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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="fyvxevh" class="twoCol"><div id="bacjvm8" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_huanbao/">環(huán)保</a>?<a href="http://www.cdcfah.com/cp/second-huanbao_xifuji/">吸附劑</a>?<a href="http://www.cdcfah.com/cp/third-xifuji_qitaxifuji/">其他吸附劑</a>?杭州金屬助焊劑真誠(chéng)推薦杭州正盟環(huán)保工程供應(yīng)</p><div id="ilsp2kb" class="leftbox clearfix"><h1>杭州金屬助焊劑真誠(chéng)推薦杭州正盟環(huán)保工程供應(yīng)</h1><div id="ikbiub3" class="proBig"><div id="kyfhja7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275830078/3192344.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8whtqsj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275830078/3192344.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hgikwiz" 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>杭州金屬助焊劑,助焊劑</p><p><span>***更新：</span>2020-11-26 06:07:22</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="dsugnoa" 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="nw2qsza" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="jdpy3i8" class="box"><p><p style="text-indent:25px">【正盟環(huán)?！棵馇逑吹膬?yōu)越性 ①提高經(jīng)濟(jì)效益：實(shí)現(xiàn)免清洗后，直接的就是不必進(jìn)行清洗工作，因此可以大量節(jié)約清洗人工，杭州金屬助焊劑、設(shè)備、場(chǎng)地、材料（水、溶劑）和能源的消耗，同時(shí)由于工藝流程的縮短，節(jié)約了工時(shí)提高了生產(chǎn)效率。 ②提高產(chǎn)品質(zhì)量：由于免清洗技術(shù)的實(shí)施，要求嚴(yán)格控制材料的質(zhì)量，如助焊劑的腐蝕性能（不允許含有鹵化物）、元器件和印制電路板的可焊性等；在裝聯(lián)過(guò)程中，需要采用一些先進(jìn)的工藝手段，如噴霧法涂敷助焊劑、在惰性氣體保護(hù)下焊接等。實(shí)施免清洗工藝，杭州金屬助焊劑，可避免清洗應(yīng)力對(duì)焊接組件的損傷，因此免清洗對(duì)提高產(chǎn)品質(zhì)量是極為有利的。 ③有利于環(huán)境保護(hù)：采用免清洗技術(shù)后，可停止使用ODS物質(zhì)，也大幅度地減少了揮發(fā)性有機(jī)物（VOC）的使用，從而對(duì)保護(hù)臭氧層具有積極作用，杭州金屬助焊劑。***環(huán)保級(jí)助焊劑生產(chǎn)加工，現(xiàn)貨批發(fā)。杭州金屬助焊劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州金屬助焊劑,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275830078/3192344.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！恐竸┓N類電子產(chǎn)品的組裝與維修中常用的有松香、松香混合焊劑、焊膏和鹽酸等軟焊劑，在不同的場(chǎng)合應(yīng)根據(jù)不同的焊接工件進(jìn)行選用。助焊劑的種類繁多，一般可分為無(wú)機(jī)系列、有機(jī)系列和樹脂系列。無(wú)機(jī)系列助焊劑無(wú)機(jī)系列助焊劑的化學(xué)作用強(qiáng)，助焊性能非常好，但腐蝕作用大，屬于酸性焊劑。因?yàn)樗芙庥谒?，故又稱為水溶性助焊劑，它包括無(wú)機(jī)酸和無(wú)機(jī)鹽2類。含有無(wú)機(jī)酸的助焊劑的主要成分是鹽酸、氫氟酸等，含有無(wú)機(jī)鹽的助焊劑的主要成分是氯化鋅、氯化銨等，它們使用后必須立即進(jìn)行非常嚴(yán)格的清洗，因?yàn)槿魏螝埩粼诒缓讣系柠u化物都會(huì)引起嚴(yán)重的腐蝕。這種助焊劑通常只用于非電子產(chǎn)品的焊接，在電子設(shè)備的裝聯(lián)中嚴(yán)禁使用這類無(wú)機(jī)系列的助焊劑。金華助焊劑廠家環(huán)保級(jí)助焊劑現(xiàn)貨供應(yīng)廠家直銷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州金屬助焊劑,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275605468/6502823.jpg"></div><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（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)。 </p><p style="text-indent:25px">【正盟環(huán)保】什么是免清洗助焊劑免清洗是指在電子裝聯(lián)生產(chǎn)中采用低固態(tài)含量、無(wú)腐蝕性的助焊劑，在惰性氣體環(huán)境下焊接，焊后電路板上的殘留物極微、無(wú)腐蝕，且具有極高的表面絕緣電阻（SIR），一般情況下不需要清洗既能達(dá)到離子潔凈度的標(biāo)準(zhǔn)（美軍標(biāo)MIL-P-228809離子污染等級(jí)劃分為：一級(jí)≤1.5ugNaCl/cm2無(wú)污染；二級(jí)≤1.5～5.0ugNACl/cm2質(zhì)量高；三級(jí)≤5.0～10.0ugNaCl/cm2符合要求；四級(jí)>10.0ugNaCl/cm2不干凈），可直接進(jìn)入下道工序的工藝技術(shù)。必須指出的是“免清洗”與“不清洗”是不同的2個(gè)概念，所謂“不清洗”是指在電子裝聯(lián)生產(chǎn)中采用傳統(tǒng)的松香助焊劑（RMA）或有機(jī)酸助焊劑，焊接后雖然板面留有一定的殘留物，但不用清洗也能滿足某些產(chǎn)品的質(zhì)量要求，如家用電子產(chǎn)品、專業(yè)聲視設(shè)備、低成本辦公設(shè)備等產(chǎn)品，它們生產(chǎn)時(shí)通常是“不清洗”的，并不是“免清洗”。生產(chǎn)水基環(huán)保免清洗焊劑、光伏組件助焊劑廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州金屬助焊劑,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274804687/3589720.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！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？(一) 助焊劑是電子工業(yè)中相當(dāng)重要的輔助材料之一，它在電子裝配工藝中影響電子產(chǎn)品質(zhì)量與可靠性。隨著現(xiàn)代信息電子工業(yè)的迅猛發(fā)展，助焊劑的使用量大要求越來(lái)越高。如何能在眾多的助焊劑中挑選一款適合自己所需要的產(chǎn)品，滿足波峰焊工藝使用，從技術(shù)性能指標(biāo)的角度可供初步參考篩選到適合的產(chǎn)品，首先需要正確理解其各項(xiàng)技術(shù)性能指標(biāo)： PH值：助焊劑去除焊接金屬表面的金屬氧化物通過(guò)酸性反應(yīng)，酸性越強(qiáng)PH值越低，助焊劑的去氧化能力則越強(qiáng)，但同時(shí)帶來(lái)的過(guò)反應(yīng)的問(wèn)題而把金屬基材腐蝕。故助焊劑酸性的大小應(yīng)與金屬材料敏感性相匹配，精密焊接不宜選擇酸性太強(qiáng)的助焊劑，或者焊后需要進(jìn)行清洗。杭州正盟環(huán)保，現(xiàn)貨供應(yīng)環(huán)保級(jí)助焊劑，洗焊劑，環(huán)保錫絲。湖州生產(chǎn)助焊劑</p><p style="text-indent:25px">廠家供應(yīng)國(guó)標(biāo)助焊劑***安全焊接。杭州金屬助焊劑</p><p style="text-indent:25px">【正盟環(huán)?！棵馇逑粗竸?要使焊接后的PCB板面不用清洗就能達(dá)到規(guī)定的質(zhì)量水平，助焊劑的選擇是一個(gè)關(guān)鍵，通常對(duì)免清洗助焊劑有下列要求： ①低固態(tài)含量：2%以下傳統(tǒng)的助焊劑有較高的固態(tài)含量（20～40%）、中等的固態(tài)含量（10～15%）和較低的固態(tài)含量（5～10%），用這些助焊劑焊接后的PCB板面留有或多或少的殘留物，而免清洗助焊劑的固態(tài)含量要求低于2%，而且不能含有松香，因此焊后板面基本無(wú)殘留物。 ②無(wú)腐蝕性：不含鹵素、表面絕緣電阻>1.0×1011Ω 傳統(tǒng)的助焊劑因?yàn)橛休^高的固態(tài)含量，焊接后可將部分有害物質(zhì)“包裹起來(lái)”，隔絕與空氣的接觸，形成絕緣保護(hù)層。而免清洗助焊劑，由于極低的固態(tài)含量不能形成絕緣保護(hù)層，若有少量的有害成分殘留在板面上，就會(huì)導(dǎo)致腐蝕和漏電等嚴(yán)重不良后果。因此，免清洗助焊劑中不允許含有鹵素成分。杭州金屬助焊劑</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，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。正盟環(huán)保深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的助焊劑，錫絲，錫條，錫膏。正盟環(huán)保致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。正盟環(huán)保始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使正盟環(huán)保在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2149010.html</p></div></div></div></div></div><div id="xlegiug" class="page-right twoColRt"><div id="zolxjah" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="blsu23l" 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