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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ymjgn3j" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275751953/4246134.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bj8vxel" 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>珠海助焊劑批發(fā),助焊劑</p><p><span>***更新：</span>2020-08-21 15:19:00</p><p><span id="click" >瀏覽次數(shù)：8次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="yh77c2s" 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2號樓南樓東向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="zncjqce" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="823acum" class="box"><p><p style="text-indent:25px">【正盟環(huán)保】助焊劑的種類很多，大體上可分為有機(jī)，珠海助焊劑批發(fā)、無機(jī)和樹脂三大系列。 1、無機(jī)：無機(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。由于它溶解于水，所以又稱為水溶性助焊劑，它包括無機(jī)酸和無機(jī)鹽兩種。含有無機(jī)酸的助焊劑的主要成分是鹽酸、氫氟酸等，含有無機(jī)鹽的助焊劑的主要成分是氯化鋅、氯化銨等，珠海助焊劑批發(fā)，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，珠海助焊劑批發(fā)。無機(jī)系列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)禁使用這類無機(jī)系列的助焊劑。助焊劑哪家好，杭州正盟環(huán)保工程有限公司。珠海助焊劑批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海助焊劑批發(fā),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275751953/4246134.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！磕壳皣鴥?nèi)常用的可靠性評價(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)?，則表明未發(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。珠海助焊劑批發(fā)環(huán)保級助焊劑現(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="珠海助焊劑批發(fā),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274609375/2746468.jpg"></div><p style="text-indent:25px">【正盟環(huán)保】助焊劑（flux）：在焊接工藝中能幫助和促進(jìn)焊接過程，同時(shí)具有保護(hù)作用、阻止氧化反應(yīng)的化學(xué)物質(zhì)。助焊劑可分為固體、液體和氣體。主要有“輔助熱傳導(dǎo)”、“去除氧化物”、“降低被焊接材質(zhì)表面張力”、“去除被焊接材質(zhì)表面油污、增大焊接面積”、“防止再氧化”等幾個(gè)方面，在這幾個(gè)方面中比較關(guān)鍵的作用有兩個(gè)就是：“去除氧化物”與“降低被焊接材質(zhì)表面張力”。助焊劑通常是以松香為主要成分的混合物，是保證焊接過程順利進(jìn)行的輔助材料。焊接是電子裝配中的主要工藝過程，助焊劑是焊接時(shí)使用的輔料，助焊劑的主要作用是去除焊料和被焊母材表面的氧化物，使金屬表面達(dá)到必要的清潔度.它防止焊接時(shí)表面的再次氧化，降低焊料表面張力，提高焊接性能.助焊劑性能的優(yōu)劣，直接影響到電子產(chǎn)品的質(zhì)量。</p><p style="text-indent:25px">【正盟環(huán)?！繕渲盗兄竸?松香系列焊劑根據(jù)有無添加活性劑和化學(xué)活性的強(qiáng)弱，被分為非活性化松香、弱活性化松香、活性化松香和超活性化松香4種，美國MIL標(biāo)準(zhǔn)中分別稱為R、RMA、RA、RSA。 ①非活性化松香（R）：它是由純松香溶解在合適的溶劑（如異丙醇、乙醇等）中組成，其中沒有活性劑，消除氧化膜的能力有限，所以要求被焊件具有非常好的可焊性。通常應(yīng)用在一些使用中相對不允許有腐蝕危險(xiǎn)存在的電路中，如植入心臟的起搏器等。杭州正盟環(huán)保工程有限公司坐落于杭州錢江經(jīng)濟(jì)開發(fā)區(qū)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海助焊劑批發(fā),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275439453/9758486.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！恐竸┏煞?免洗助焊劑主要原料為有機(jī)溶劑，松香樹脂及其衍生物、合成樹脂表面活性劑、有機(jī)酸活化劑、防腐蝕劑，助溶劑、成膜劑.簡單地說是各種固體成分溶解在各種液體中形成均勻透明的混合溶液，其中各種成分所占比例各不相同，所起作用不同有機(jī)溶劑：酮類、醇類、酯類中的一種或幾種混合物，常用的有乙醇、丙醇、丁醇;**、甲苯異丁基甲酮;醋酸乙酯,醋酸丁酯等.作為液體成分，其主要作用是溶解助焊劑中的固體成分，使之形成均勻的溶液，便于待焊元件均勻涂布適量的助焊劑成分，同時(shí)它還可以清洗輕的臟物和金屬表面的油污.助焊劑廠家，高質(zhì)量現(xiàn)貨供應(yīng)，量大從優(yōu)。湖州助焊劑要求</p><p style="text-indent:25px">生產(chǎn)水基環(huán)保助焊劑，廠家直發(fā)。珠海助焊劑批發(fā)</p><p style="text-indent:25px">【正盟環(huán)保】松香和焊錫膏兩者有何分別？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。珠海助焊劑批發(fā)</p><p style="text-indent:25px">杭州正盟環(huán)保工程有限公司創(chuàng)建于2011-03-18，注冊資金 300-500萬元，是一家專注杭州正盟環(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。唯才是舉，唯能是用：擁有優(yōu)異人才11~50人和，是實(shí)現(xiàn)企業(yè)戰(zhàn)略目標(biāo)的基礎(chǔ)，是企業(yè)持續(xù)發(fā)展的動(dòng)力。杭州正盟環(huán)保工程有限公司主營業(yè)務(wù)涵蓋[ "助焊劑", "錫絲", "錫條", "錫膏" ]，堅(jiān)持“質(zhì)量優(yōu)先、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。公司力求給客戶提供全數(shù)質(zhì)量服務(wù)，我們相信誠實(shí)正直、開拓進(jìn)取地為公司發(fā)展做正確的事情，將為公司和個(gè)人帶來共同的利益和進(jìn)步。經(jīng)過幾年的發(fā)展，已成為[ "助焊劑", "錫絲", "錫條", "錫膏" ]行業(yè)出名企業(yè)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/992742.html</p></div></div></div></div></div><div id="gzr82bn" class="page-right twoColRt"><div id="3gcz7qs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="keli3fc" 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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="etvxkwt" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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