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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="bov8b83" class="twoCol"><div id="g8r22ro" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?北京助焊劑要求正盟環(huán)保杭州正盟環(huán)保工程供應(yīng)</p><div id="yx37r4m" class="leftbox clearfix"><h1>北京助焊劑要求正盟環(huán)保杭州正盟環(huán)保工程供應(yīng)</h1><div id="8n3a9gi" class="proBig"><div id="n3xhg4m" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274609375/2746468.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xhwtdmv" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274609375/2746468.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qfmovpw" 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>北京助焊劑要求,助焊劑</p><p><span>***更新：</span>2020-09-12 04:09:30</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="ihjgyxy" 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="rqcugiz" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="fz2qfwy" class="box"><p><p style="text-indent:25px">【正盟環(huán)保】無(wú)松香型免清洗助焊劑是采用無(wú)鹵素、無(wú)松香和合成樹(shù)脂以及新型活性劑的體系。無(wú)松香、無(wú)鹵素的免清洗型助焊劑主要由活化劑、溶劑、成膜物和抗氧化熱穩(wěn)定劑組成。溶劑選用高沸點(diǎn)醇和低沸點(diǎn)醇的混合物；活化劑選用有機(jī)酸和有機(jī)胺的混合物；成膜物選用合成高分子樹(shù)脂材料，這類物質(zhì)具有良好的電氣性能，常溫下起保護(hù)膜作用不顯活性，在200℃~300℃的焊接溫度下顯示活性。硅改性丙烯酸樹(shù)脂具有無(wú)腐蝕、防潮及三防性能優(yōu)異的特點(diǎn)，可將其作為成膜劑。另外選用抗氧化熱穩(wěn)定劑對(duì)苯二酚、保護(hù)劑苯駢三氮唑作為輔助成分，北京助焊劑要求。如以已二酸、癸二酸、苯駢三氮唑?yàn)榛钚猿煞?，北京助焊劑要求，乙二醇單丁醚、乙醇，北京助焊劑要求、異丁醇為溶劑，美?guó)托馬思兩性活性劑、碳氟離子表面活性劑、快速滲透劑OT為特殊成分的低固含量免清洗助焊劑。正盟環(huán)保助焊劑，您值得擁有！北京助焊劑要求</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京助焊劑要求,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274609375/2746468.jpg"></div><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。表面絕緣阻抗測(cè)試試驗(yàn)時(shí)用規(guī)定的材質(zhì)的梳型電極或環(huán)型電極，均勻地涂覆定量的焊劑，在約85℃的溫度下干燥30 min作為試片。先在常態(tài)下測(cè)定上述試片的絕緣電阻，然后將試片置于溫度為(40±2)℃，濕度約90%的恒溫恒濕箱中，保持96 h后取出，再放人用在(20±2)℃溫度下的特級(jí)酒石酸鈉的飽和溶液調(diào)節(jié)濕度(90%)的干燥器中，在1 h內(nèi)取出，然后在標(biāo)準(zhǔn)狀態(tài)下，使用絕緣電阻測(cè)定器測(cè)定表面絕緣電阻。表面絕緣電阻值大于108Ω才算符合可靠性要求。國(guó)外對(duì)于免清洗助焊劑的表面絕緣電阻要求較高，一般要求做加偏置電壓、長(zhǎng)時(shí)間潮熱試驗(yàn)。觀察焊后焊劑殘留物對(duì)表面絕緣電阻的時(shí)效影響，以此來(lái)衡量免清洗助焊劑的可靠性。北京助焊劑要求生產(chǎn)水基環(huán)保免清洗焊劑、光伏組件助焊劑廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京助焊劑要求,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274599609/8028515.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！繕?shù)脂系列助焊劑 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(wèn)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(kāi)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。</p><p style="text-indent:25px">【正盟環(huán)?！繕?shù)脂系列助焊劑在電子產(chǎn)品的焊接中使用比例較大的是樹(shù)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(wèn)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。助焊劑，杭州正盟環(huán)保生產(chǎn)國(guó)標(biāo)環(huán)保助焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京助焊劑要求,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┓N類電子產(chǎn)品的組裝與維修中常用的有松香、松香混合焊劑、焊膏和鹽酸等軟焊劑，在不同的場(chǎng)合應(yīng)根據(jù)不同的焊接工件進(jìn)行選用。助焊劑的種類繁多，一般可分為無(wú)機(jī)系列、有機(jī)系列和樹(shù)脂系列。無(wú)機(jī)系列助焊劑無(wú)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。因?yàn)樗芙庥谒?，故又稱為水溶性助焊劑，它包括無(wú)機(jī)酸和無(wú)機(jī)鹽2類。含有無(wú)機(jī)酸的助焊劑的主要成分是鹽酸、氫氟酸等，含有無(wú)機(jī)鹽的助焊劑的主要成分是氯化鋅、氯化銨等，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。這種助焊劑通常只用于非電子產(chǎn)品的焊接，在電子設(shè)備的裝聯(lián)中嚴(yán)禁使用這類無(wú)機(jī)系列的助焊劑。助焊劑廠家直供，一手貨源！北京助焊劑要求</p><p style="text-indent:25px">生產(chǎn)水基環(huán)保助焊劑，廠家直發(fā)。北京助焊劑要求</p><p style="text-indent:25px">【正盟環(huán)?！繕?shù)脂系列助焊劑在實(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(qián)江經(jīng)濟(jì)開(kāi)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。北京助焊劑要求</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。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(chéng)信為本的經(jīng)營(yíng)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)保立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1248344.html</p></div></div></div></div></div><div id="2vkgs8z" class="page-right twoColRt"><div id="3xjax2z" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ey33u9l" 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) 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