鹽城達(dá)克羅加工廠創(chuàng)新服務(wù) 常州捷邁特表面工程技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="達(dá)克羅的防繡機(jī)理。是建立在鉻酸的純化作用和鋅的受控**保護(hù)作用之上，鋅消耗受到控制，鐵基體不被暴露，鋁的電化學(xué)腐蝕也受到了控制。達(dá)克羅技術(shù)依靠其優(yōu)越的特性，在發(fā)達(dá)國(guó)家中已經(jīng)比較常應(yīng)用的產(chǎn)品了。我國(guó)也逐步推廣，鹽城達(dá)克羅加工廠，鹽城達(dá)克羅加工"><meta name="keywords" content="鹽城達(dá)克羅加工廠,達(dá)克羅"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>鹽城達(dá)克羅加工廠,達(dá)克羅</p><p><span>***更新：</span>2021-01-27 11:16:14</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="z7jlsub" 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="hbyqnpb" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="mgnfhol" class="box"><p><p style="text-indent:25px">達(dá)克羅的防繡機(jī)理。是建立在鉻酸的純化作用和鋅的受控**保護(hù)作用之上，鋅消耗受到控制，鐵基體不被暴露，鋁的電化學(xué)腐蝕也受到了控制。達(dá)克羅技術(shù)依靠其優(yōu)越的特性，在發(fā)達(dá)國(guó)家中已經(jīng)比較常應(yīng)用的產(chǎn)品了。我國(guó)也逐步推廣，鹽城達(dá)克羅加工廠，鹽城達(dá)克羅加工廠，在汽車、電力，鹽城達(dá)克羅加工廠、海洋、建筑及**工業(yè)等方面開始大量使用，并獲得了極高的評(píng)價(jià)。達(dá)克羅膜對(duì)鋼基體的保護(hù)作用可以概括為:1。阻擋作用:由于鋅、鋁層狀重疊，可以防止水、氧等腐蝕介質(zhì)到達(dá)基體，起到隔離屏蔽作用。2.鈍化:達(dá)克羅在鈍化過(guò)程中，鉻酸與鋅、鋁粉和基體金屬發(fā)生反應(yīng)，形成致密的鈍化膜，具有良好的鈍化性能。3.陰極保護(hù):主要保護(hù)鋅鋁鉻鍍層和鋅鍍層是一樣的，是基體的陰極保護(hù)?！∵_(dá)克羅涂層附著力強(qiáng)，涂層表面可再加有機(jī)或無(wú)機(jī)涂料涂覆。鹽城達(dá)克羅加工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城達(dá)克羅加工廠,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457602304687/3572505.png"></div><p style="text-indent:25px">達(dá)克羅技術(shù)簡(jiǎn)介：達(dá)克羅金屬表面處理方法：它是防腐蝕體系中新的一員。由于達(dá)克羅技術(shù)具有一系列傳統(tǒng)電鍍無(wú)法比擬的優(yōu)點(diǎn)，經(jīng)過(guò)多年不斷發(fā)展和完善，現(xiàn)已形成了一個(gè)完整的表面處理體系，普遍應(yīng)用于金屬零部件防腐處理上。達(dá)克羅處理技術(shù)的特點(diǎn)：危害幾乎沒有問題。達(dá)克羅處理工藝基本無(wú)排放廢氣、廢液、廢渣。所以幾乎無(wú)污染危害。高抗腐蝕性。達(dá)克羅膜厚4～10μm。它對(duì)鋼鐵部件的防護(hù)效果，同等厚度條件下是電鍍鋅的7～10倍以上，尤其在200～250℃的加熱條件下與以前的鍍鋅相比，表現(xiàn)出優(yōu)異的耐熱防銹性。耐熱性能高。鹽城達(dá)克羅加工廠達(dá)克羅涂液是水溶性的涂液，所以它的滲透性非常好，在細(xì)微的空隙的中也能形成涂層，其深涂能力遠(yuǎn)優(yōu)于電鍍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城達(dá)克羅加工廠,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457642988281/7149056.png"></div><p style="text-indent:25px">無(wú)污染和公害：作為“綠色電鍍”工藝，達(dá)克羅工藝采用了閉路循環(huán)的方式，所以幾乎無(wú)污染危害。涂層與基體結(jié)合力、涂層與漆膜之間結(jié)合力：在濕熱試驗(yàn)環(huán)境下，達(dá)克羅涂層與漆膜結(jié)合力達(dá)到國(guó)家一級(jí)、二級(jí)標(biāo)準(zhǔn)，達(dá)克羅涂層與基體結(jié)合力均為一級(jí)標(biāo)準(zhǔn)。點(diǎn)焊性能：對(duì)彎角件進(jìn)行達(dá)克羅涂敷后點(diǎn)焊，顯示達(dá)克羅涂層有良好的點(diǎn)焊性能。從達(dá)克羅工藝來(lái)說(shuō)，先點(diǎn)焊后達(dá)克羅的防護(hù)性優(yōu)于先達(dá)克羅后點(diǎn)焊。防止對(duì)鋁的電化學(xué)腐蝕：達(dá)克羅涂層的防腐蝕是建立在鉻酸的鈍化作用和鋅的受控**保護(hù)作用之上的，所以壓制了鋅的消耗，提高了防腐蝕性能。</p><p style="text-indent:25px">達(dá)克羅技術(shù)在國(guó)內(nèi)的發(fā)展與研究已經(jīng)比較深入與普遍，但至今還不完善，主要是缺乏系統(tǒng)性研究，就涂層的固化過(guò)程都有哪些比較直觀物理化學(xué)反應(yīng)還沒有文獻(xiàn)可查。經(jīng)過(guò)預(yù)熱蒸發(fā)水份后的達(dá)克羅涂膜，其中的水份已經(jīng)被蒸發(fā)，剩余的物質(zhì)主要是Zn、Al、6價(jià)鉻離子、氧化鋅和鉻酸鋅、硼酸及其與鉻離子和鉻酸離子的化合物、醇類和少量表面活性劑等有機(jī)物質(zhì)，這些復(fù)雜的混合物很難用化學(xué)表達(dá)式進(jìn)行表述。如果只將聚乙二醇放在載玻片進(jìn)行加熱，5min內(nèi)樣品開始冒煙，20min后取出觀察，看到玻璃片上仍然有少量變色的液體。將混合B劑的混合液（不加金屬片粉）進(jìn)行加熱，5min內(nèi)開始冒煙，20min后冷卻到室溫觀察，涂膜呈現(xiàn)淡綠色，光學(xué)顯微鏡下涂膜呈透明淡綠色。此時(shí)的涂膜已經(jīng)比較堅(jiān)硬，可以呈受一般的機(jī)械沖擊，但能夠用氨水溶解掉，用水也可以沖洗下去。達(dá)克羅的處理工藝決定了達(dá)克羅沒有氫脆現(xiàn)象，所以達(dá)克羅非常適合受力件的涂覆。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城達(dá)克羅加工廠,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457802675781/1784574.png"></div><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。國(guó)內(nèi)命名為鋅鉻涂層，是一種以鋅粉、鋁粉、鉻酸和去離子水為主要成分的新型的防腐涂料。達(dá)克羅較早誕生于二十世紀(jì)五十年代末。在北美、北歐寒冷的冬天，道路上厚實(shí)的冰層嚴(yán)重阻礙機(jī)動(dòng)車的行駛，人們用鹽撒在地上的方法來(lái)降低凝固點(diǎn)的溫度以緩解道路暢通問題，但是緊接而來(lái)的氯化鈉中的氯離子侵蝕了鋼鐵基體，交通工具嚴(yán)重受損、嚴(yán)峻的課題出現(xiàn)了。美國(guó)科學(xué)家研制了以金屬鋅片為主同時(shí)加入鋁片、鉻酸、去離子水做溶劑的高分散水溶性涂料，涂料沾在金屬基體上，經(jīng)過(guò)全閉路循環(huán)涂覆烘烤，形成薄薄的涂層，達(dá)克羅涂層成功地抵抗氯離子的侵蝕，防腐技術(shù)進(jìn)入了新的臺(tái)階，革新了傳統(tǒng)工藝防腐壽命短的缺陷。達(dá)克羅則可以進(jìn)入工件的這些部位形成達(dá)克羅涂層。張家港達(dá)克羅涂層處理</p><p style="text-indent:25px">達(dá)克羅涂層的表面顏色單一，只有銀白色和銀灰色，不適合汽車發(fā)展個(gè)性化的需要。鹽城達(dá)克羅加工廠</p><p style="text-indent:25px">由于水性無(wú)鉻達(dá)克羅的固化處理溫度通常不超過(guò)260℃，所以如果今后大量使用水性無(wú)鉻達(dá)克羅的話，必然可以大幅度降低能耗，可以彌補(bǔ)一些由于涂料成本帶來(lái)的損失。目前國(guó)內(nèi)外的材料科學(xué)家們正在研制在低溫或常溫下就能很好固化的無(wú)鉻達(dá)克羅涂層，就行業(yè)中的能耗關(guān)鍵問題預(yù)計(jì)在2~4年內(nèi)就能實(shí)現(xiàn)大的技術(shù)進(jìn)步。無(wú)鉻達(dá)克羅涂層的性能與達(dá)克羅涂層的性能基本相似，它的應(yīng)用范圍非常普遍，并還在進(jìn)一步的開發(fā)中。電器電子，家用電器、電子產(chǎn)品、通訊器材等高級(jí)產(chǎn)品的零部件、元器件、配套件等。鹽城達(dá)克羅加工廠</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3036159.html</p></div></div></div></div></div><div id="edacevc" class="page-right twoColRt"><div id="mwiax8z" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lfmta22" 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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