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src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275605468/6502823.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vobyvxz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275605468/6502823.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="imjbtv7" 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>杭州助焊劑批發(fā),助焊劑</p><p><span>***更新：</span>2021-01-06 13:09:51</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8g27ss7" 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="38zophb" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="b2kl7da" class="box"><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，杭州助焊劑批發(fā)，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，杭州助焊劑批發(fā)，通過(guò)這些反應(yīng)和銅在焊料中的熔解，使焊料在銅板上流布，杭州助焊劑批發(fā)。反應(yīng)如下[5]： Cu＋2C 6 H5NH2?HCl→CuCl2＋2 C6H5NH2＋H2 CuCl2＋2C6H5NH2?HCl→Cu[C6H5NH3]2Cl4浙江廠家直銷助焊劑，質(zhì)量?jī)?yōu)環(huán)保助焊劑。杭州助焊劑批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州助焊劑批發(fā),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275605468/6502823.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！繕渲盗兄竸?在實(shí)際使用中發(fā)現(xiàn)，松香為單體時(shí)，化學(xué)活性較弱，對(duì)促進(jìn)焊料的潤(rùn)濕往往不夠充分，因此需要添加少量的活性劑，用以提高它的活性。松香系列焊劑根據(jù)有無(wú)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(guó)MIL標(biāo)準(zhǔn)中分別稱為R、RMA、RA、RSA，而日本JIS標(biāo)準(zhǔn)則根據(jù)助焊劑的含氯量劃分為AA（0.1wt%以下）、A（0.1～0.5wt%）、B（0.5～1.0wt%）3種等級(jí)。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。上海助焊劑原理環(huán)保助焊劑，正盟環(huán)保生產(chǎn)批發(fā)工業(yè)紙質(zhì)量助焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州助焊劑批發(fā),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275449218/8342179.jpg"></div><p> 【正盟環(huán)?！恐竸┑淖饔靡唬喝劢獗缓改覆谋砻娴难趸?，在大氣中，被焊的金屬母材表面總是被氧化膜覆蓋著，其厚度大約為2×10-9～2×10-8m在焊接時(shí)，氧化層必然會(huì)阻止焊錫對(duì)母材的潤(rùn)濕，焊接就不可能正常進(jìn)行，因此必須在母材表面涂敷助焊劑，使金屬表面的氧化物還原，從而達(dá)到消除氧化膜的目的。 </p> <p> 助焊劑的作用二：防止被焊母材的再氧化，母材在焊接過(guò)程中需要加熱，高溫時(shí)金屬表面會(huì)加速氧化，因此液狀的助焊劑覆蓋在母材和焊料的表面可防止它們氧化。 </p> <p> 助焊劑的作用三：降低熔融焊料的表面張力，熔融焊料金屬表面具有一定的張力，就像雨水落在荷葉上，由于液體的表面張力會(huì)立即聚結(jié)成圓珠狀的水珠。熔融焊錫的表面張力會(huì)阻止它向母材表面浸流，影響潤(rùn)濕的正常進(jìn)行。當(dāng)助焊劑覆蓋在熔融焊料的表面時(shí)，可降低液態(tài)焊料的表面張力，使?jié)櫇裥阅苊黠@提高。 </p><p style="text-indent:25px">【正盟環(huán)?！磕壳皣?guó)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(cè)試，其次銅鏡腐蝕測(cè)試、離子濃度測(cè)試、軟釬焊性試驗(yàn)等。銅鏡腐蝕測(cè)試將欲測(cè)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(wú)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(wú)明顯紗布痕跡。說(shuō)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(cè)其漫流面積，據(jù)此可判斷助焊性能的強(qiáng)弱。***環(huán)保級(jí)助焊劑生產(chǎn)加工，現(xiàn)貨批發(fā)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州助焊劑批發(fā),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637336031689003906/1471739.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！克h(huán)保免清洗焊劑是針對(duì)太陽(yáng)能光伏行業(yè)開發(fā)的一款環(huán)保型免清洗助焊劑，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。 A：**于銅基材的熱浸鍍錫 B：添加了高沸點(diǎn)溶劑，使其在高溫下亦能保持優(yōu)異活性，因而獲得優(yōu)異的焊接效果; C：添加多款進(jìn)口高效活性劑以保證焊接穿透性能上佳; D：低固態(tài)含量，焊后銅皮板面干凈，無(wú)腐蝕性殘留物，銅皮焊錫線條光亮飽滿，絕緣阻抗極高; E：銅基材熱浸鍍錫助焊劑達(dá)到以下國(guó)際標(biāo)準(zhǔn)：歐盟 RoHS 標(biāo)準(zhǔn);是涂錫銅帶**新型環(huán)保免清洗助焊劑助焊劑廠家直供，一手貨源！江蘇噴錫助焊劑</p><p style="text-indent:25px">廠家供應(yīng)環(huán)保級(jí)助焊劑，***，助您安全焊接。杭州助焊劑批發(fā)</p><p style="text-indent:25px">【正盟環(huán)?！渴裁词敲馇逑?，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”是相對(duì)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，但相對(duì)不是“免清洗”。杭州助焊劑批發(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(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(lái)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。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。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)保繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。正盟環(huán)保始終關(guān)注環(huán)保市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br 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