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href="http://www.cdcfah.com/cp/third-xifuji_qitaxifuji/">其他吸附劑</a>?舟山助焊劑種類歡迎來電杭州正盟環(huán)保工程供應(yīng)</p><div id="nfmgsu7" class="leftbox clearfix"><h1>舟山助焊劑種類歡迎來電杭州正盟環(huán)保工程供應(yīng)</h1><div id="zs73ddx" class="proBig"><div id="8aq32g2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275439453/9758486.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="e2s8vrt" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275439453/9758486.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wqvu28w" 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>舟山助焊劑種類,助焊劑</p><p><span>***更新：</span>2020-09-04 01:16:27</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="8gn7ovx" 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="g3az8qp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="cw24zrt" class="box"><p><p style="text-indent:25px">【正盟環(huán)?！棵馇逑粗竸┑膬?yōu)越性 ①提高經(jīng)濟(jì)效益：實(shí)現(xiàn)免清洗后，相當(dāng)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、設(shè)備、場(chǎng)地、材料（水、溶劑）和能源的消耗，舟山助焊劑種類，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，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，舟山助焊劑種類。 ③有利于環(huán)境保護(hù)：采用免清洗技術(shù)后，舟山助焊劑種類，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。舟山助焊劑種類</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山助焊劑種類,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275439453/9758486.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”。舟山助焊劑種類環(huán)保助焊劑，用于太陽能光伏組件行業(yè)。杭州正盟環(huán)保生產(chǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山助焊劑種類,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637336031689003906/1471739.jpg"></div><p style="text-indent:25px">【正盟環(huán)保】常用的助焊劑助焊劑，也有人稱為：”焊劑、焊藥“。經(jīng)過清潔處理的焊件表面，在加熱焊接時(shí)，總是很快又被氧化，形成阻焊層，所以必須使用助焊劑，清理氧化物的同時(shí)，隔絕氧氣阻止再次氧化，還能降低液態(tài)焊料的表面張力，增加它的流動(dòng)性，讓焊點(diǎn)表面光潔美觀，焊點(diǎn)內(nèi)部密實(shí)。【正盟環(huán)?！砍Ｒ姷闹竸┯猛竞托阅?助焊劑，在溫度升高時(shí)，能流淌到焊接表面散開，在去除焊件表面的氧化物的同時(shí)，隔絕了與氧氣的接觸，保持焊件表面‘干凈’，還能讓焊料的流淌性變好，利于焊料流淌到焊接的縫隙中。需要注意的是，氯化鋅和稀鹽酸，雖然有很好的去污能力，使用很方便，但是腐蝕能力也很強(qiáng)，盡量避免在電路板焊接中使用。同樣的，焊錫膏，也是使用方便的助焊劑，但是會(huì)有很多殘留物，焊接時(shí)飛濺的物質(zhì)中有很多酸性物質(zhì)，同樣也會(huì)對(duì)電路板的其他部分造成腐蝕。如果要使用氯化鋅和稀鹽酸或者焊錫膏，來焊接電路板，焊接完畢后，必須徹底清洗，以免因?yàn)楦g造成電路板出現(xiàn)，無法預(yù)期的故障。業(yè)余條件，和不洗板的情況下，焊接電路板，相當(dāng)常用，適合助焊劑是‘松香’，它的優(yōu)點(diǎn)是，無腐蝕性，不會(huì)沾染灰塵。</p><p style="text-indent:25px">【正盟環(huán)保】電烙鐵焊接過程中，如何選擇助焊劑？焊錫材料是電子行業(yè)的生產(chǎn)與維修工作中必不可少的，在電烙鐵的使用過程中，我們經(jīng)常會(huì)用到。焊錫膏---膏狀粘稠體，主要成分金屬粉末、松香、有機(jī)酸、觸變劑、活性劑。用于SMT自動(dòng)貼裝工藝的焊接。助焊劑是統(tǒng)稱，松香、焊錫膏都屬于助焊劑，關(guān)鍵的用途是增加焊接時(shí)焊料與被焊物體的浸潤(rùn)效果(浸潤(rùn)不佳的話,焊錫不能很好的附著在被焊物體上，出現(xiàn)圓圓的球狀,很容易虛焊)。其他還有比如去除氧化、輔助熱傳導(dǎo)、降低金屬表面張力、使焊點(diǎn)美觀等等。助焊劑分成三大類：一是無機(jī)助焊劑，二是有機(jī)助焊劑，三是松香。買助焊劑，找正盟環(huán)保。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山助焊劑種類,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275830078/3192344.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！繕渲盗兄竸?②弱活性化松香（RMA）：這類助焊劑中添加的活性劑有乳酸、檸檬酸、硬脂酸等有機(jī)酸以及鹽基性有機(jī)化合物。添加這些弱活性劑后，能夠促進(jìn)潤(rùn)濕的進(jìn)行，但母材上的殘留物仍然不具有腐蝕性，除了具有高可靠性的航空、航天產(chǎn)品或細(xì)間距的表面安裝產(chǎn)品需要清洗外，一般民用消費(fèi)類產(chǎn)品（如收錄機(jī)、電視機(jī)等）均不需設(shè)立清洗工序。在采用弱活性化松香時(shí)，對(duì)被焊件的可焊性也有嚴(yán)格的要求。 ③活性化松香（RA）及超活性化松香（RSA）：在活性化松香助焊劑中，添加的強(qiáng)活性劑有鹽酸苯胺、鹽酸聯(lián)氨等鹽基性有機(jī)化合物，這種助焊劑的活性是明顯提高了，但焊接后殘留物中氯離子的腐蝕變成不可忽視的問題，所以，在電子產(chǎn)品的裝聯(lián)中一般很少應(yīng)用。隨著活性劑的改進(jìn)，已開發(fā)了在焊接溫度下能將殘?jiān)纸鉃榉歉g性物質(zhì)的活性劑，這些大多數(shù)是有機(jī)化化合物的衍生物。環(huán)保級(jí)助焊劑現(xiàn)貨供應(yīng)廠家直銷。麗水助焊劑上錫</p><p style="text-indent:25px">助焊劑保證焊接過程順利進(jìn)行，廠價(jià)直銷。舟山助焊劑種類</p><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。舟山助焊劑種類</p><p style="text-indent:25px">杭州正盟環(huán)保工程有限公司主要經(jīng)營(yíng)范圍是環(huán)保，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)涵蓋助焊劑，錫絲，錫條，錫膏等，價(jià)格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造環(huán)保良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1147464.html</p></div></div></div></div></div><div id="7ogk7uw" class="page-right twoColRt"><div id="v3vm3eb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="akzqzwd" 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="vf8r2yv" class="recomPic likePro"><a 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