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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="k92miuq" class="twoCol"><div id="8gs7mjv" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jzjc/">建筑、建材</a>?<a href="http://www.cdcfah.com/cp/second-jzjc_gntl/">功能涂料</a>?<a href="http://www.cdcfah.com/cp/third-gntl_fftl/">防腐涂料</a>?江蘇環(huán)保達(dá)克羅服務(wù)為先常州捷邁特表面工程技術(shù)供應(yīng)</p><div id="3ear2gy" class="leftbox clearfix"><h1>江蘇環(huán)保達(dá)克羅服務(wù)為先常州捷邁特表面工程技術(shù)供應(yīng)</h1><div id="izq72yu" class="proBig"><div id="u7m49n8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13915042526/637333458032021484/75361.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vbcbn8d" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13915042526/637333458032021484/75361.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kt8gclc" 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>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>江蘇環(huán)保達(dá)克羅,達(dá)克羅</p><p><span>***更新：</span>2020-10-30 05:20:52</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="yrnul38" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">常州捷邁特表面工程技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>張建平</p><p><span>郵箱: </span>2228205437@qq.com</p><p><span>電話: </span>13806111697</p><p><span>傳真: </span>0519_89886107</p><p><span>網(wǎng)址: </span>http://www.jmtdacromet.com</p><p><span>手機(jī): </span>0519-89886107</p><p><span>地址: </span>昆侖路35號(hào)</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="qjamdho" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="u3lmdzq" class="box"><p><p style="text-indent:25px">單獨(dú)檢測(cè)經(jīng)達(dá)克羅處理的墊圈抗腐蝕性能良好，經(jīng)過(guò)72h鹽霧試驗(yàn)未發(fā)生任何銹蝕；與不銹鋼螺栓配合使用時(shí)，它的抗腐蝕性能明顯下降，經(jīng)過(guò)24h鹽霧試驗(yàn)就開(kāi)始發(fā)生銹蝕。達(dá)克羅涂層中Zn的電位為-0.762,而不銹鋼的電位為正，兩者之間存在著較大電位差，在水介質(zhì)中會(huì)發(fā)生電偶腐蝕。2種金屬構(gòu)成宏電池，江蘇環(huán)保達(dá)克羅，產(chǎn)生電偶電流，使電位較低的達(dá)克羅涂層溶解加速（Zn=Zn2++2e)，江蘇環(huán)保達(dá)克羅。當(dāng)涂層溶解到一定程度后，鎖緊墊圈的基材就暴露在潮濕空氣中，達(dá)克羅涂層就失去了它的防腐蝕功能，從而造成了彈簧鋼（鎖緊墊圈）的生銹，江蘇環(huán)保達(dá)克羅。達(dá)克羅的不同的表面處理工藝會(huì)產(chǎn)生不同的摩擦系數(shù)，摩擦系數(shù)較高時(shí)，螺栓的防松性能相對(duì)較好。江蘇環(huán)保達(dá)克羅</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇環(huán)保達(dá)克羅,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333458032021484/75361.png"></div><p style="text-indent:25px">金屬的表面處理有很多種，像我們常見(jiàn)的有電鍍，發(fā)黑，磷化等等，有一種表面處理叫達(dá)克羅，相信很多人都比較陌生，也許見(jiàn)到過(guò)這種表面處理后的產(chǎn)品，但并不知道它使用的是達(dá)克羅處理工藝。達(dá)克羅這個(gè)名字是英文DACROMET的音譯，也被人們稱為達(dá)克銹或者是達(dá)克龍，它是一種將金屬鋁，鋅以及鉻酸作為主要涂覆原料的新型金屬表面防腐蝕涂料。使用達(dá)克羅的基體材料主要是鋼鐵和有色金屬，通過(guò)涂覆液與金屬基體發(fā)生反應(yīng)后，在其表面會(huì)形成一層銀灰色防腐蝕薄膜，能將基體與空氣隔絕開(kāi)起到保護(hù)工件的作用。啟東達(dá)克羅產(chǎn)品由于汽車零配件對(duì)于穩(wěn)定性、防熱、防水防潮及防蝕性能等都有較高的要求，對(duì)達(dá)克羅涂料的引用提出了新要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇環(huán)保達(dá)克羅,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457569833984/788425.png"></div><p style="text-indent:25px">達(dá)克羅是一種新型的表面處理技術(shù)，與傳統(tǒng)的電鍍工藝相比，達(dá)克羅是一種“綠色電鍍”。其優(yōu)勢(shì)有以下幾點(diǎn)：很強(qiáng)的耐蝕性能：達(dá)克羅膜層的厚度*為4-8μm，但其防銹效果卻是傳統(tǒng)電鍍鋅、熱鍍鋅或涂料涂覆法的7-10倍以上。采用達(dá)克羅工藝處理的標(biāo)準(zhǔn)件、管接件經(jīng)耐鹽霧試驗(yàn)1200h以上未出現(xiàn)紅銹。無(wú)氫脆性：達(dá)克羅的處理工藝決定了達(dá)克羅沒(méi)有氫脆現(xiàn)象，所以達(dá)克羅非常適合受力件的涂覆。高耐熱性：達(dá)克羅可以耐高溫腐蝕，耐熱溫度可達(dá)300℃以上。而傳統(tǒng)的鍍鋅工藝，溫度達(dá)到100℃時(shí)就已經(jīng)起皮報(bào)廢了。</p><p style="text-indent:25px">表面達(dá)克羅處理的鎖緊墊圈在使用過(guò)程中出現(xiàn)生銹問(wèn)題的原因是：在緊固件選型過(guò)程中沒(méi)有考慮到碳鋼達(dá)克羅涂層和不銹鋼的電位差較大，再加上使用環(huán)境惡劣，有水介質(zhì)存在，造成腐蝕加速?？紤]到鎖緊墊圈的使用環(huán)境較惡劣（室外），根據(jù)電偶腐蝕原理，同一機(jī)構(gòu)中應(yīng)盡可能用同一種金屬，或者電位盡可能接近的兩種金屬，并用絕緣物使之隔開(kāi)，避免產(chǎn)生電偶腐蝕。因此，確定采用不銹鋼A4的鎖緊墊圈替代彈簧鋼墊圈。達(dá)克羅是目前表面處理使用比較多的，另外氧化、磷化也挺多。達(dá)克羅螺栓耐高溫腐蝕，耐熱溫度可達(dá)300℃以上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇環(huán)保達(dá)克羅,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457712724609/3077365.png"></div><p style="text-indent:25px">無(wú)鉻鋅鋁涂層（鋅鋁涂層）是將無(wú)鉻鋅鋁涂料浸涂、刷涂或噴涂于鋼鐵零件或構(gòu)件表面，經(jīng)過(guò)烘烤而形成的以鱗片狀鋅為主要成分的無(wú)機(jī)防腐蝕涂層，其外觀呈銀灰色，是一種將超細(xì)鋅鱗片和鋁鱗片疊合包裹在特殊粘結(jié)劑中制成的無(wú)機(jī)涂層。無(wú)鉻鋅鋁涂層完全保留了達(dá)克羅技術(shù)高抗蝕性、涂層薄、無(wú)氫脆的優(yōu)點(diǎn)，有效地解決了有害的Cr6+的問(wèn)題，從真正意義上實(shí)現(xiàn)了清潔生產(chǎn)。無(wú)鉻鋅鋁涂層（交美特）由于不使用有毒的金屬（如鎳、鉛、鋇等）以及六價(jià)鉻或三價(jià)鉻，符合環(huán)保標(biāo)準(zhǔn)要求。因此其逐漸在風(fēng)力電機(jī)組螺栓、螺母墊片等一些緊固件防腐蝕方面上得到推廣應(yīng)用。達(dá)克羅的免清洗焊接技術(shù)是目前電子裝配行業(yè)普遍使用的一種實(shí)用技術(shù)。徐州達(dá)克羅涂液廠家</p><p style="text-indent:25px">達(dá)克羅是DACROMET譯音和縮寫，簡(jiǎn)稱達(dá)克羅、達(dá)克銹、迪克龍。江蘇環(huán)保達(dá)克羅</p><p style="text-indent:25px">達(dá)克羅涂料若溫度太高，加快涂液老化，工件易表干，涂層流平不好，外觀耐蝕性差；達(dá)克羅涂料若溫度太低，涂液與工件的溫差大，濕膜中水份多，耐蝕性差，且涂層易發(fā)花。達(dá)克羅固化：將濕膜在一定條件下成型，分為預(yù)烘和燒結(jié)。預(yù)烘：將濕膜在100~150℃條件下烘烤8~10min，使涂液中的水份緩慢揮發(fā)，涂層表干在工件表面上。燒結(jié)：預(yù)烘后的工件，在300~380℃條件下烘烤20~30min，達(dá)克羅使涂液中有機(jī)份揮發(fā)、炭化，同時(shí)部分六價(jià)鉻轉(zhuǎn)化成三價(jià)鉻，涂層固化成膜。江蘇環(huán)保達(dá)克羅</p><p style="text-indent:25px">常州捷邁特表面工程技術(shù)有限公司位于昆侖路35號(hào)。公司業(yè)務(wù)涵蓋無(wú)鉻水性鋅鋁涂料，智能化自動(dòng)化各類涂裝設(shè)備，達(dá)克羅涂覆設(shè)備，清洗設(shè)備等，價(jià)格合理，品質(zhì)有保證。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。常州捷邁特憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1768963.html</p></div></div></div></div></div><div id="8bh8tug" class="page-right twoColRt"><div id="g2zbsjf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3iz2why" class="recomPic 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