南京助焊劑分類正盟環(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】助焊劑的種類很多，大體上可分為有機(jī)、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"><meta name="keywords" content="南京助焊劑分類,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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href="http://www.cdcfah.com/cp/third-xifuji_qitaxifuji/">其他吸附劑</a>?南京助焊劑分類正盟環(huán)保杭州正盟環(huán)保工程供應(yīng)</p><div id="azw33as" class="leftbox clearfix"><h1>南京助焊劑分類正盟環(huán)保杭州正盟環(huán)保工程供應(yīng)</h1><div id="c74nk33" class="proBig"><div id="q84ceba" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274472656/4640738.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="oskubik" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274472656/4640738.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7hjbce8" 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>南京助焊劑分類,助焊劑</p><p><span>***更新：</span>2020-09-03 05:13:36</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="nm7vs3f" 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="ispm2su" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="d2qjgda" 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)、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，南京助焊劑分類，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。無機(jī)系列助焊劑通常只用于非電子產(chǎn)品的焊接，南京助焊劑分類，南京助焊劑分類，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。環(huán)保級(jí)助焊劑，生產(chǎn)加工，廠家直發(fā)。南京助焊劑分類</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京助焊劑分類,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274472656/4640738.jpg"></div><p style="text-indent:25px">【正盟環(huán)保】助焊劑成分近幾十年來，在電子產(chǎn)品生產(chǎn)錫焊工藝過程中，一般多使用主要由松香、樹脂、含鹵化物的活性劑、添加劑和有機(jī)溶劑組成的松香樹脂系助焊劑.這類助焊劑雖然可焊性好，成本低，但焊后殘留物高.其殘留物含有鹵素離子，會(huì)逐步引起電氣絕緣性能下降和短路等問題，要解決這一問題，必須對(duì)電子印制板上的松香樹脂系助焊劑殘留物進(jìn)行清洗.這樣不但會(huì)增加生產(chǎn)成本，而且清洗松香樹脂系助焊劑殘留的清洗劑主要是氟氯化合物.這種化合物是大氣臭氧層的損耗物質(zhì)，屬于禁用和被淘汰之列.仍有不少公司沿用的工藝是屬于前述采用松香樹指系助焊劑焊錫再用清洗劑清洗的工藝，效率較低而成本偏高。南京錫膏助焊劑杭州正盟環(huán)保工程有限公司有好的產(chǎn)品和專業(yè)的銷售和技術(shù)團(tuán)隊(duì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京助焊劑分類,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┚邆湫阅?⑴助焊劑應(yīng)有適當(dāng)?shù)幕钚詼囟确秶?。在焊料熔化前開始起作用，在施焊過程中較好地發(fā)揮去除氧化膜、降低液態(tài)焊料表面張力的作用。焊劑的熔點(diǎn)應(yīng)低于焊料的熔點(diǎn)，但不易相差過大。 ⑵助焊劑應(yīng)有良好的熱穩(wěn)定性，一般熱穩(wěn)定溫度不小于100℃。 ⑶助焊劑的密度應(yīng)小于液態(tài)焊料的密度，這樣助焊劑才能均勻地在被焊金屬表面鋪展，呈薄膜狀覆蓋在焊料和被焊金屬表面，有效地隔絕空氣，促進(jìn)焊料對(duì)母材的潤(rùn)濕。 ⑷助焊劑的殘留物不應(yīng)有腐蝕性且容易清洗；不應(yīng)析出有毒、有害氣體；要有符合電子工業(yè)規(guī)定的水溶性電阻和絕緣電阻；不吸潮，不產(chǎn)生霉菌；化學(xué)性能穩(wěn)定，易于貯藏</p><p style="text-indent:25px">【正盟環(huán)?！恐竸└鞒煞值淖饔弥袡C(jī)酸酸類活性劑（如鹵酸、羧酸、磺酸）主要是因?yàn)镠+和氧化物反應(yīng)，例如[3]：有機(jī)酸的羧基和金屬離子以金屬皂的形式除去焊盤和焊料的氧化膜： CuO＋2RCOOH→Cu(RCOO)2 ＋H 2 O 隨后有機(jī)酸銅發(fā)生分解，吸收氫氣，并生成有機(jī)酸與金屬銅： Cu(RCOO)2＋H2＋M→2RCOOH＋M－Cu 松香（Colophony）用分子式表示為C 19 H29COOH，由于它含有羧基，使得它在一定的溫度下，有一定的助焊作用；同時(shí)松香是一種大分子多環(huán)化合物，因此它具有一定的成膜性，在焊接過程中傳遞熱量和起覆蓋作用，能保護(hù)去除氧化膜后的金屬不再重新被氧化。現(xiàn)在有單一有機(jī)酸作活化劑，也有混酸用作活化劑。這些酸的沸點(diǎn)和分解溫度有一定的差異，這樣組合，可以使助焊劑的沸點(diǎn)和活化劑分解溫度呈一個(gè)較大的區(qū)間分布。杭州正盟環(huán)保，水基環(huán)保助焊劑，環(huán)保級(jí)廠家直銷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京助焊劑分類,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274873046/806821.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！繕渲盗兄竸?在電子產(chǎn)品的焊接中使用比例較大的是樹脂型助焊劑。由于它只能溶解于有機(jī)溶劑，故又稱為有機(jī)溶劑助焊劑，其主要成分是松香。松香在固態(tài)時(shí)呈非活性，只有液態(tài)時(shí)才呈活性，其熔點(diǎn)為127℃活性可以持續(xù)到315℃。錫焊的溫度為240～250℃，所以正處于松香的活性溫度范圍內(nèi)，且它的焊接殘留物不存在腐蝕問題，這些特性使松香為非腐蝕性焊劑而被廣泛應(yīng)用于電子設(shè)備的焊接中。為了不同的應(yīng)用需要，松香助焊劑有液態(tài)、糊狀和固態(tài)3種形態(tài)。固態(tài)的助焊劑適用于烙鐵焊，液態(tài)和糊狀的助焊劑分別適用于波峰焊?，F(xiàn)貨供應(yīng)，杭州正盟環(huán)保生產(chǎn)，質(zhì)量助焊劑。杭州環(huán)保助焊劑</p><p style="text-indent:25px">正盟環(huán)保生產(chǎn)環(huán)保助焊劑，品質(zhì)可靠，可加工。南京助焊劑分類</p><p style="text-indent:25px">【正盟環(huán)?！恐竸└鞒煞值淖饔弥袡C(jī)鹵化物如羧酸鹵化物、有機(jī)胺的氫鹵酸鹽。張銀雪[4]以溴化水楊酸為活化劑，它在釬焊溫度時(shí)，可熱分解出溴化氫和水楊酸溶解基體金屬表面的氧化物；并且水楊酸的羥基、羧基在釬焊時(shí)可與JH樹脂反應(yīng)交聯(lián)成高分子樹脂膜，覆蓋在焊點(diǎn)表面。有機(jī)胺的氫鹵酸鹽如鹽酸苯胺，在焊接時(shí)，熔融的助焊劑與基板的銅進(jìn)行反應(yīng)，并產(chǎn)生CuC1 2 和銅絡(luò)合物。結(jié)果生成的銅化合物主要與熔融的焊料中的錫產(chǎn)生反應(yīng)生成了金屬銅，這些銅立即熔解到焊料之中，通過這些反應(yīng)和銅在焊料中的熔解，使焊料在銅板上流布。反應(yīng)如下[5]： Cu＋2C 6 H5NH2?HCl→CuCl2＋2 C6H5NH2＋H2 CuCl2＋2C6H5NH2?HCl→Cu[C6H5NH3]2Cl4南京助焊劑分類</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)保作為杭州正盟環(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(chéng)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(yíng)銷等相對(duì)優(yōu)勢(shì)，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(jī)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(cè)、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(chǎng)反響和經(jīng)驗(yàn)業(yè)績(jī)。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(chǎng)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(chéng)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。的企業(yè)之一，為客戶提供良好的助焊劑，錫絲，錫條，錫膏。正盟環(huán)保不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。正盟環(huán)保始終關(guān)注環(huán)保行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br 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