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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="393uqpb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275830078/3192344.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hq8rtsz" 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>麗水助焊劑價(jià)格,助焊劑</p><p><span>***更新：</span>2020-09-10 11:04:57</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="3ipwdkh" 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="onfceli" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7evifrt" class="box"><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，麗水助焊劑價(jià)格。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℃，麗水助焊劑價(jià)格，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，麗水助焊劑價(jià)格，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。助焊劑保證焊接過程順利進(jìn)行，廠價(jià)直銷。麗水助焊劑價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水助焊劑價(jià)格,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275830078/3192344.jpg"></div><p style="text-indent:25px">【正盟環(huán)保】免清洗助焊劑的優(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、場地、材料（水、溶劑）和能源的消耗，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。 ③有利于環(huán)境保護(hù)：采用免清洗技術(shù)后，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。金華錫助焊劑廠家直銷光伏組件助焊劑，質(zhì)量保證，價(jià)格優(yōu)惠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水助焊劑價(jià)格,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274873046/806821.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！恐竸┳饔?熔融焊料張力熔融焊料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)成圓珠狀的水滴。熔融焊料的表面張力會(huì)阻止其向母材表面漫流，影響潤濕的正常進(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@得到提高保護(hù)焊接母材被焊材料在焊接過程中已破壞了原本的表面保護(hù)層。好的助焊劑在焊完之后，并迅速恢復(fù)到保護(hù)焊材的作用。能加快熱量從烙鐵頭向焊料和被焊物表面?zhèn)鬟f；合適的助焊劑還能使焊點(diǎn)美觀</p><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，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。廠家供應(yīng)環(huán)保級(jí)助焊劑，***，助您安全焊接。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水助焊劑價(jià)格,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.買助焊劑認(rèn)準(zhǔn)正盟牌。天津助焊劑原理</p><p style="text-indent:25px">***環(huán)保級(jí)助焊劑生產(chǎn)加工，現(xiàn)貨批發(fā)。麗水助焊劑價(jià)格</p><p style="text-indent:25px">【正盟環(huán)保】助焊劑各成分的作用之活化劑的作用機(jī)理活化劑主要作用是在焊接溫度下去除焊盤和焊料表面的氧化物，并形成保護(hù)層，防止基體的再次氧化，從而提高焊料和焊盤之間的潤濕性。助焊劑活化劑的成分一般為氫氣、無機(jī)鹽、酸類和胺類，以及它們的復(fù)配組合物。【正盟環(huán)?！恐竸└鞒煞值淖饔弥畾錃狻o機(jī)鹽氫氣和無機(jī)鹽如氯化亞錫、氯化鋅、氯化銨等是利用其還原性與氧化物反應(yīng)，如：氣體助焊劑中的氫氣，在焊接之后水是其獨(dú)有的殘留物；而且氫的還原作用能有效地去除金屬表面的氧化物，把氧化物轉(zhuǎn)化為水。 MxOy＋yH 2 ＝xM＋yH 2 O 同時(shí)，氫還為金屬表面提供保護(hù)氣體，防止金屬表面在焊接完成之前再氧化。麗水助焊劑價(jià)格</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，是一家生產(chǎn)型的公司。公司業(yè)務(wù)分為助焊劑，錫絲，錫條，錫膏等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠信為本的經(jīng)營理念，在環(huán)保深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造環(huán)保良好品牌。正盟環(huán)保秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1229664.html</p></div></div></div></div></div><div id="p33egia" class="page-right twoColRt"><div id="ue32rtv" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8y8u78n" 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="fumjbsu" 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