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src="http://tyunfile.71360.com/UploadFile/wxbnstg/637123665475654296/7735487.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="maow4i0" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/wxbnstg/637123665475654296/7735487.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="comsymk" 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>鹽城正規(guī)紫銅排高質(zhì)量選擇</p><p><span>***更新：</span>2020-06-24 10:25:36</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="o2eaom2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫博納斯特鋼有限公司</a></p><p><span>聯(lián)系人：</span>姜帥</p><p><span>郵箱: </span></p><p><span>電話: </span>18961869366</p><p><span>傳真: </span>0510_83261806</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-83261968</p><p><span>地址: </span>惠山區(qū)惠澄大道77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="myge4g0" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="aem2mc0" class="box"><p><p> 鍍錫銅排變黃變黑的原因 </p> <p> 鍍錫銅排變色：銅排中鍍錫銅排有熱鍍錫和電鍍錫，這兩種鍍錫都會(huì)存在有銅材表面發(fā)黑的現(xiàn)象，如果剛鍍錫完成后沒(méi)有出現(xiàn)有變色的現(xiàn)象，而過(guò)了幾天就出現(xiàn)了發(fā)黑變色的現(xiàn)象，有幾種可能存在，第1一，鹽城正規(guī)紫銅排高質(zhì)量選擇，是t2銅排的存放空間的環(huán)境，如果環(huán)境惡劣，會(huì)直接導(dǎo)致鍍錫層發(fā)黑的；二，鹽城正規(guī)紫銅排高質(zhì)量選擇，錫本身的純度不夠，雜質(zhì)過(guò)多也會(huì)加速氧化發(fā)黑的進(jìn)程；三，鹽城正規(guī)紫銅排高質(zhì)量選擇，鍍錫銅排層有污染物存在，包括沒(méi)帶手套的手直接接觸的表面等，鍍錫銅排所變黃，說(shuō)明已經(jīng)氧化。如果是線路板上的銅泊氧化。說(shuō)明您的產(chǎn)品在鍍錫時(shí)用到的助焊劑沒(méi)有起到上錫后保護(hù)鉛泊表面的作用。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城正規(guī)紫銅排高質(zhì)量選擇" src="http://tyunfile.71360.com/UploadFile/wxbnstg/637123665475654296/7735487.jpg"></div><p style="text-indent:25px">t2紫銅排的主要材質(zhì)包括；CU銅≧99.92%O≦0.003%其他≦0.02%t2紅銅性能指標(biāo)：密度8.9g/cm3電導(dǎo)率≧97%LACS硬度≧86HV t2紫銅排產(chǎn)品特點(diǎn)在于主要采用了高純度點(diǎn)解銅原材料和先進(jìn)的擠壓，拉拔工藝，組織密度，無(wú)氣孔，放點(diǎn)未定，電極無(wú)方向性。 t2紫銅排應(yīng)用；精密放電用銅等 t2紅銅排品質(zhì)表現(xiàn)；第1一、電蝕速度快，加工效率高。第二、電極損耗少，加工精度高。第三、加工表面光澤度高，不粗糙。D變形小。第四、材料光面供應(yīng)/無(wú)黑皮，材料真實(shí)成本低。所以 t2紅銅排在此保證下?lián)碛休^高的導(dǎo)電率≧97%在同樣的電蝕條件下，比普通紅銅的加工速度快。較高的導(dǎo)電率使電極本身的損耗少，保證了精度。2：較少的雜質(zhì)含量≦0.02%，雜質(zhì)是電蝕表面非常粗糙，而t2銅排因?yàn)闆](méi)有雜質(zhì)參與放電，工件表面比較光潔，即減少打磨拋光的時(shí)間又保證了精度，保證了電極使用效率，t2紅銅排沒(méi)有夾灰、氣孔、砂眼的缺點(diǎn)，少了徐福電極或重復(fù)加工電機(jī)的機(jī)會(huì)，提高生率。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城正規(guī)紫銅排高質(zhì)量選擇" src="http://tyunfile.71360.com/UploadFile/wxbnstg/637123665482626953/9476149.jpg"></div><p style="text-indent:25px">中國(guó)紫銅加工材按成分可分為:普通紫銅 ,T2,T3,T4,無(wú)氧銅(TU1,TU2和高純,真空無(wú)氧銅)脫氧銅(TUP,TUMn添加少量合金 ,無(wú)氧銅(和高純,真空無(wú)氧銅)脫氧銅(,脫氧銅 ,添加少量合金 ,,,,元素的特種銅(銅,碲銅,銀銅)四類(lèi).紫銅的電導(dǎo)率和熱導(dǎo)率僅次于銀,元素的特種銅(銅,碲銅,銀銅)四類(lèi).紫銅的電導(dǎo)率和熱導(dǎo)率僅次于銀,***用于制作導(dǎo)電,導(dǎo)熱器材.紫銅在大氣,海水和某些非氧化性酸(鹽酸,稀硫酸),堿作導(dǎo)電,導(dǎo)熱器材.紫銅在大氣,海水和某些非氧化性酸(鹽酸,稀硫酸)堿,鹽溶液及 ,多種有機(jī)酸醋酸,檸檬酸)有機(jī)酸(有良好的耐蝕性,用于化學(xué)工業(yè).另外,多種有機(jī)酸(醋酸。紫銅就是銅單質(zhì)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/373228.html</p></div></div></div></div></div><div id="cgemk2q" class="page-right twoColRt"><div id="kaqy4uc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gmkaywu" 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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