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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="qujkh7d" class="twoCol"><div id="2n820gl" 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>?臺州助焊劑參數(shù) 正盟環(huán)保杭州正盟環(huán)保工程供應(yīng)</p><div id="yhzwoac" class="leftbox clearfix"><h1>臺州助焊劑參數(shù) 正盟環(huán)保杭州正盟環(huán)保工程供應(yīng)</h1><div id="3jtgikr" class="proBig"><div id="ocjgnpw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274921875/6047117.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xgdfh2f" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274921875/6047117.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3byq7mt" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>臺州助焊劑參數(shù),助焊劑</p><p><span>***更新：</span>2020-08-23 13:11:00</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="xbdkzqi" 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2號樓南樓東向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="pyaxjf8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qjqsuwl" class="box"><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，在焊接溫度下會迅速分解，重新生成有機(jī)酸和有機(jī)胺，臺州助焊劑參數(shù)，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，臺州助焊劑參數(shù)，不僅可以調(diào)節(jié)助焊劑的酸度，臺州助焊劑參數(shù)，可以使焊點光亮，在不降低焊劑活性的情況下，焊后腐蝕性降至低。杭州正盟環(huán)保，現(xiàn)貨供應(yīng)環(huán)保級助焊劑，洗焊劑，環(huán)保錫絲。臺州助焊劑參數(shù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="臺州助焊劑參數(shù),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274921875/6047117.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，一般可分為無機(jī)系列、有機(jī)系列和樹脂系列。無機(jī)系列助焊劑無機(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。因為它溶解于水，故又稱為水溶性助焊劑，它包括無機(jī)酸和無機(jī)鹽2類。含有無機(jī)酸的助焊劑的主要成分是鹽酸、氫氟酸等，含有無機(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，因為任何殘留在被焊件上的鹵化物都會引起嚴(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)禁使用這類無機(jī)系列的助焊劑。臺州助焊劑參數(shù)杭州正盟環(huán)保工程有限公司有好的產(chǎn)品和專業(yè)的銷售和技術(shù)團(tuán)隊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="臺州助焊劑參數(shù),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274804687/3589720.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！恐竸┑姆N類很多，大體上可分為有機(jī)、無機(jī)和樹脂三大系列。 2、有機(jī)：有機(jī)系列助焊劑的助焊作用介于無機(jī)系列助焊劑和樹脂系列助焊劑之間，它也屬于酸性、水溶性焊劑。含有有機(jī)酸的水溶性焊劑以乳酸、檸檬酸為基礎(chǔ)，由于它的焊接殘留物可以在被焊物上保留一段時間而無嚴(yán)重腐蝕。所以，可以用在電子設(shè)備的裝聯(lián)中，但是通常不用在SMT的焊膏中，因為它沒有松香焊劑的粘稠性。 3、樹脂：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。松香助焊劑有液態(tài)、糊狀和固態(tài)三種形態(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。松香為單體時，化學(xué)活性較弱，對促進(jìn)焊料的潤濕往往不夠充分，所以需要添加少量的活性劑，以便提高它的活性。</p><p style="text-indent:25px">【正盟環(huán)?！棵馇逑粗竸?要使焊接后的PCB板面不用清洗就能達(dá)到規(guī)定的質(zhì)量水平，助焊劑的選擇是一個關(guān)鍵，通常對免清洗助焊劑有下列要求： ①低固態(tài)含量：2%以下傳統(tǒng)的助焊劑有較高的固態(tài)含量（20～40%）、中等的固態(tài)含量（10～15%）和較低的固態(tài)含量（5～10%），用這些助焊劑焊接后的PCB板面留有或多或少的殘留物，而免清洗助焊劑的固態(tài)含量要求低于2%，而且不能含有松香，因此焊后板面基本無殘留物。 ②無腐蝕性：不含鹵素、表面絕緣電阻>1.0×1011Ω 傳統(tǒng)的助焊劑因為有較高的固態(tài)含量，焊接后可將部分有害物質(zhì)“包裹起來”，隔絕與空氣的接觸，形成絕緣保護(hù)層。而免清洗助焊劑，由于極低的固態(tài)含量不能形成絕緣保護(hù)層，若有少量的有害成分殘留在板面上，就會導(dǎo)致腐蝕和漏電等嚴(yán)重不良后果。因此，免清洗助焊劑中不允許含有鹵素成分?，F(xiàn)貨供應(yīng)，杭州正盟環(huán)保生產(chǎn)，質(zhì)量助焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="臺州助焊劑參數(shù),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╢lux）：在焊接工藝中能幫助和促進(jìn)焊接過程，同時具有保護(hù)作用、阻止氧化反應(yīng)的化學(xué)物質(zhì)。助焊劑可分為固體、液體和氣體。主要有“輔助熱傳導(dǎo)”、“去除氧化物”、“降低被焊接材質(zhì)表面張力”、“去除被焊接材質(zhì)表面油污、增大焊接面積”、“防止再氧化”等幾個方面，在這幾個方面中比較關(guān)鍵的作用有兩個就是：“去除氧化物”與“降低被焊接材質(zhì)表面張力”。助焊劑通常是以松香為主要成分的混合物，是保證焊接過程順利進(jìn)行的輔助材料。焊接是電子裝配中的主要工藝過程，助焊劑是焊接時使用的輔料，助焊劑的主要作用是去除焊料和被焊母材表面的氧化物，使金屬表面達(dá)到必要的清潔度.它防止焊接時表面的再次氧化，降低焊料表面張力，提高焊接性能.助焊劑性能的優(yōu)劣，直接影響到電子產(chǎn)品的質(zhì)量。環(huán)保級助焊劑，可免除清洗工序，進(jìn)而節(jié)約制造商的生產(chǎn)費(fèi)用和工作時間。珠海助焊劑</p><p style="text-indent:25px">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。臺州助焊劑參數(shù)</p><p style="text-indent:25px">【正盟環(huán)保】電子工業(yè)助焊劑之如何從技術(shù)性能指標(biāo)的角度選擇助焊劑？(二) 鹵素含量：鹵素具有較強(qiáng)的奪取電子能力，微量的鹵素存在會使得助焊劑的可焊性大幅提升，但鹵素的存在不僅有環(huán)保壓力也會給產(chǎn)品的可靠性造成一定影響。故助焊劑鹵素含量因應(yīng)用場景而定。比重：助焊劑中溶劑載體與其他組分的密度相差較大，助焊劑在儲存和使用過程中因為揮發(fā)作用而損失掉，造成比重的變化，故比重一定程度上可以反映助焊劑濃度的變化，故比重應(yīng)用于生產(chǎn)中的管控指標(biāo)。固含量：固含量與焊后殘留量（即干凈度）有直接關(guān)系，但非對應(yīng)關(guān)系，主要是因為測試溫度和實際使用溫度上存在差異。所以固含量的是在可焊性和焊后干凈度之間做權(quán)衡。臺州助焊劑參數(shù)</p><p style="text-indent:25px">杭州正盟環(huán)保工程有限公司創(chuàng)立于2011-03-18，是一家生產(chǎn)型公司。正盟環(huán)保致力于為客戶提供質(zhì)量的[ "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。公司將不斷增強(qiáng)企業(yè)重點競爭力，努力學(xué)習(xí)行業(yè)先進(jìn)知識，遵守行業(yè)規(guī)范，植根于環(huán)保行業(yè)的發(fā)展。公司秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1012825.html</p></div></div></div></div></div><div id="ec2rj2f" class="page-right twoColRt"><div id="1jzn45i" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="l1aj6ce" class="recomPic likePro"><a 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