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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="8tvp2ja" class="twoCol"><div id="a9suwy8" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_huanbao/">環(huán)保</a>?<a href="http://www.cdcfah.com/cp/second-huanbao_xifuji/">吸附劑</a>?<a href="http://www.cdcfah.com/cp/third-xifuji_qitaxifuji/">其他吸附劑</a>?浙江助焊劑種類正盟環(huán)保杭州正盟環(huán)保工程供應(yīng)</p><div id="2ta2nbh" class="leftbox clearfix"><h1>浙江助焊劑種類正盟環(huán)保杭州正盟環(huán)保工程供應(yīng)</h1><div id="iofulxe" class="proBig"><div id="jpqx8n2" 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="8dkrtkm" 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="ktov7lk" 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>浙江助焊劑種類,助焊劑</p><p><span>***更新：</span>2020-11-27 06:06:35</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="28dfc27" 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="wzlx7xe" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mdkrykr" class="box"><p><p style="text-indent:25px">【正盟環(huán)?！俊局竸┬≈R(shí)】助焊劑在PCB行業(yè)中應(yīng)用極廣，其品質(zhì)直接影響電子工業(yè)的整個(gè)生產(chǎn)過程和產(chǎn)品質(zhì)量。隨著RoHS 和WEEE指令的實(shí)行，浙江助焊劑種類，無鉛化對(duì)助焊劑的性能提出了更高的要求，助焊劑已由傳統(tǒng)的松香型向無鹵、無松香、免清洗、低固含量方向發(fā)展，其組成也隨之發(fā)生了相應(yīng)的變化，各組分的相互作用，使助焊劑的性能更加優(yōu)良。 1、助焊劑的基本組成國內(nèi)外助焊劑一般由活化劑、溶劑、表面活性劑和特殊成分組成。特殊成分包括緩蝕劑、防氧化劑，浙江助焊劑種類、成膜劑等，浙江助焊劑種類。廠家直銷國標(biāo)級(jí)助焊劑批發(fā)價(jià)銷售價(jià)格合理，歡迎選購。浙江助焊劑種類</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江助焊劑種類,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274472656/4640738.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Ｔ诤噶先刍伴_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，易于貯藏南京錫線助焊劑廠家供應(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="浙江助焊劑種類,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274804687/3589720.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！繕渲盗兄竸┰陔娮赢a(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。</p><p style="text-indent:25px">【正盟環(huán)?！恐竸└鞒煞值淖饔弥|變劑觸變劑其主要作用是賦予焊膏一定的觸變性能，即焊膏在受力狀態(tài)下粘度變小，以便于焊膏印刷。印刷完畢，在不受力狀態(tài)，其粘度增大，以保持固有形狀，防止焊膏塌陷。增稠劑（又稱增粘劑）主要作用是增加焊劑的粘度，以賦予焊膏一定的粘性，便于粘貼待焊元件。界面化合物生長抑0制劑：在焊盤銅表面形成的合金涂覆層中含有金屬間化合物（IMC），它們的組成和厚度決定著組裝焊接時(shí)的可焊性。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(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)域成績斐然。廠家供應(yīng)國標(biāo)助焊劑***安全焊接。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江助焊劑種類,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275605468/6502823.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！恐竸┲羞€包含許多其它有用成分。溶劑主要作用是溶解焊劑中的所含成分，作為各成分的載體，使之成為均勻的粘稠液體。一般為醇類、酯類、醇醚類、烴類、酮類等。高沸點(diǎn)的醇保護(hù)效果較好，但粘度大、使用不便；低沸點(diǎn)的醇黏度低，但保護(hù)性差，因而可以考慮選擇混合醇的方法。一般為高沸點(diǎn)和低沸點(diǎn)醇的混合物，有的使用水溶性的醇和不溶于水的醚作溶劑。李偉浩以超支化結(jié)構(gòu)和平均分子量為2000的水溶性聚合物作為助焊劑載體，超支化的分子構(gòu)型不僅能提高聚合物的熱分解溫度，同時(shí)可以降低聚合物的粘度，增強(qiáng)聚合物的滲透和潤濕性能。表面活性劑主要作用是降低焊劑的表面張力，增加焊劑對(duì)焊粉和焊盤的親潤性。廠家生產(chǎn)專為針對(duì)太陽能光伏行業(yè)開發(fā)的一款環(huán)保型免清洗助焊劑，可免除清洗工序。寧波求購助焊劑</p><p style="text-indent:25px">長期生產(chǎn)質(zhì)量環(huán)保級(jí)助焊劑，免清洗焊劑。浙江助焊劑種類</p><p style="text-indent:25px">【正盟環(huán)?！恐竸└鞒煞值淖饔弥袡C(jī)胺與酸復(fù)配使用有機(jī)胺本身含有氨基-NH︰具有活性，加入有機(jī)胺可促進(jìn)焊接效果。為了減小助焊劑對(duì)銅板的腐蝕作用，可在配制的助焊劑中加入一定量的緩蝕劑，緩蝕劑通常選擇有機(jī)胺。有機(jī)酸和有機(jī)胺混合會(huì)發(fā)生中和反應(yīng)，生成中和產(chǎn)物。這種中和產(chǎn)物是不穩(wěn)定的，在焊接溫度下會(huì)迅速分解，重新生成有機(jī)酸和有機(jī)胺，這樣就能保證有機(jī)酸原有的活性，焊接結(jié)束后，剩余的有機(jī)酸又會(huì)被有機(jī)胺中和，使殘留物的酸性下降，減少腐蝕。因此加入了有機(jī)胺類以后，不僅可以調(diào)節(jié)助焊劑的酸度，可以使焊點(diǎn)光亮，在不降低焊劑活性的情況下，焊后腐蝕性降至低。浙江助焊劑種類</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，是一家生產(chǎn)型的公司。正盟環(huán)保致力于為客戶提供良好的助焊劑，錫絲，錫條，錫膏，一切以用戶需求為中心，深受廣大客戶的歡迎。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(shì)，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(jìng)爭(zhēng)力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2163252.html</p></div></div></div></div></div><div id="mgnkht7" class="page-right twoColRt"><div id="edaco7h" class="box01 margin10 clearfix"><h3><a 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