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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>?湖南達克羅設(shè)備誠信為本常州捷邁特表面工程技術(shù)供應(yīng)</p><div id="6smogo2" class="leftbox clearfix"><h1>湖南達克羅設(shè)備誠信為本常州捷邁特表面工程技術(shù)供應(yīng)</h1><div id="0oic8sa" class="proBig"><div id="suyogiy" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13915042526/637333457745166016/762642.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qiaqyic" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13915042526/637333457745166016/762642.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yocisug" 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>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>湖南達克羅設(shè)備,達克羅</p><p><span>***更新：</span>2020-12-29 15:21:13</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="8mumwo8" 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: </span>0519-89886107</p><p><span>地址: </span>昆侖路35號</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="gscwosq" class="page-proshow02"><p class="title">詳細說明</p><div id="8qcue00" class="box"><p><p style="text-indent:25px">達克羅加工的過程中是有屬于它自己的工藝的，其中就有一種叫做涂覆工藝。那達克羅的涂覆工藝到底是什么樣的過程呢?其實達克羅加工的涂覆工藝是一種在材料表面涂覆的一種新型的材料技術(shù)。而達克羅加工的表面涂覆是在基質(zhì)表面上形成一種膜層，以改善表面性能的技術(shù)。涂覆層的化學(xué)成分、組織結(jié)構(gòu)可以和基質(zhì)材料完全不同，它以滿足表面性能、涂覆層與基質(zhì)材料的結(jié)合強度能適應(yīng)工況要求，湖南達克羅設(shè)備、經(jīng)濟性好，湖南達克羅設(shè)備，湖南達克羅設(shè)備、環(huán)保性好為準則。涂覆層的厚度可以是幾毫米，也可以是幾微米。達克羅涂復(fù)件的壽命要高出原電鍍件的三至五倍，甚至更多，不僅節(jié)省了大量的維修費，也節(jié)省了大筆的材料費。湖南達克羅設(shè)備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南達克羅設(shè)備,達克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457745166016/762642.png"></div><p style="text-indent:25px">達克羅涂層技術(shù)是將片狀鋅、鉻酐等配制成的涂料覆在鋼材等基體表面，經(jīng)300℃左右固化后獲得約(6～8)mm的有金屬光澤的銀灰色鋅鉻涂層。它無污染、無氫脆，耐腐蝕性高于電鍍鋅(5～8)倍，成為綠色環(huán)保型高防腐表面處理技術(shù)，許多發(fā)達國家已用它取代電鍍和熱鍍鋅。該技術(shù)現(xiàn)已在我國推廣，目前國內(nèi)的工業(yè)裝備及技術(shù)已經(jīng)可以滿足達克羅技術(shù)的要求，能夠生產(chǎn)與之配套的工業(yè)化設(shè)備，價格遠低于國外設(shè)備。裝備和工藝的成熟，決定了達克羅技術(shù)在我國汽車、農(nóng)機、家電、鐵路、公路交通、電力、建筑、橋梁等行業(yè)將得到更為普遍應(yīng)用。達克羅涂層處理報價達克羅涂夜的儲存及注意事項是成品液而言的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南達克羅設(shè)備,達克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457835185547/6132357.png"></div><p style="text-indent:25px">與電鍍相比，滌綸具有明顯的耐蝕性和耐化學(xué)性。這主要是由于長期防銹和防腐效果的達克羅防腐涂層金屬表面通過控制自我**鋅粒子，鋅板的屏蔽效果和鉻化合物，在金屬表面形成致密的氧化膜，不易被腐蝕。滌綸薄膜金屬的防腐效果是傳統(tǒng)工藝的幾十倍。防腐原理:控制**陽極保護(鋅片)，凈化(漿體中的鉻酸焙燒后失去結(jié)晶水，在桶體表面形成膜，粘結(jié)鋅片和鋁片，提高防腐能力)，屏蔽效果。整個涂層大約6到10微米厚，每一塊約0.1到0.2微米厚，近似約60~100層保護膜，所以涂層涂料有一大優(yōu)勢:即部分表面即使有傷口，也不影響其防腐性能，因為表面劃痕只切層，有很多層保護膜。因此，達克羅涂層更耐腐蝕(在鐵基桶上鹽霧超過1000小時)，更好的耐化學(xué)性，更好的耐大氣腐蝕。其優(yōu)異的涂覆性能使其得到越來越普遍的應(yīng)用。</p><p style="text-indent:25px">達克羅壁壘效應(yīng)：涂層中的片狀鋅和鋁層在鋼材表面重疊形成了第1層保護層，阻礙了水、氧等腐蝕介質(zhì)接觸基體，起到了直接隔離的作用。鈍化作用：在鉻酸與鋅、鋁粉和基體金屬達克羅的覆涂處理過程中，通過化學(xué)反應(yīng)在表面生成的致密鈍化膜，鈍化膜不容易發(fā)生腐蝕反應(yīng)，也起到了隔絕腐蝕介質(zhì)的作用，與壁壘效應(yīng)一起提供雙層防御，加固了物理隔離的效果。陰極保護作用：這是重要的保護作用，與鍍鋅層的原理一樣，通過**陽極，在化學(xué)層面對基體進行陰極保護。這三種防護一方面隔絕腐蝕介質(zhì)對鋼材的腐蝕作用，一方面放置基體發(fā)生電腐蝕，難怪會有數(shù)倍與傳統(tǒng)電鍍鋅的防護效果在金屬防腐蝕處理中，達克羅工藝憑借其性能獲得了普遍的應(yīng)用。達克羅是無機酸組分：如鉻酸等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南達克羅設(shè)備,達克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457878310547/5782900.png"></div><p style="text-indent:25px">無氫脆性，達克羅技術(shù)處理過程中無酸洗\電沉積\電解除油等工序，也就沒有電鍍鋅過程導(dǎo)致析氫的電化學(xué)反應(yīng)，所以不會使材質(zhì)產(chǎn)生氫脆。因此特別適合于處理彈性零件和**度的工件。良好的可再涂性。達克羅涂層外觀為銀灰色與基材、各種涂料均有良好的結(jié)合力，可作為面層使用，也可作為各種涂料的底層使用，在美、日汽車生產(chǎn)中常用作涂料底層取代有污染的磷化處理，同時提高整體的耐蝕性能。防止對鋁的電化學(xué)腐蝕。金屬之間由于電位的不同，會發(fā)生電化學(xué)反應(yīng)，對于鍍鋅層來說，其防護的無論是鐵基還是鋁基，都會發(fā)生電化學(xué)而降低防腐性。在高溫環(huán)境下達克羅有很好的穩(wěn)定性，這比傳統(tǒng)的鍍鋅耐高溫性能要高很多。湖南達克羅設(shè)備</p><p style="text-indent:25px">目前使用達克羅技術(shù)成本是要比電鍍成本高一些，但是深入地進行一下經(jīng)濟分析還是合算的。湖南達克羅設(shè)備</p><p style="text-indent:25px">經(jīng)過預(yù)熱蒸發(fā)水份后的達克羅涂膜，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物質(zhì)，這些復(fù)雜的混合物很難用化學(xué)表達式進行表述。如果只將聚乙二醇放在載玻片進行加熱，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。此時的涂膜已經(jīng)比較堅硬，可以呈受一般的機械沖擊，但能夠用氨水溶解掉，用水也可以沖洗下去。將達克羅涂膜在該溫度下進行20min加熱固化，形成的涂膜也同樣具備以上特點，也就是說，除了能抗得住一般的機械沖擊外，不具備任何防腐能力。因此，就當(dāng)前大多數(shù)用戶手中的達克羅涂料在260℃，20~50min加熱的條件下，是不可能得到合格的達克羅涂層的。湖南達克羅設(shè)備</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2616854.html</p></div></div></div></div></div><div id="umwggcu" class="page-right twoColRt"><div id="mgawwoq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="awqssa0" 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)" 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