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src="https://tyunfile.71360.com/UploadFile/13915042526/637333457910205078/8251295.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mkideca" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13915042526/637333457910205078/8251295.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="r2txiwc" 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>徐州達(dá)克羅金屬表面處理,達(dá)克羅</p><p><span>***更新：</span>2021-01-29 14:24:40</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="zma77w8" 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="ks4okjf" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7eab833" class="box"><p><p style="text-indent:25px">達(dá)克羅涂層的結(jié)構(gòu)和防銹機(jī)理：達(dá)克羅涂層的防銹機(jī)理:達(dá)克羅是一種全新的金屬防銹系統(tǒng)。該涂層的防銹機(jī)理主要為:鋅對(duì)基體的受控的電化學(xué)保護(hù)作用、鉻酸的鈍化作用、鋅片鋁片及復(fù)合鉻鹽涂層的機(jī)械屏蔽遮蓋保護(hù)作用及鋁控制鋅的“淘析”作用，徐州達(dá)克羅金屬表面處理。達(dá)克羅涂層的結(jié)構(gòu):在鐵基金屬表面上，涂覆一層達(dá)克羅溶液(即含有片狀鋅、鋁[鱗片一般尺寸為0.1-0.2X10X15微米]、Cr203及**有機(jī)物的高分散混合水溶液)、經(jīng)300攝氏度左右保溫烘烤-定的時(shí)間后，達(dá)克羅溶液中的六價(jià)鉻被還原成三價(jià)鉻，生成無定形的復(fù)合鉻鹽化合物(nCrO3.mCr2O3)。該物質(zhì)覆蓋在母材表面及鋅片、鋁片的表面，將鋅片、鋁片與鋼鐵基材表面緊密地粘結(jié)在一起。鋅片、鋁片間亦被復(fù)合鉻鹽所填塞。冷卻后的金屬表面即被覆蓋上一層很薄的銀灰色的達(dá)克羅特種高防腐涂層，徐州達(dá)克羅金屬表面處理，徐州達(dá)克羅金屬表面處理。達(dá)克羅涂料又稱:鋅基鉻鹽涂料，達(dá)克銹、高克銹涂料等名稱。徐州達(dá)克羅金屬表面處理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州達(dá)克羅金屬表面處理,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457910205078/8251295.png"></div><p style="text-indent:25px">采用了達(dá)克羅技術(shù)后，因達(dá)克羅涂層技術(shù)遠(yuǎn)離酸、堿（鍍液），避免了腐蝕問題。更令人高興的是涂達(dá)克羅零件點(diǎn)焊后焊點(diǎn)涂層完好，且無灼色。至此，一切迎刃而解。工藝冶理環(huán)境是我們技術(shù)改造的指導(dǎo)原則。只有這樣才能**污染。傳統(tǒng)的鍍鋅工藝除不能避免前述質(zhì)量問題外，對(duì)廠房行車、電源設(shè)備。周邊部門的儀表、器件和車間零件均有不同程度的銹蝕影響。 70年代初建立的半自動(dòng)鍍鋅線約半年左右，線體、設(shè)備均出現(xiàn)銹蝕，一年后廠房、設(shè)備嚴(yán)重銹蝕。電源使用壽命短、生產(chǎn)成本高、環(huán)境惡劣，對(duì)工人健康影響大。徐州達(dá)克羅金屬表面處理達(dá)克羅壁壘效應(yīng)：由于片狀鋅、鋁層狀重疊，阻礙了水、氧等腐蝕介質(zhì)到達(dá)基體，能起一種隔離的屏蔽作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州達(dá)克羅金屬表面處理,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457878310547/5782900.png"></div><p style="text-indent:25px">達(dá)克羅涂層的特點(diǎn)：達(dá)克羅處理技術(shù)作為目前世界上應(yīng)用比較普遍，效果理想的技術(shù)，其本身有著無可比擬的優(yōu)勢(shì)。達(dá)克羅涂層具有環(huán)保、高耐蝕、高耐熱、無氫脆、較好的滲透性和可再涂性，并有著優(yōu)異的耐侵蝕性與耐化學(xué)藥品性。環(huán)保性達(dá)克羅處理工藝無廢氣、廢液、廢渣排放，所以無污染危害，為國(guó)家環(huán)?？偩炙扑]的清潔生產(chǎn)工藝，環(huán)保無污染。達(dá)克羅工藝是一個(gè)封閉循環(huán)過程，沒有電鍍行業(yè)的大量污水排放，用于清洗工裝的少量廢水也是反復(fù)使用，經(jīng)化學(xué)處理為不溶或微溶性固體廢置。工作條件好，市區(qū)可建廠。</p><p style="text-indent:25px">大家都知道，近年來，隨著經(jīng)濟(jì)的發(fā)展，達(dá)克羅成為工業(yè)生產(chǎn)活動(dòng)中必不可少的一種防腐涂料。但是很多人不知道達(dá)克羅處理后的涂層性能怎么樣，我們就來給大家簡(jiǎn)單介紹下達(dá)克羅處理后的涂層性能吧。希望我們的介紹對(duì)大家有幫助，下面就和小編一起來看看吧!具有優(yōu)越的抗腐蝕性。在做達(dá)克羅實(shí)驗(yàn)時(shí)表面：達(dá)克羅鹽霧試驗(yàn)，需100小時(shí)才腐蝕掉1um，比傳統(tǒng)的表面處理耐腐蝕性提高七至十倍。在溫度35℃±2℃、濕度95%條件下，經(jīng)過10個(gè)周期240小時(shí)循環(huán)試驗(yàn)，達(dá)克羅涂層表面無變化，鍍鋅層表面局部有霉點(diǎn)。達(dá)克羅涂覆的生產(chǎn)過程需要管控好工件的前處理。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州達(dá)克羅金屬表面處理,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457938593750/8986644.png"></div><p style="text-indent:25px">目前適用達(dá)克羅技術(shù)的基體材料范圍有：鋼鐵制品及有色金屬如鋁、鎂及其合金，銅、鎳、鋅等及其合金。達(dá)克羅技術(shù)可以代替電鍍鋅、電鍍鎘、熱浸鍍鋅、熱噴鋅、機(jī)械鍍鋅、鋅基合金鍍層、氧化、磷化等多種表面防護(hù)工藝。當(dāng)前一些特殊車輛冷卻系統(tǒng)水系管件大都由薄壁低碳鋼管制成，在防腐方面則采用傳統(tǒng)的涂漆處理。實(shí)踐證明，涂漆處理雖然簡(jiǎn)單易行，但已不能滿足水系管路在惡劣工況下的防腐要求。檢查經(jīng)過3000km試車后的管件，其內(nèi)表面漆層大都脫落，壁面基材銹蝕嚴(yán)重，且脫落后的漆層易堵塞冷卻系統(tǒng)各部件，從而影響傳熱和介質(zhì)流速，導(dǎo)致冷卻系統(tǒng)能力下降。中國(guó)在1994年正式從日本引進(jìn)達(dá)克羅技術(shù)，當(dāng)初*用于**工業(yè)和國(guó)產(chǎn)化的汽車零部件。吉林達(dá)克羅防銹處理</p><p style="text-indent:25px">達(dá)克羅涂層的導(dǎo)電性能不好，這樣就不宜用于導(dǎo)電連接的零件，如電器的接地螺栓等。徐州達(dá)克羅金屬表面處理</p><p style="text-indent:25px">達(dá)克羅涂層基本上是由無機(jī)物構(gòu)成：1)涂層由多層鱗片狀鋅、鋁迭交而成.控制了水分和氧對(duì)基體表面的滲入速率，對(duì)鋼鐵基體提供了良好的障礙防護(hù)；2)處理液中六價(jià)鉻，對(duì)鋅、鋁片處于受控的鈍化保護(hù)狀態(tài)壓制了腐蝕速度；3)鋅、鋁層因電極電位低，在氧化過程中，可充當(dāng)犧牲陽極保護(hù)；4)涂層中有適當(dāng)?shù)目扇苄粤鶅r(jià)鉻。涂層遭破壞時(shí)有自我修復(fù)作用。達(dá)克羅技術(shù)在水系管路中的應(yīng)用及改進(jìn)：由于達(dá)克羅技術(shù)優(yōu)異的耐熱耐腐蝕性及高滲透性。使它在理論上成為一種理想的管路表面(特別是內(nèi)表面)防腐技術(shù)。徐州達(dá)克羅金屬表面處理</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3067290.html</p></div></div></div></div></div><div id="mvjul2s" class="page-right twoColRt"><div id="2rsopny" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bztek8q" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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