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id="cry3dfr" class="twoCol"><div id="nbjvkyq" 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>?錦湖KUMHO KEP-350 誠信為本上海君宜化工供應(yīng)</p><div id="mfwd8c3" class="leftbox clearfix"><h1>錦湖KUMHO KEP-350 誠信為本上海君宜化工供應(yīng)</h1><div id="uy2m2ys" class="proBig"><div id="hbvc4cj" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/junyi/637206627878242187/1760413.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="33y8qah" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/junyi/637206627878242187/1760413.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8u8oi9g" 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>錦湖KUMHO KEP-350,錦湖</p><p><span>***更新：</span>2021-02-06 10:03:13</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3wfm4s2" 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: </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="8ovh9ce" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ziv3egd" class="box"><p><p> 8.輪胎用EPDM選擇胎側(cè)：輪胎胎側(cè)是輪胎側(cè)向變形比較大的部位,又與大氣直接接觸，錦湖KUMHO KEP-350,要求膠料的耐屈撓性能、耐臭氧性能和耐天候老化性能良好。在胎側(cè)膠配方中添加少量防護蠟可對輪胎胎側(cè)起靜態(tài)防護作用,但在動態(tài)條件下防護作用**減弱,輪胎在使用一段時間后胎側(cè)仍會出現(xiàn)大量龜裂。EPDM具有突出的耐臭氧性能、耐天候性能和耐熱性能，并用少量的EPDM可以***提高胎側(cè)的耐臭氧、耐候性能和耐裂口增長性能。推薦牌號：錦湖KEP5560推薦理由：窄分子量分布，超高的ENB含量，硫化速度快，錦湖KUMHO KEP-350，用于輪胎制品時能夠很好的與NR、SBR等二烯類橡膠共混，保證良好的物理性能內(nèi)胎：因具有良好的氣密性能和耐熱性能而在輪胎內(nèi)胎中得到廣泛應(yīng)用"但其加工性能較差存在膠料收縮大&滯后生熱大和加油后易粘輥等問題并且老化時分子鏈傾向于斷裂導(dǎo)致使用后期膠料發(fā)粘嚴(yán)重時造成內(nèi)外胎粘在一起。 EPDM改性樹脂，除了EPDM改性PP、PE聚烯烴樹脂外，錦湖KUMHO KEP-350，環(huán)氧化、馬來酸酸化的EPDM還可增韌PBT、PA等極性樹脂。錦湖KUMHO KEP-350</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO KEP-350,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627878242187/1760413.jpg"></div><p> EPDM耐熱輸送帶中的應(yīng)用 </p> <p> 耐熱輸送帶廣泛應(yīng)用于冶金、焦化、建材等高溫作業(yè)環(huán)境中，主要輸送燒結(jié)礦石、焦炭和水泥等高溫固體物料，由于冷卻不充分，物料溫度瞬間可達４００℃～６００℃，部分高達８００℃以上，因此輸送帶必須具有非常高的耐熱性。三元乙丙橡膠（ＥＰＤＭ）具有優(yōu)良的耐高低溫性能（一５０～１２５℃），在通用橡膠中具有比較好耐熱性能，在１２５℃下可長期使用，在１５０＂Ｃ或更高溫度下短期使用，因此它可用作耐熱輸送帶覆蓋層橡膠材料。 </p> <p> 耐熱輸送帶按ＧＢ／ＴＧＢ／Ｔ２００２１－－２００５《帆布芯耐熱輸送帶》規(guī)定，按試驗溫度不同分為四個等級：Ｔ１，可耐熱不大于１００℃的試驗溫度；Ｔ２，耐熱不大于１２５℃的試驗溫度；Ｔ３，可耐熱不大于１５０＂Ｃ的試驗溫度；Ｔ４，可耐熱不大于１７５℃的試驗溫度。其中Ｔ３和Ｔ４一般需用ＥＰＤＭ制造。 </p> <p> <br /> 錦湖KUMHO KEP-350三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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO KEP-350,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000897074156693/6370008970741566935962147.JPG"></div><p> 乙丙膠的發(fā)展 </p> <p> 乙丙橡膠是齊格勒——納塔立體有規(guī)催化體系開發(fā)后發(fā)展起來的一種介于通用橡膠和特種橡膠之間的合成橡膠。１９５０年后納塔（Ｎａｔｔａ）等發(fā)現(xiàn)了新型聚合催化劑，于是采用立體有規(guī)性催化劑進行烯烴聚合的研究逐漸開展起來，特別是將石油所大量產(chǎn)生的乙烯、丙烯等烯烴試行聚合，乙烯和丙烯的共聚物特別表現(xiàn)出橡膠彈性。這種聚合物的特點是：在分子排列上很象天然橡膠，但物理性能優(yōu)異，基本原料價廉。它作為合成橡膠于１９５９年首先由意大利蒙特卡蒂尼（Ｍｏｎｔｉｃａｔｉｎｉ）公司的海洛特工廠商品化，這是所謂（二元乙丙橡膠）。這種橡膠主鏈不含雙鍵，是與以往合成橡膠完全不同的一類橡膠。一方面因該橡膠不含雙鍵致使耐熱性、耐天候性、耐臭氧性和耐化學(xué)藥品性十分優(yōu)越。另一方面由于不含雙鍵的緣故而不能采用硫黃硫化法使之交聯(lián)，但在１９６２年通過加入第三單體的方法而使它變成可用硫黃硫化的橡膠。 </p><p> EPDM用于制作發(fā)動機用水管， </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、陽光、水、臭氧，使用溫度在-40℃～125℃，短期耐熱溫度可達150℃。 </p> <p> 此類零件采用的EPDM，硬度（邵氏A）為65；其拉伸強度應(yīng)在10.5MPa以上；斷裂伸長率在300%以上；在伸長率50%下的定伸應(yīng)力為1～2MPa；伸長率**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（將試樣放于防凍液中，150℃，166h，試驗壓力約0.4MPa），其硬度變化應(yīng)為±5，拉伸強度變化應(yīng)為±20%，斷裂伸長率變化應(yīng)為-15%～20%，體積改變應(yīng)在±5%；熱老化試驗（150℃，70h），其硬度變化應(yīng)為±5，拉伸強度下降應(yīng)小于10%，伸長率的下降不能超過10%。乙丙橡膠的**主要缺點是硫化速度慢；與其它不飽和橡膠并用難，自粘和互粘性都很差，故加工性能不好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO KEP-350,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627883652344/9318757.jpg"></div><p> 8. 密封條用EPDM選擇 </p> <p> 錦湖EPDM在密封條配方中應(yīng)用推薦： </p> <p> 汽車密封條一般有以下幾種結(jié)構(gòu)：密實膠（單一硬度為密實膠，不同硬度則為復(fù)合膠料）；海綿膠與密實膠雙復(fù)合；海綿膠、密實膠與骨架三復(fù)合；四復(fù)合、多復(fù)合等。 </p> <p> <br /> </p> <p> 密實膠配合要點: </p> <p> 生膠要求:高門尼，中高乙烯，中等ENB </p> <p> 配方總份數(shù): 350phr-500phrr </p> <p> 關(guān)鍵性能: </p> <p> 混煉分散性 </p> <p> 擠出性能硬度 </p> <p> 拉伸、壓變等。 </p> <p> <br /> </p> <p> 配方設(shè)計: </p> <p> 高填充牌號: KEP570F、KEP5770、KEP281F、KEP282F、 </p> <p> **牌號:KEP2380 </p> <p> 接角牌號:KEP980N, KEP4640E, KEP2320, KEP330 </p> <p> <br /> </p> <p> 發(fā)泡膠配合要點： </p> <p> 生膠要求: </p> <p> 高門尼，中低等乙烯含量，高第三單體含量 </p> <p> <br /> </p> <p> 總份數(shù): 280-350份 </p> <p> 含膠率: 27%-32% </p> <p> 關(guān)鍵性能:擠出挺性好、外觀光滑優(yōu)良，發(fā)泡均勻 </p> <p> 關(guān)鍵性能:壓縮荷重、壓變、密度 </p> <p> 配方設(shè)計: KEP2480、KEP9590 (高壓變，回彈) 在汽車產(chǎn)業(yè)中EPDM市場也受到了新興經(jīng)濟體生活標(biāo)準(zhǔn)提高的推動。錦湖KUMHO KEP-350</p><p style="text-indent:25px">乙丙橡膠有優(yōu)異的耐水蒸氣性能并優(yōu)于其耐熱性。錦湖KUMHO KEP-350</p><p> 硫化類型三元乙丙可以利用有機過氧化物或者硫來進行硫化。但是，相比與硫磺硫化，過氧化物交鏈的三元乙丙用于電線電纜工業(yè)時具有更高的溫度抗性，更低的壓縮形變以及改進的硫化特性。過氧化物硫化的不好的地方就在于更高的成本。正如前面所提到的，三元乙丙的交鏈速度和硫化時間隨著硫化類型和含量而改變。當(dāng)三元乙丙與丁基，天然橡膠，丁苯橡膠混合時，在選擇合適的三元乙丙產(chǎn)品時，必須要考慮到下列因素：當(dāng)與丁基進行混合時，由于丁基具有較低的不飽和度，為適應(yīng)丁基的硫化速度，比較好選擇相對較低含量的DCPD和ENB含量的三元乙丙。當(dāng)與天然橡膠和丁苯橡膠混合時，比較好選擇8%到10%ENB含量的三元乙丙，以滿足其硫化速度。三元乙丙橡膠是由乙烯、丙烯經(jīng)溶液共聚合而成的橡膠，再引入第三單體（ENB）。三元乙丙橡膠基本上是一種飽和的高聚物，耐老化性能非常好、耐天候性好、電絕緣性能優(yōu)良、耐化學(xué)腐蝕性好、沖擊彈性較好。乙丙橡膠的**主要缺點是硫化速度慢；與其它不飽和橡膠并用難，自粘和互粘性都很差，故加工性能不好。錦湖KUMHO KEP-350</p><p style="text-indent:25px">上海君宜化工銷售中心（有限合伙）是一家有著雄厚實力背景、信譽可靠、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)新理念以及自強不息，斗志昂揚的的企業(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: 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