錦湖服務(wù)為先</p><p style="text-indent:25px">三元乙丙橡膠(EPDM)常用依據(jù)不同的性能要求可使用硫黃、過氧化物及樹脂硫化。KEP-281F錦湖服務(wù)為先</p><p> EPDM密煉相關(guān) </p> <p> 密煉時(shí)的注意事項(xiàng) </p> <p> 1)內(nèi)部混合時(shí)投入量以缸膛凈容積NCV)的體積為基準(zhǔn)，填充759%-85%。 </p> <p> 2)混煉溫度的適當(dāng)范圍大概是130-160C，但隨著內(nèi)部攪拌器的形式、冷卻方式、爐量、混合劑的種類和量等的不同而出現(xiàn)差異。 </p> <p> 3)右下向上法若在填充劑、加工原料油大量混合時(shí)使用，短時(shí)間內(nèi)即可進(jìn)行混煉。 </p> <p> 密煉煉時(shí)的檢查項(xiàng)目 </p> <p> 在現(xiàn)場(chǎng)進(jìn)行內(nèi)部混煉時(shí)，容易發(fā)生分散不良、物性不良等問題，為防止發(fā)生這些問題，要注意如下檢查點(diǎn)。 </p> <p> l 產(chǎn)品的特點(diǎn)與混合方法(混煉模式)是否選擇正確? </p> <p> l 選擇的聚合體的形態(tài)是?(大包、松散塊狀、顆粒狀、碎屑等) </p> <p> l 批量號(hào)投入適量嗎? </p> <p> l 投入物的種類、形態(tài)、重量準(zhǔn)確嗎? </p> <p> l 攪拌器的Ram壓力適當(dāng)嗎?沖壓跳動(dòng)程度及混煉聲音。循環(huán)水的溫度準(zhǔn)確嗎? </p> <p> l 連續(xù)混煉時(shí)攪拌器內(nèi)部溫度的上升程度? </p> <p> l 轉(zhuǎn)子的旋轉(zhuǎn)速度及清理。排出溫度以及時(shí)間準(zhǔn)確嗎? </p> <p> l 被排出的混合物的形態(tài)及排出狀態(tài)是?(有無未分散的塊?) </p> <p> l 被排出的混合物的氣味(具有揮發(fā)性物質(zhì)的氣味) </p> <p> l 攪拌器的溫度圖表、耗電圖表狀態(tài)正常嗎? </p> <p> l 季節(jié)性因素：大氣溫度、原材料的保管狀態(tài)及溫度、中間材料的保管狀志及溫度 </p> <p> l 有無**近更換的原材料、輔助材料? </p> <p> l 自動(dòng)計(jì)量狀態(tài)是否良好? KEP-281F錦湖服務(wù)為先</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(lì)精圖治、展望未來、有夢(mèng)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(chéng)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(jī)，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠(chéng)實(shí)守信的方針，員工精誠(chéng)努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場(chǎng)，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2615340.html</p></div></div></div></div></div><div id="h8awn2q" class="page-right twoColRt"><div id="rglifho" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wldvceb" 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" 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