南京助焊劑廠家正盟環(huán)保杭州正盟環(huán)保工程供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="【正盟環(huán)保】助焊劑各成分的作用之緩蝕劑緩蝕劑一般為吡咯類，例如苯并三氮唑（BTA），南京助焊劑廠家，它是銅的高效緩蝕劑，其加入可以抑制助焊劑中的活性劑對(duì)銅板產(chǎn)生的腐蝕。一般認(rèn)為苯并三氮唑與銅反應(yīng)生成不溶性聚合物的沉淀膜。王偉科根據(jù)化學(xué)分析和"><meta name="keywords" content="南京助焊劑廠家,助焊劑"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南京助焊劑廠家,助焊劑</p><p><span>***更新：</span>2020-09-12 10:05:25</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="ospm2u3" 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="84lxub9" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7q2colv" class="box"><p><p style="text-indent:25px">【正盟環(huán)?！恐竸└鞒煞值淖饔弥徫g劑緩蝕劑一般為吡咯類，例如苯并三氮唑（BTA），南京助焊劑廠家，它是銅的高效緩蝕劑，其加入可以抑制助焊劑中的活性劑對(duì)銅板產(chǎn)生的腐蝕。一般認(rèn)為苯并三氮唑與銅反應(yīng)生成不溶性聚合物的沉淀膜。王偉科根據(jù)化學(xué)分析和X射線分析，認(rèn)為膜的經(jīng)驗(yàn)式是BTA 4 Cu3Cl2? H2O和（BTA2Cu）2CuCl2?H2O，南京助焊劑廠家，且聚合物和金屬銅的表面平行，非常穩(wěn)定。BTA在Cu 2 O層上成膜比在 CuO層上成膜更容易，南京助焊劑廠家，而且膜的厚度厚了近一倍。 BTA的濃度大于l0-3 mol／L時(shí)，就可以很好地抑制銅的腐蝕。廠家現(xiàn)貨供應(yīng)助焊劑，焊接*****助焊劑。南京助焊劑廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京助焊劑廠家,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274873046/806821.jpg"></div><p style="text-indent:25px">【正盟環(huán)保】助焊劑中還包含許多其它有用成分。溶劑主要作用是溶解焊劑中的所含成分，作為各成分的載體，使之成為均勻的粘稠液體。一般為醇類、酯類、醇醚類、烴類、酮類等。高沸點(diǎn)的醇保護(hù)效果較好，但粘度大、使用不便；低沸點(diǎn)的醇黏度低，但保護(hù)性差，因而可以考慮選擇混合醇的方法。一般為高沸點(diǎn)和低沸點(diǎn)醇的混合物，有的使用水溶性的醇和不溶于水的醚作溶劑。李偉浩以超支化結(jié)構(gòu)和平均分子量為2000的水溶性聚合物作為助焊劑載體，超支化的分子構(gòu)型不僅能提高聚合物的熱分解溫度，同時(shí)可以降低聚合物的粘度，增強(qiáng)聚合物的滲透和潤濕性能。表面活性劑主要作用是降低焊劑的表面張力，增加焊劑對(duì)焊粉和焊盤的親潤性。北京助焊劑國標(biāo)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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京助焊劑廠家,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275751953/4246134.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！克上愫秃稿a膏兩者有何分別？無機(jī)助焊劑一般是某些酸或者鹽，比如正磷酸H3PO4，有機(jī)助焊劑主要是某些有機(jī)酸或者有機(jī)鹵素；相對(duì)來說，無機(jī)助焊劑活性相當(dāng)強(qiáng)，去除氧化膜效果較好，但腐蝕性也強(qiáng)，很容易傷及金屬及焊點(diǎn)，一般不能在焊接電子產(chǎn)品中運(yùn)用。焊錫膏就是用機(jī)油乳化后的無機(jī)焊劑，焊接后可用溶劑清洗，不過電路板的有些部位是很難清洗的，所以一般不推薦運(yùn)用焊錫膏。有機(jī)助焊劑活性僅次于無機(jī)助焊劑，也有一定的腐蝕性，且殘?jiān)灰浊逑?，揮發(fā)物對(duì)人體有害。松香的主要成份是松香酸和海松酸，一般成中性，液態(tài)松香有一定活性，呈現(xiàn)較弱的酸性，能與金屬表面氧化物發(fā)生反應(yīng)，生成松香酸銅等化合物，并懸浮在焊錫表面，且運(yùn)用的時(shí)候無腐蝕，絕緣性強(qiáng)。一般說來，松香是常用的助焊劑。</p><p style="text-indent:25px">【正盟環(huán)?！俊局竸抗夥M件助焊劑是專為太陽能自動(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，無殘?jiān)绊戨娦阅?，焊后殘留物極少，在無特殊需求條件下，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。杭州正盟環(huán)保工程有限公司專業(yè)生產(chǎn)水基環(huán)保免清洗焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京助焊劑廠家,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275830078/3192344.jpg"></div><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”。買助焊劑認(rèn)準(zhǔn)正盟牌。湖州錫焊助焊劑</p><p style="text-indent:25px">助焊劑廠家直供，一手貨源！南京助焊劑廠家</p><p style="text-indent:25px">【正盟環(huán)保】目前國內(nèi)常用的可靠性評(píng)價(jià)試驗(yàn)主要為：表面絕緣阻抗測試，其次銅鏡腐蝕測試、離子濃度測試、軟釬焊性試驗(yàn)等。銅鏡腐蝕測試將欲測試的免清洗助焊劑滴在銅板(40.0mm×40.0 mm×0.2 mm)上，使其自然漫流，然后放人80℃的烘箱中烘2 h，取出冷卻后再放入潮濕箱(溫度40℃，濕度93%)中72 h查看銅板的顏色變化，如顏色變?yōu)樯罹G，則發(fā)生了腐蝕，如顏色無變化或有殘?jiān)瑒t表明未發(fā)生腐蝕現(xiàn)象。不粘附性試驗(yàn) 將粉筆末撒到此種涂有免清洗助焊劑焊料的表面，然后擦去，不粘附；用紗布方法試驗(yàn)，紗布上看不到助焊劑殘留物，試板上也無明顯紗布痕跡。說明此種免清洗助焊劑的不粘附性性能優(yōu)良。軟釬焊性試驗(yàn) 在涂有免清洗助焊劑的清潔銅板(50 mm×50mm×1 mm)**放上HLSnPb50(D8 mm×4 mm)釬料，釬料上分別滴上兩滴助焊劑，然后置于275℃的恒溫箱內(nèi)1 min，取出測其漫流面積，據(jù)此可判斷助焊性能的強(qiáng)弱。南京助焊劑廠家</p><p style="text-indent:25px">杭州正盟環(huán)保工程有限公司總部位于順風(fēng)路528號(hào)2號(hào)樓南樓東向3層，是一家杭州正盟環(huán)保工程有限公司成立于1992年，坐落于杭州錢江經(jīng)濟(jì)開發(fā)區(qū)。多年公司秉承“誠信、創(chuàng)新、品質(zhì)、分享”的企業(yè)理念，依托區(qū)位、研發(fā)、生產(chǎn)、營銷等相對(duì)優(yōu)勢，致力于“產(chǎn)、學(xué)、研”相結(jié)合和科研成果的轉(zhuǎn)化，先后與同濟(jì)大學(xué)環(huán)境科學(xué)與工程學(xué)院、原化工部成都研究所等學(xué)術(shù)機(jī)構(gòu)建立技術(shù)合作關(guān)系，在電子化學(xué)、環(huán)境功能材料等領(lǐng)域成績斐然。公司有同濟(jì)大學(xué)聯(lián)合實(shí)驗(yàn)室、科研成果孵化基地。成產(chǎn)基地、工程中心和銷售中心組成，擁有多項(xiàng)自主知識(shí)產(chǎn)權(quán)和新型實(shí)用技術(shù)，多臺(tái)套先進(jìn)生產(chǎn)、分析、檢測、計(jì)量設(shè)備，嚴(yán)格依照ISO090001:2000質(zhì)量保證體系運(yùn)行。正盟公司以先進(jìn)實(shí)用技術(shù)、質(zhì)量穩(wěn)定的產(chǎn)品和及時(shí)質(zhì)量的服務(wù)在業(yè)界廣受贊譽(yù)，產(chǎn)品廣泛應(yīng)用于電子、通訊、信息、航空航天、醫(yī)藥、石化等領(lǐng)域，取得良好市場反響和經(jīng)驗(yàn)業(yè)績。今后將繼續(xù)堅(jiān)持技術(shù)創(chuàng)新、品質(zhì)提升和優(yōu)化市場響應(yīng)，竭力為客戶帶來嶄新體驗(yàn)，不斷為客戶提供質(zhì)量產(chǎn)品。竭誠歡迎新老客戶和社會(huì)各界朋友蒞臨我司參觀考察，指導(dǎo)交流，期待與您攜手、共創(chuàng)輝煌明天。的公司。正盟環(huán)保深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的助焊劑，錫絲，錫條，錫膏。正盟環(huán)保始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。正盟環(huán)保創(chuàng)始人李兆香，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br 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