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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>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>江山化學(xué)鍍鎳環(huán)保,化學(xué)鍍鎳</p><p><span>***更新：</span>2021-01-16 02:12:21</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="80e0mag" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海昊琳化工有限公司</a></p><p><span>聯(lián)系人：</span>彭**</p><p><span>郵箱: </span>SHHL668@163.com</p><p><span>電話: </span>13917612469</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://haolin123.shop.88360.com</p><p><span>手機(jī): </span>021-59220920</p><p><span>地址: </span>白鶴鎮(zhèn)白石公路1360路28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="sywusqo" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="gw2sqwk" class="box"><p><p style="text-indent:25px">化學(xué)鍍鎳的特點(diǎn)如下：（1）化學(xué)鍍不僅可以在金屬表面施鍍，通過(guò)特殊的活化、敏化處理，也可以在非金屬表面上進(jìn)行。（2）化學(xué)鍍?cè)O(shè)備簡(jiǎn)單，不需要電源及陽(yáng)極，只要在溫度、pH值工藝參數(shù)合理的條件下，把待鍍零件浸入在鍍液中即可。（3）化學(xué)鍍的結(jié)合力，江山化學(xué)鍍鎳環(huán)保、防腐性能都優(yōu)于電鍍。某些化學(xué)鍍層還有特殊的物理化學(xué)性能。（4）硬度高，耐磨性好，化學(xué)鍍鎳層熱處理后硬度達(dá)Hv1100，江山化學(xué)鍍鎳環(huán)保，工模具鍍鎳后一般壽命提高3倍以上。（5）耐腐蝕強(qiáng)，化學(xué)鍍鎳層在酸、堿、鹽、氨和海水等介質(zhì)中都具有很好的耐腐蝕性，江山化學(xué)鍍鎳環(huán)保，其耐腐蝕性勝于不銹鋼。化學(xué)鍍鎳中使用比較普遍的基底金屬是銅、鐵和鎳。江山化學(xué)鍍鎳環(huán)保</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江山化學(xué)鍍鎳環(huán)保,化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333782988798828/1953806.png"></div><p style="text-indent:25px">化學(xué)鍍鎳是用還原劑把溶液中的鎳離子還原沉積在具有催化活性的表面上?；瘜W(xué)鍍鎳可以選用多種還原劑，工業(yè)上應(yīng)用比較普遍的是以次磷酸鈉為還原劑的化學(xué)鍍鎳工藝，其反應(yīng)機(jī)理，普遍被接受的是“原子氫理論”和“氫化物理論”。原子氫理論認(rèn)為，溶液中的Ni2+靠還原劑次磷酸鈉（NaH2P02）放出的原子態(tài)活性氫還原為金屬鎳，而不是H2PO2-與Ni2+直接作用。首先是在加熱條件下，次磷酸鈉在催化表面上水解釋放出原子氫，或由H 2PO2-催化脫氫產(chǎn)生原子氫，然后，吸附在活性金屬表面上的H原子還原Ni2+為金屬Ni沉積于鍍件表面．同時(shí)次磷酸根被原子氫還原出磷，或發(fā)生自身氧化還原反應(yīng)沉積出磷，H2的析出既可以是由H2POf水解產(chǎn)生，也可以是由原子態(tài)的氫結(jié)合而成。上?；瘜W(xué)鍍鎳劑迄今為止，化學(xué)鍍鎳的發(fā)展已有50多年的歷史。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江山化學(xué)鍍鎳環(huán)保,化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333783243505859/8660814.png"></div><p style="text-indent:25px">高磷化學(xué)鍍鎳亦普遍地應(yīng)用于油水分離裝置的加熱器表面以防腐蝕，鍍厚通常為25～75um。集油和輸油裝置的閥門(mén)、管接頭、管箍等亦采用化學(xué)鍍鎳保護(hù)。食品加工業(yè)為應(yīng)用化學(xué)鍍鎳提供了一個(gè)巨大的潛在市場(chǎng)；之所以稱(chēng)之為潛在的市場(chǎng)，是因?yàn)榛瘜W(xué)鍍鎳在食品工業(yè)的普遍應(yīng)用中存在著障礙。對(duì)于化學(xué)鍍鎳層在應(yīng)用于直接與食品接觸的情況，F(xiàn)DA采取個(gè)案處理的方式予以批準(zhǔn)。究其原因，主要是因?yàn)榻?jīng)典的化學(xué)鍍液配方中含有毒的鉛、鎘等重金屬離子作為穩(wěn)定劑的緣故。然而，許多現(xiàn)代的化學(xué)鍍鎳溶液中已經(jīng)不使用重金屬離子作穩(wěn)定劑了；顯然，這個(gè)障礙遲早將會(huì)被拆除。食品包裝機(jī)械中不與食品直接接觸的零件，如：軸承、輥筒、傳送帶、液壓系統(tǒng)和齒輪等為化學(xué)鍍鎳在食品工業(yè)中的典型應(yīng)用。用化學(xué)鍍鎳沉積的鍍層，有一些不同于電沉積層的特性。</p><p style="text-indent:25px">化學(xué)鍍鎳在電子和計(jì)算機(jī)工業(yè)中應(yīng)用得非常廣，幾乎涉及到每一種化學(xué)鍍鎳技術(shù)和工藝。許多新的化學(xué)鍍鎳工藝和材料正是根據(jù)電子和計(jì)算機(jī)工業(yè)發(fā)展的需要而研制開(kāi)發(fā)出來(lái)的。在技術(shù)性能方面，除要求耐蝕耐磨之外，還具有可焊接、防擴(kuò)散性、電性能和磁性能等要求。電子設(shè)備的塑料外殼上鍍銅，然后化學(xué)鍍鎳，這樣的雙金屬結(jié)構(gòu)覆層，被公認(rèn)為是非常有效的屏蔽方式之一?；瘜W(xué)鍍鎳是計(jì)算機(jī)薄膜硬磁盤(pán)制造中的關(guān)鍵步驟之一。鍍層必須均勻、光滑，表面上的任何缺陷和突起不得超過(guò)0.025um。因?yàn)榧夹g(shù)要求高所以必須使用高質(zhì)量高清潔度的**化學(xué)鍍液、全自動(dòng)的施鍍控制設(shè)備和高清潔度的車(chē)間環(huán)境。計(jì)算機(jī)薄膜硬磁盤(pán)化學(xué)鍍鎳是高技術(shù)化學(xué)鍍鎳的典型表率，占有相當(dāng)重要的市場(chǎng)份額。現(xiàn)在化學(xué)鍍鎳的技術(shù)用途非常普遍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江山化學(xué)鍍鎳環(huán)保,化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333783185078125/5272882.png"></div><p style="text-indent:25px">化學(xué)鍍就是在不通電的情況下，利用氧化還原反應(yīng)在具有催化表面的鍍件上，獲得金屬合金的方法。它是新近發(fā)展起來(lái)的一門(mén)新技術(shù)?；瘜W(xué)鍍鎳經(jīng)過(guò)多年的不斷探索與研究，近幾年已發(fā)展極成熟了，化學(xué)鍍鎳水幾乎適用于所有金屬表面鍍鎳。如：鋼鐵鍍鎳，不銹鋼鍍鎳，鋁鍍鎳，銅鍍鎳等等，它同樣適用于非金屬表面鍍鎳。比如：陶瓷鍍鎳，玻璃鍍鎳，金剛石鍍鎳，碳片鍍鎳，塑料鍍鎳，樹(shù)脂鍍鎳等等。使用范圍是非常普遍的?；瘜W(xué)鍍是在催化劑Fe的催化作用下,溶液中的次磷酸根在催化表面催化脫氫,形成活性氫化物,并被氧化成亞磷酸根;活性氫化物與溶液中的鎳離子進(jìn)行還原反應(yīng)而沉積鎳,其本身氧化成氫氣。錫、銅和銅合金制件要先用鋁片接觸其表面上1-3分鐘，以加速化學(xué)鍍鎳。江山化學(xué)鍍鎳環(huán)保</p><p style="text-indent:25px">化學(xué)鍍鎳是將欲鍍的金屬與另一種金屬或另一塊相同金屬接觸，并沉浸在沉積金屬的鹽溶液中的沉積法。江山化學(xué)鍍鎳環(huán)保</p><p style="text-indent:25px">化學(xué)鍍鎳的歷史與電鍍相比，比較短暫，化學(xué)鍍鎳弄清楚了形成涂層的催化特性，發(fā)現(xiàn)了沉積非粉末狀鎳的方法，使化學(xué)鍍鎳技術(shù)工業(yè)應(yīng)用有了可能性。但那時(shí)的化學(xué)鍍鎳溶液極不穩(wěn)定，因此嚴(yán)格意義上講沒(méi)有實(shí)際價(jià)值?；瘜W(xué)鍍鎳工業(yè)化生產(chǎn)起步較晚，但近幾年的發(fā)展十分迅速，不僅有大量的論文發(fā)表，還舉行了詳細(xì)性的化學(xué)鍍會(huì)議，據(jù)第五屆化學(xué)鍍年會(huì)發(fā)表文章的統(tǒng)計(jì)就已經(jīng)有300多家廠家，但這一數(shù)字在當(dāng)時(shí)應(yīng)是極為保守的。據(jù)推測(cè)我們每年的化學(xué)鍍鎳市場(chǎng)總規(guī)模應(yīng)在300億元左右，并且以每年10%～15%的速度發(fā)展?；瘜W(xué)鍍鎳層兼?zhèn)淞肆己玫哪臀g與耐磨性能。江山化學(xué)鍍鎳環(huán)保</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2864254.html</p></div></div></div></div></div><div id="iq2mkig" class="page-right twoColRt"><div id="o0wcioe" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="iy228ik" 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) 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