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href="http://www.cdcfah.com/cp/second-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/third-wjgj_wjgjxmhz/">五金工具項(xiàng)目合作</a>?南京觸屏筆外殼鍍銀廠家惠州市微納科技供應(yīng)</p><div id="fmndudj" class="leftbox clearfix"><h1>南京觸屏筆外殼鍍銀廠家惠州市微納科技供應(yīng)</h1><div id="jctufbc" class="proBig"><div id="42g2nzv" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_6567135.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fdeqwcd" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_6567135.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="iwxzvgm" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南京觸屏筆外殼鍍銀廠家,鍍銀</p><p><span>***更新：</span>2020-07-21 11:15:25</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="jbc7hsj" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">惠州市微納科技有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span>lijn@vacano.com</p><p><span>電話: </span>13421322633</p><p><span>傳真: </span>0752_6531566</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0752-6531558</p><p><span>地址: </span>廣東惠東縣大嶺鎮(zhèn)產(chǎn)業(yè)轉(zhuǎn)移園華源軒大道遠(yuǎn)銘揚(yáng)工業(yè)</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="dvr8njf" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="w3sgrnj" class="box"><p><p style="text-indent:25px">鍍銀的那一層銀極易拋光，具有高反光和良好的導(dǎo)熱、導(dǎo)電、焊接性能。（銀的導(dǎo)電性比銅更好），南京觸屏筆外殼鍍銀廠家，鍍銀常用在裝飾行業(yè)，南京觸屏筆外殼鍍銀廠家，南京觸屏筆外殼鍍銀廠家，尤其是戒指、項(xiàng)鏈等裝飾品。而在電子工業(yè)、通訊和儀器儀表制造業(yè)中，絕大部分采用鍍銀工藝用來降低金屬零部件之間的電阻，提高金屬的焊接本領(lǐng)。因其具有極好的反光性能，所以在探照燈和其他反射器材中的金屬面也是采用鍍銀的。但是我們需要注意的是，如果在潮濕的大氣中銀容易產(chǎn)生“銀須”，導(dǎo)致短路現(xiàn)象，所以在印刷電路板中不建議使用鍍銀。在無氰電鍍方面，鍍鋅和鍍銅均已獲得工業(yè)性生產(chǎn)的成效，但鍍銀的差{距則較大。南京觸屏筆外殼鍍銀廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京觸屏筆外殼鍍銀廠家,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_6567135.jpg"></div><p style="text-indent:25px">塑料材料進(jìn)行鍍膜通常會(huì)使用的方法是化學(xué)電鍍和真空電鍍兩種。我們都知道，塑料屬于絕緣材料，要想在塑料表面進(jìn)行電鍍的話，那么首先需要解決的問題就是導(dǎo)電了。塑料化學(xué)電鍍分為表面粗話、表面敏化火花、沉積導(dǎo)電層后再進(jìn)行電鍍處理；而采用真空鍍膜的方式材料是不需要進(jìn)行電鍍的，該方法是在真空條件下讓金屬加熱蒸發(fā)并且貼覆在需度塑料的表面上，從而形成一層金屬膜的方法。按電鍍的定義而言，就應(yīng)該明白它主要是用來金屬或者半導(dǎo)體之間鍍上金屬和合金的，塑料自然是在排除其加工范圍內(nèi)的。南京觸屏筆外殼鍍銀廠家其是表面活性物質(zhì)研究的進(jìn)步，使得有些物質(zhì)只要極小的用量就可以對(duì)陰極過程產(chǎn)生很大的影響；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京觸屏筆外殼鍍銀廠家,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_9481460.jpg"></div><p style="text-indent:25px">電鍍總的來說是使用電解池原理在機(jī)械制品上堆積出附著良好性能但功能和基體資料不同的金屬覆層的技能，而鍍金則因?yàn)榻鹪氐脑?，其鍍層?huì)具有延展性好、易拋光、耐高溫，具有很好的抗變色功能。電鍍作為電化學(xué)中的一種方法，它具體的實(shí)現(xiàn)方式包括掛鍍、滾鍍、接連鍍和刷鍍等方法，采用哪種方法主要與鍍件的尺度和量的多少有關(guān)。而鍍金可以分為同質(zhì)材料鍍金和異質(zhì)材料鍍金，同質(zhì)材料鍍金是指對(duì)黃金首飾的外表進(jìn)行鍍金處理，是為了進(jìn)步首飾的亮光性及色澤。異質(zhì)材料鍍金是指對(duì)非黃金材料的外表迸行鍍金處理，如銀鍍金，銅鍍金，使其更具有裝飾效果。</p><p> 鍍銀后是需要對(duì)銀層進(jìn)行一定的處理來防止其氧化變色的，下面介紹下一些常見的用來防止鍍銀層氧化變色的方法。使用硫|酸鹽鍍銀液鍍銀的在鍍膜后需要在干燥之前使用磷酸溶液進(jìn)行脫模處理，反復(fù)操作，脫模是為了防止日后發(fā)黃變色。鍍銀加工避免使用逆流漂洗，容易造成發(fā)霧現(xiàn)象。如果是銅基體鍍銀的話可以先預(yù)鍍一層銅，這樣既可以增加鍍層的結(jié)合力均勻性，有能阻止黃銅離子向銀層滲透。鍍銀后需要中和和鈍化處理，從而中和鍍銀過程中殘留的酸并且在鍍銀層身上形成一保護(hù)膜。鍍銀后要避免鍍膜后清洗不干凈，也要防止電流密度過高，再者就是要避免鍍液溫度過高。如果是在鎳基上鍍銀，可以采用銅基用的預(yù)鍍液，但是在鍍前要在50％的鹽酸溶液中預(yù)浸l0～30s；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京觸屏筆外殼鍍銀廠家,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771469210854_hzwnkj_3437123.jpg"></div><p style="text-indent:25px">裝飾飾品行業(yè)會(huì)使用925銀鍍白金進(jìn)行售賣，因?yàn)榧兌缺容^高的銀，在自|然狀態(tài)下會(huì)逐漸發(fā)黑氧化，暫時(shí)沒有比較可行的方法阻止它的氧化。裝飾飾品行業(yè)會(huì)選擇給925銀用鍍鉑金的方式進(jìn)行控制，這樣能有效的阻隔925銀對(duì)自|然上空氣水汽的接觸，實(shí)際的效果還是需要根據(jù)佩戴者保護(hù)程度有關(guān)，通常鍍膜層的能維持在4個(gè)月到1年的時(shí)間不等，待鍍層被磨損后則恢復(fù)銀本身的性質(zhì)。除了為防止925銀氧化鍍鉑金外，更多的還是為了增加銀飾品的硬度，以及飾品行業(yè)的利潤(rùn)。為了防止發(fā)生這種影響鍍層結(jié)合力的置換鍍過程；南京觸屏筆外殼鍍銀廠家</p><p style="text-indent:25px">銀的標(biāo)準(zhǔn)電極電位(25℃，相對(duì)于氫標(biāo)準(zhǔn)電極，Ag／Ag+)為+0．799V；南京觸屏筆外殼鍍銀廠家</p><p style="text-indent:25px">銀本身的性質(zhì)較為活潑，其在鍍液中的穩(wěn)定性能也是比較差的，容易引起鍍液分解。因?yàn)樵谠刂芷诶?，銀是屬于貴金屬中的一員，它很難與其他的金屬形成合金鍍層.鍍銀用的鍍液也是比較有限的,大都數(shù)使用的都是含有**物的堿性溶液,**物大家都明白是什么物質(zhì)了.鍍銀的性能特點(diǎn)包括有:鍍層應(yīng)呈銀白色,結(jié)晶細(xì)致平滑;與空氣接觸會(huì)逐漸氧化變色，遇硫會(huì)變黑;接觸電阻低，導(dǎo)電性能極好;導(dǎo)熱性能好;防粘結(jié)性強(qiáng);易焊接;具有優(yōu)良的反光特性;表面光潔銀亮，膜層均勻。鍍液一定要謹(jǐn)慎保管處理。南京觸屏筆外殼鍍銀廠家</p><p style="text-indent:25px">惠州市微納科技有限公司屬于橡塑的高新企業(yè)，技術(shù)力量雄厚。公司是一家有限責(zé)任公司企業(yè)，以誠(chéng)信務(wù)實(shí)的創(chuàng)業(yè)精神、質(zhì)量高效的管理團(tuán)隊(duì)、精悍的職工隊(duì)伍，努力為廣大用戶提供***的產(chǎn)品。公司始終堅(jiān)持客戶需求***的原則，致力于提供高質(zhì)量的[ "濺射鍍膜", "真空鍍膜", "濺射鍍膜", "外殼" ]。微納科技自成立以來，一直堅(jiān)持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會(huì)各界的普遍認(rèn)可與大力支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/671156.html</p></div></div></div></div></div><div id="pyz3arn" class="page-right twoColRt"><div id="2ihd2wn" class="box01 margin10 clearfix"><h3><a 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