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href="http://www.cdcfah.com/cp/third-xifuji_qitaxifuji/">其他吸附劑</a>?衢州錫焊助焊劑歡迎來(lái)電杭州正盟環(huán)保工程供應(yīng)</p><div id="8gvhe8w" class="leftbox clearfix"><h1>衢州錫焊助焊劑歡迎來(lái)電杭州正盟環(huán)保工程供應(yīng)</h1><div id="c9l8hjg" class="proBig"><div id="oqph87j" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274804687/3589720.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cjgiu4a" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274804687/3589720.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jlifhbc" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>衢州錫焊助焊劑,助焊劑</p><p><span>***更新：</span>2020-11-27 03:07:32</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3fxuwqm" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">杭州正盟環(huán)保工程有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span></p><p><span>電話: </span>13771706346</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span>http://www.hzzmhbgc.com</p><p><span>手機(jī): </span>0571-88117763</p><p><span>地址: </span>順風(fēng)路528號(hào)2號(hào)樓南樓東向3層</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="poq7m7e" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8xzbiub" class="box"><p><p style="text-indent:25px">【正盟環(huán)?！恐竸└鞒煞值淖饔弥袡C(jī)胺與酸復(fù)配使用有機(jī)胺本身含有氨基-NH︰具有活性，衢州錫焊助焊劑，加入有機(jī)胺可促進(jìn)焊接效果。為了減小助焊劑對(duì)銅板的腐蝕作用，可在配制的助焊劑中加入一定量的緩蝕劑，緩蝕劑通常選擇有機(jī)胺。有機(jī)酸和有機(jī)胺混合會(huì)發(fā)生中和反應(yīng)，生成中和產(chǎn)物，衢州錫焊助焊劑。這種中和產(chǎn)物是不穩(wěn)定的，在焊接溫度下會(huì)迅速分解，重新生成有機(jī)酸和有機(jī)胺，這樣就能保證有機(jī)酸原有的活性，焊接結(jié)束后，剩余的有機(jī)酸又會(huì)被有機(jī)胺中和，使殘留物的酸性下降，減少腐蝕。因此加入了有機(jī)胺類(lèi)以后，不僅可以調(diào)節(jié)助焊劑的酸度，衢州錫焊助焊劑，可以使焊點(diǎn)光亮，在不降低焊劑活性的情況下，焊后腐蝕性降至低。生產(chǎn)助焊劑，批發(fā)質(zhì)量助焊劑，質(zhì)量保證，價(jià)格優(yōu)惠，量大從優(yōu)。衢州錫焊助焊劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="衢州錫焊助焊劑,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274804687/3589720.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！俊局竸抗夥M件助焊劑是專(zhuān)為太陽(yáng)能自動(dòng)串焊機(jī)設(shè)計(jì)的一款極低固含量的高可靠焊接性能的環(huán)保助焊劑。本型號(hào)產(chǎn)品以混合醇和醇醚類(lèi)作為增溶劑【正盟環(huán)保】【助焊劑】NCF-1087A助焊劑是針對(duì)電子行業(yè)開(kāi)發(fā)的一款環(huán)保型免清洗助焊劑。助焊劑體系的活性經(jīng)過(guò)特別設(shè)計(jì)，合適的固體含量及其內(nèi)部活性機(jī)理保證了良好的焊接效果，無(wú)殘?jiān)绊戨娦阅埽负髿埩粑飿O少，在無(wú)特殊需求條件下，可免除清洗工序，進(jìn)而節(jié)約制造商的生產(chǎn)費(fèi)用和工作時(shí)間。嘉興什么助焊劑現(xiàn)貨供應(yīng)，杭州正盟環(huán)保生產(chǎn)，質(zhì)量助焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="衢州錫焊助焊劑,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275439453/9758486.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！侩娮庸I(yè)助焊劑之如何從技術(shù)性能指標(biāo)的角度選擇助焊劑？(三) 銅鏡腐蝕性：助焊劑的腐蝕性大小是對(duì)酸性強(qiáng)弱對(duì)基材影響的進(jìn)一步驗(yàn)證，衡量腐蝕性大小一般是在使用相當(dāng)普遍的基材銅上做銅鏡腐蝕試驗(yàn)。這項(xiàng)指標(biāo)也是需要在腐蝕性和可焊性之間做權(quán)衡。表面絕緣電阻：表面絕緣電阻的反應(yīng)的是助焊劑焊后產(chǎn)品可靠性，按照不同的測(cè)試標(biāo)準(zhǔn)對(duì)表面絕緣電阻值的要求也不一樣，按照GBT9491-2002標(biāo)準(zhǔn)SIR大于1011Ω，而按照IPC J-STD-004標(biāo)準(zhǔn)，SIR大于108Ω，因測(cè)試方法不同，兩者的對(duì)比并無(wú)意義。但可以確定的是SIR值是越大對(duì)焊后產(chǎn)品越有利。電化學(xué)遷移：電化學(xué)遷移也是對(duì)表面絕緣電阻值的進(jìn)一步要求，在更極端的環(huán)境下考察助焊劑的表面絕緣電阻。當(dāng)然該項(xiàng)指標(biāo)亦越大對(duì)焊后產(chǎn)品越有利。除上述詳細(xì)的技術(shù)參數(shù)的考慮，其次還需結(jié)合所需要裝配的電子產(chǎn)品的類(lèi)別或技術(shù)要求，選擇合適的助焊劑產(chǎn)品；需要對(duì)所選助焊劑，進(jìn)行試驗(yàn)驗(yàn)證和有效評(píng)估。</p><p style="text-indent:25px">【正盟環(huán)保】對(duì)于使用廠商來(lái)說(shuō)，因?yàn)橹竸┑某煞菔菦](méi)有辦法做出測(cè)試的.如果要想了解助焊劑溶劑是否揮發(fā)，可以簡(jiǎn)單的從比重上測(cè)量,如果比重增大很多，就可以斷定溶劑有所揮發(fā).選擇助焊劑時(shí)，有以下幾點(diǎn)建議給使用廠商：一、聞氣味初步斷定是用何種溶劑如甲醇味道比較小但很嗆，異丙醇味道比較重一些，乙醇就有醇香味，雖然說(shuō)供應(yīng)商也可能用混合溶劑，但要求供應(yīng)商提供成份報(bào)告，一般他們還是會(huì)提供的；但是，異丙醇的價(jià)格大概是甲醇的3-4倍，如果和供應(yīng)商壓價(jià)的厲害，可能這里面的東西就不好說(shuō)了二、確定樣品這也是很多廠商選擇助焊劑的根本的方法，在確認(rèn)樣品時(shí)，應(yīng)要求供應(yīng)商提供相關(guān)參數(shù)報(bào)告，并與樣品對(duì)照，如樣品確認(rèn)OK，后續(xù)交貨時(shí)應(yīng)按原有參數(shù)對(duì)照，出現(xiàn)異常時(shí)應(yīng)檢查比重，酸度值等,助焊劑的發(fā)煙量也是很重要的一個(gè)指標(biāo)。三、助焊劑市場(chǎng)是良莠不齊，選擇時(shí)對(duì)供應(yīng)商的資質(zhì)應(yīng)該進(jìn)行確切了解，如有必要可以去廠商去看廠，如果是不正規(guī)的焊劑廠商，是很怕這一套的。杭州正盟環(huán)保，專(zhuān)業(yè)生產(chǎn)***，環(huán)保級(jí)助焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="衢州錫焊助焊劑,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274472656/4640738.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！俊局竸┬≈R(shí)】助焊劑各成分的作用被焊金屬工件表面存在氧化物、灰塵等污垢，阻礙工件基體金屬和焊料之間以原子狀態(tài)相互擴(kuò)散，因此必須去除氧化物等以使表面清潔露出金屬基體，但是被清潔的金屬基體表面的原子在大氣中又立刻被氧化，在焊接溫度下，氧化速度更快。所以在焊接過(guò)程中加入助焊劑，用來(lái)協(xié)助提供沒(méi)有氧化層的金屬表面，并保持這些表面的無(wú)氧化物狀態(tài)，直到焊錫與金屬表面完成焊接過(guò)程。同時(shí)依靠焊劑的化學(xué)作用，與被焊金屬表面的氧化物化合，在焊接溫度下形成液態(tài)化合物，使被焊金屬部位表面的金屬原子與熔融焊料的原子相互擴(kuò)散，以達(dá)到錫焊連接的目的。在焊接過(guò)程中助焊劑還能促進(jìn)焊錫的流動(dòng)和擴(kuò)散，通過(guò)減小表面不平度來(lái)影響焊錫表面張力在焊錫擴(kuò)散方向上的平衡。理想的助焊劑除化學(xué)活性外，還要具有良好的熱穩(wěn)定性、粘附力、擴(kuò)展力、電解活性、環(huán)境穩(wěn)定性、化學(xué)官能團(tuán)及其反應(yīng)特性、流變特性、對(duì)通用清洗溶液和設(shè)備的適應(yīng)性等。助焊劑的上述作用都是通過(guò)其中的活化劑、溶劑、表面活性劑等成分的作用來(lái)實(shí)現(xiàn)的。廠家成本價(jià)銷(xiāo)售出廠價(jià)批發(fā)環(huán)保助焊劑。北京助焊劑制作</p><p style="text-indent:25px">正盟牌助焊劑，杠杠的。衢州錫焊助焊劑</p><p style="text-indent:25px">【正盟環(huán)?！恐竸└鞒煞值淖饔弥姥趸瘎?防氧化劑主要功能是防止焊料氧化，一般為酚類(lèi)（對(duì)苯二酚、鄰苯二酚、2、6-二叔丁基對(duì)甲苯酚），抗壞血酸及其衍生物等。特別是在水溶性助焊劑中，一定要有防氧化劑。F?J?賈斯基在助焊劑中加入多核芳香族化合物，在加熱時(shí)釋放出N 2 形成惰性氣氛從而防止氧化。成膜劑選用烴、醇、脂，這類(lèi)物質(zhì)一般具有良好的電氣性能，常溫下起保護(hù)膜作用不顯活性，在200℃~300℃的焊接溫度下顯示活性，具有無(wú)腐蝕、防潮等特點(diǎn)。衢州錫焊助焊劑</p><p style="text-indent:25px">杭州正盟環(huán)保工程有限公司致力于環(huán)保，是一家生產(chǎn)型的公司。正盟環(huán)保致力于為客戶(hù)提供良好的助焊劑，錫絲，錫條，錫膏，一切以用戶(hù)需求為中心，深受廣大客戶(hù)的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造環(huán)保良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶(hù)成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2159115.html</p></div></div></div></div></div><div id="wgia8dr" class="page-right twoColRt"><div id="uzb3mjv" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oprtvzg" 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" 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