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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="npn5fdl" class="twoCol"><div id="lxnvrnt" 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密封圈用三元乙丙膠歡迎咨詢上海君宜化工供應(yīng)</p><div id="pvltjfv" class="leftbox clearfix"><h1>錦湖KUMHO密封圈用三元乙丙膠歡迎咨詢上海君宜化工供應(yīng)</h1><div id="thnltrx" class="proBig"><div id="x97hxdz" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000894082705303/6370008940827053032001643.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ftbpftj" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000894082705303/6370008940827053032001643.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vbzfndl" 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密封圈用三元乙丙膠,錦湖</p><p><span>***更新：</span>2021-01-30 01:02:46</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="f9vjrpf" 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="xjz9jzf" class="page-proshow02"><p class="title">詳細說明</p><div id="bhhxvjr" class="box"><p><p> 8. EPDM門窗密封條&機柜密封條 </p> <p> 門窗密封條的分類：塑鋼門窗密封條，鋁合金門窗密封條，木門密封條，冷 </p> <p> 庫門密封條，糧庫門密封條，阻燃門窗密封條，玻璃密封條，自動旋轉(zhuǎn)門密封條，建筑門密封條，幕墻密封條等。門窗密封條特點：塑鋼門窗密封條是近年來應(yīng)用較廣的新一代門窗，它較普通門窗密封條有更好的防腐性、耐候性、降噪隔熱效果。塑鋼門窗密封條表面光潔，不但具有優(yōu)異的密封防水性能，還起著美觀裝飾的作用。在選材方面，一般要求較高的廠家都選用三元乙丙橡膠或熱塑性三元乙丙橡膠。 </p> <p> 機柜密封條：電氣柜密封條是由具有良好彈性和抗壓縮變形、耐老化、臭氧，錦湖KUMHO密封圈用三元乙丙膠、化學(xué)作用，錦湖KUMHO密封圈用三元乙丙膠，錦湖KUMHO密封圈用三元乙丙膠、較寬的使用溫度范圍（ -40℃~1 20℃）的三元乙丙橡膠 (EPDM) 橡膠發(fā)泡與密實復(fù)合而成，內(nèi)含獨特的金屬夾具和舌形扣，堅固耐用 . 在各種電氣柜上起著很關(guān)鍵的作用。三元乙丙橡膠制品在120℃下可長期使用，在150～200℃下可短暫或間歇使用。錦湖KUMHO密封圈用三元乙丙膠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO密封圈用三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000894082705303/6370008940827053032001643.JPG"></div><p> 素材 </p> <p> 很多試驗表明，膠相結(jié)構(gòu)的粗細程度對硫化膠物理機械性能的影響 </p> <p> 不大，但是我們以大小與上述相結(jié)構(gòu)粗細相當(dāng)?shù)牧Ｗ幼鳛樘盍蟻泶嬉环N橡膠時，則在這個含有相同大小尺寸的填料的填充橡膠中，其物理性能會有很大的差別，這是由于在并用膠中存在連續(xù)相與分散相的膠相結(jié)構(gòu)，在填充橡膠中，也存在著一橡膠為連續(xù)相，包圍著以填料為分散相的結(jié)構(gòu)在純膠并用膠中，分散相和連續(xù)相橡膠，當(dāng)這個硫化膠受外力拉伸變形時，兩相都可以變形，并有一定的結(jié)合力存在，因此，在外界上沒有過分應(yīng)力集中，不易產(chǎn)生相分離現(xiàn)象。雖然膠相中盡管有粗細之分，但物理機械性能上差異不大，但在拉伸時，分散相不能變形的填料橡膠中，填料的粒徑增加，應(yīng)力集中越嚴重，兩相產(chǎn)生分離而導(dǎo)致拉斷強度下降。有些并用膠性能與膠相結(jié)構(gòu)大小尺寸有關(guān)。例如，對抗臭氧腐蝕性能，膠相區(qū)域的大小是有影響的。在丁苯橡膠與三元乙丙橡膠并用中，膠相區(qū)域越小，抗臭氧能力越大，因為膠相區(qū)域小了，丁苯橡膠的裂紋就被三元乙丙橡膠所阻隔，使裂紋不能穿過三元乙丙橡膠，因而**提高了抗臭氧侵蝕的能力。溴化丁基共混錦湖三元乙丙膠因此使用橡膠產(chǎn)品要求性能上年然而，在不能準確把任何時候添加材料，都可能成為泄漏、起霜等負面因素。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO密封圈用三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627882236328/2540016.jpg"></div><p> . 乙烯丙烯比 </p> <p> 乙烯丙烯比可以在硫化階段進行改變，商業(yè)的三元乙丙聚合物乙烯丙烯比由80/20到50/50。當(dāng)乙烯丙烯比由50/50變化到80/20時，正面的影響有：更高的壓坯強度，更高的拉伸強度，更高的結(jié)晶化，更低的玻璃體轉(zhuǎn)化溫度，能將原材料聚合物轉(zhuǎn)化成丸狀，以及更好的擠出特性。不好的影響就是不好的壓延混合性，較差的低溫特性，以及不好的壓縮形變。 </p> <p> <p> . 乙烯丙烯比 </p> <p> 乙烯丙烯比可以在硫化階段進行改變，商業(yè)的三元乙丙聚合物乙烯丙烯比由80/20到50/50。當(dāng)乙烯丙烯比由50/50變化到80/20時，正面的影響有：更高的壓坯強度，更高的拉伸強度，更高的結(jié)晶化，更低的玻璃體轉(zhuǎn)化溫度，能將原材料聚合物轉(zhuǎn)化成丸狀，以及更好的擠出特性。不好的影響就是不好的壓延混合性，較差的低溫特性，以及不好的壓縮形變。 </p> </p><p> 三元乙丙膠性能特點：與其他常用的通用橡膠或特種橡膠相比，三元乙丙橡膠的主要性能優(yōu)勢在于以下幾方面：(1)性價比高，生膠密度只有～，是生膠密度**輕的常用橡膠；且可大量填充以降低膠料成本。(2)優(yōu)異的耐老化特性，耐天候、耐臭氧、耐日光、耐熱、耐水、耐水蒸氣、耐紫外線、耐輻射等老化性能，在與其他不飽和的二烯類橡膠如NR、SBR、BR、NBR、和CR等并用時，EPDM可起到高分子抗氧劑或防老劑的作用。(3)優(yōu)異的耐化學(xué)藥品特性，耐酸、堿、洗滌劑、動植物油、醇、酮等；杰出的耐水、耐過熱水、耐水蒸氣性能；耐極性油性能。(4)優(yōu)良的絕緣性能，體積電阻率1016Q·cm、擊穿電壓30～40MV/m、介電常數(shù)(1kHz，20℃)。(5)適用溫度范圍廣，比較低使用溫度-40～-60℃，可長期在130℃條件下使用。普通牌號的乙丙橡膠即使不加入耐熱型防老劑，也具有良好的耐高溫性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO密封圈用三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000841714986333/6370008417149863335129123.JPG"></div><p> EPDM密煉相關(guān) </p> <p> 密煉時的注意事項 </p> <p> 1)內(nèi)部混合時投入量以缸膛凈容積NCV)的體積為基準，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使用，短時間內(nèi)即可進行混煉。 </p> <p> 密煉煉時的檢查項目 </p> <p> 在現(xiàn)場進行內(nèi)部混煉時，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。 </p> <p> l 產(chǎn)品的特點與混合方法(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 批量號投入適量嗎? </p> <p> l 投入物的種類、形態(tài)、重量準確嗎? </p> <p> l 攪拌器的Ram壓力適當(dāng)嗎?沖壓跳動程度及混煉聲音。循環(huán)水的溫度準確嗎? </p> <p> l 連續(xù)混煉時攪拌器內(nèi)部溫度的上升程度? </p> <p> l 轉(zhuǎn)子的旋轉(zhuǎn)速度及清理。排出溫度以及時間準確嗎? </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 自動計量狀態(tài)是否良好? 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 KEP-570F</p><p style="text-indent:25px">現(xiàn)階段在EPDM橡膠的生產(chǎn)中常用的制作工藝主要有三種，分別為：懸浮聚合法、溶液聚合法及氣相聚合法。錦湖KUMHO密封圈用三元乙丙膠</p><p> EPDM擠出成型 </p> <p> 橡膠的擠出成型始于內(nèi)胎成型，逐漸被廣泛應(yīng)用于汽車用內(nèi)飾材料、外飾材料、建筑用材料、管道、電線等領(lǐng)域特別是由于三元乙內(nèi)橡膠的擠壓物表面光滑干凈，主要用于維持形狀等物理特點要求高的地方， </p> <p> 為制造良好的KP三元乙丙橡膠擠出物，必須考慮如下要求特點。 </p> <p> l 分子量 </p> <p> l 分子量分布(MWD) </p> <p> l 乙烯丙烯的組成分布 </p> <p> l 填充劑的種類及擠壓加工性 </p> <p> l 硫化計 </p> <p> 分子量的大小主要反應(yīng)在生膠的門尼上，較低的門尼粘度有助于橡膠的順利擠出，分子量分布寬擠出性能優(yōu)異，乙烯含量對擠出性能會有相對正向的影響，填料方面，炭黑、碳酸鈣相對于白炭黑而言更利于擠出。 </p> <p> 進行擠出加工時主要發(fā)生的問題包括擠壓量、沖模膨脹、形狀維持性、擠壓物的表面狀態(tài)、給料性等，為解決這些問題，必須注意聚合體的選擇以及填充劑的選擇。錦湖KUMHO密封圈用三元乙丙膠</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，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: http://www.cdcfah.com/cp/3069204.html</p></div></div></div></div></div><div id="j9zxfl9" class="page-right twoColRt"><div id="5pjz9nv" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jhxdthx" 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(yīng)" class="vcenter" 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