寧波助焊劑上錫真誠推薦杭州正盟環(huán)保工程供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="【正盟環(huán)?！渴裁词侵竸┮话闱闆r下，為了保證焊接過程的順利進(jìn)行，我們所選擇的輔助材料都是松香。一般我們把助焊劑松香作為主要的成分以及混合物，這樣更能體現(xiàn)出助焊劑性能的優(yōu)勢以及劣勢，而且焊接是電子裝配工藝過程當(dāng)中主要的部分，它可以直接的影響到"><meta name="keywords" content="寧波助焊劑上錫,助焊劑"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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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>寧波助焊劑上錫,助焊劑</p><p><span>***更新：</span>2020-11-26 07:06:50</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zgia3rd" 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="dcpm2if" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ljlx3y2" class="box"><p><p style="text-indent:25px">【正盟環(huán)?！渴裁词侵竸?一般情況下，為了保證焊接過程的順利進(jìn)行，我們所選擇的輔助材料都是松香。一般我們把助焊劑松香作為主要的成分以及混合物，這樣更能體現(xiàn)出助焊劑性能的優(yōu)勢以及劣勢，而且焊接是電子裝配工藝過程當(dāng)中主要的部分，它可以直接的影響到電子產(chǎn)品的質(zhì)量的優(yōu)劣情況。【正盟環(huán)保】助焊劑的成分主要起作用成分是松香、有機(jī)溶劑、天然樹脂及其衍生物或合成樹脂、有機(jī)酸活化劑以及防腐蝕劑、助溶劑和成膜劑。【正盟環(huán)?！恐竸┑淖饔?1、有助于溶解焊母的氧化膜。 2、防止焊母材的再氧化的進(jìn)行。 3、降低焊料的張力，能夠加強(qiáng)其潤滑作用，寧波助焊劑上錫。 4、能夠保護(hù)焊接的母材 5，寧波助焊劑上錫、一般情況下，寧波助焊劑上錫，如果我們選擇了合適的助焊劑的話，還能夠使焊點(diǎn)起到美觀的作用。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(shí)間。寧波助焊劑上錫</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波助焊劑上錫,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274804687/3589720.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！棵馇逑粗竸?③可焊性：擴(kuò)展率≥80% 可焊性與腐蝕性是相互矛盾的一對指標(biāo)，為了使助焊劑具有一定的消除氧化物的能力，并且在預(yù)熱和焊接的整個(gè)過程中均能保持一定程度的活性，就必須包含某種酸。在免清洗助焊劑中用得多的是非水溶性醋酸系列，配方中可能還有胺、氨和合成樹脂，不同的配方會(huì)影響其活性和可靠性。不同的企業(yè)有不同的要求和內(nèi)部控制指標(biāo)，但必須符合焊接質(zhì)量高和無腐蝕性的使用要求。助焊劑的活性通常是用pH值來衡量的，免清洗助焊劑的pH值應(yīng)控制在產(chǎn)品規(guī)定的技術(shù)條件范圍內(nèi)（各生產(chǎn)廠家的pH值略有不同）。 ④符合環(huán)保要求：無毒，無強(qiáng)烈刺激性氣味，基本不污染環(huán)境，操作安全。臺(tái)州助焊劑推薦正盟環(huán)保，現(xiàn)貨供應(yīng)，***助焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波助焊劑上錫,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275449218/8342179.jpg"></div><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，無鉛化對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、成膜劑等。</p><p style="text-indent:25px">【正盟環(huán)?！繜o松香型免清洗助焊劑是采用無鹵素、無松香和合成樹脂以及新型活性劑的體系。無松香、無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。硅改性丙烯酸樹脂具有無腐蝕、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)定劑對苯二酚、保護(hù)劑苯駢三氮唑作為輔助成分。如以已二酸、癸二酸、苯駢三氮唑?yàn)榛钚猿煞?，乙二醇單丁醚、乙醇、異丁醇為溶劑，美國托馬思兩性活性劑、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。杭州正盟環(huán)保，生產(chǎn)質(zhì)量環(huán)保，環(huán)保級助焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波助焊劑上錫,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274873046/806821.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離子污染等級劃分為：一級≤1.5ugNaCl/cm2無污染；二級≤1.5～5.0ugNACl/cm2質(zhì)量高；三級≤5.0～10.0ugNaCl/cm2符合要求；四級>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”。買助焊劑，找杭州正盟環(huán)保工程有限公司！湖州生產(chǎn)助焊劑</p><p style="text-indent:25px">廠家生產(chǎn)專為針對太陽能光伏行業(yè)開發(fā)的一款環(huán)保型免清洗助焊劑，可免除清洗工序。寧波助焊劑上錫</p><p style="text-indent:25px">【正盟環(huán)?！克上愫秃稿a膏兩者有何分別？無機(jī)助焊劑一般是某些酸或者鹽，比如正磷酸H3PO4，有機(jī)助焊劑主要是某些有機(jī)酸或者有機(jī)鹵素；相對來說，無機(jī)助焊劑活性相當(dāng)強(qiáng)，去除氧化膜效果較好，但腐蝕性也強(qiáng)，很容易傷及金屬及焊點(diǎn)，一般不能在焊接電子產(chǎn)品中運(yùn)用。焊錫膏就是用機(jī)油乳化后的無機(jī)焊劑，焊接后可用溶劑清洗，不過電路板的有些部位是很難清洗的，所以一般不推薦運(yùn)用焊錫膏。有機(jī)助焊劑活性僅次于無機(jī)助焊劑，也有一定的腐蝕性，且殘?jiān)灰浊逑?，揮發(fā)物對人體有害。松香的主要成份是松香酸和海松酸，一般成中性，液態(tài)松香有一定活性，呈現(xiàn)較弱的酸性，能與金屬表面氧化物發(fā)生反應(yīng)，生成松香酸銅等化合物，并懸浮在焊錫表面，且運(yùn)用的時(shí)候無腐蝕，絕緣性強(qiáng)。一般說來，松香是常用的助焊劑。寧波助焊劑上錫</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)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下助焊劑，錫絲，錫條，錫膏深受客戶的喜愛。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)保立足于全國市場，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>文章來源地址: http://m.cdcfah.com/cp/2150429.html</p></div></div></div></div></div><div id="povht78" class="page-right twoColRt"><div id="js73uw8" class="box01 margin10 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