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clearfix"><div id="8y3ws4n" class="twoCol"><div id="q7js8dk" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</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>?湖州助焊劑價格正盟環(huán)保杭州正盟環(huán)保工程供應</p><div id="ekb7t2s" class="leftbox clearfix"><h1>湖州助焊劑價格正盟環(huán)保杭州正盟環(huán)保工程供應</h1><div id="uovsc8h" class="proBig"><div id="kj7vgal" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637336031689003906/1471739.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="f3upri7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637336031689003906/1471739.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="syprofm" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>湖州助焊劑價格,助焊劑</p><p><span>***更新：</span>2020-08-22 02:16:04</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="oxuwyax" 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>網址: </span>http://www.hzzmhbgc.com</p><p><span>手機: </span>0571-88117763</p><p><span>地址: </span>順風路528號2號樓南樓東向3層</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="zjgdkry" class="page-proshow02"><p class="title">詳細說明</p><div id="7kofcyf" class="box"><p><p style="text-indent:25px">【正盟環(huán)?！恐竸┌垂δ芊诸愑校菏纸钢竸?、波峰焊助焊劑及不銹鋼助焊劑；前面兩者為廣大用戶所熟悉了解，這里解釋不銹鋼助焊劑,它是專門針對不銹鋼而焊接的一種化學藥劑，一般的焊接只能完成對銅或錫表面的焊接，但不銹鋼助焊劑可以完成對銅、鐵、鍍鋅板、鍍鎳、各類不銹鋼等的焊接；助焊劑的種類很多，大體上可分為有機、無機和樹脂三大系列。【正盟環(huán)?！恐竸┚邆錀l件 ⑴熔點應低于焊料。 ⑵表面的張力、黏度、密度要小于焊料。 ⑶不能腐蝕母材，在焊接溫度下，應能增加焊料的流動性，湖州助焊劑價格，去除金屬表面氧化膜。 ⑷焊劑殘渣容易去除。 ⑸不會產生有毒氣體和臭味，湖州助焊劑價格，湖州助焊劑價格，以防對人體的危害和污染環(huán)境。正盟牌助焊劑，歡迎選購。湖州助焊劑價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖州助焊劑價格,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637336031689003906/1471739.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！恐竸┏煞?近幾十年來，在電子產品生產錫焊工藝過程中，一般多使用主要由松香、樹脂、含鹵化物的活性劑、添加劑和有機溶劑組成的松香樹脂系助焊劑.這類助焊劑雖然可焊性好，成本低，但焊后殘留物高.其殘留物含有鹵素離子，會逐步引起電氣絕緣性能下降和短路等問題，要解決這一問題，必須對電子印制板上的松香樹脂系助焊劑殘留物進行清洗.這樣不但會增加生產成本，而且清洗松香樹脂系助焊劑殘留的清洗劑主要是氟氯化合物.這種化合物是大氣臭氧層的損耗物質，屬于禁用和被淘汰之列.仍有不少公司沿用的工藝是屬于前述采用松香樹指系助焊劑焊錫再用清洗劑清洗的工藝，效率較低而成本偏高。廣州活性助焊劑現貨批發(fā)助焊劑，量大從優(yōu)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖州助焊劑價格,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275830078/3192344.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！砍Ｓ玫暮噶?錫（Sn），是銀白色、有光澤、有延展性、呈脆性、在空氣中不易氧化的金屬，熔點為232℃。由于純錫，呈脆性，并且能與大多數金屬熔融形成合金，因此為了讓以錫為主的焊料具有韌性，同時降低熔點，必須與另外一種金屬熔融，以改善錫焊料的焊接性能。鉛（Pb），是青灰色、質軟、密度大、有延展性、有毒性、在空氣中易氧化的金屬，熔點為327℃。但是鉛，是一種不錯的錫焊料添加料，當與錫按比例熔融混合后，就得到常用的‘含鉛焊錫料’。這種‘含鉛錫焊料’，熔點變低，利于低溫焊接，能容易與大多數金屬結合（即：容易上焊料），并且價格低、導電性好、焊點可靠。</p><p style="text-indent:25px">【正盟環(huán)?！渴裁词敲馇逑粗竸?免清洗是指在電子裝聯生產中采用低固態(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到離子潔凈度的標準（美軍標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），可直接進入下道工序的工藝技術。必須指出的是“免清洗”與“不清洗”是不同的2個概念，所謂“不清洗”是指在電子裝聯生產中采用傳統(tǒng)的松香助焊劑（RMA）或有機酸助焊劑，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品的質量要求，如家用電子產品、專業(yè)聲視設備、低成本辦公設備等產品，它們生產時通常是“不清洗”的，并不是“免清洗”。助焊劑廠家，高質量現貨供應，量大從優(yōu)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖州助焊劑價格,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274921875/6047117.jpg"></div><p style="text-indent:25px">【正盟環(huán)保】助焊劑作用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立即聚結成圓珠狀的水滴。熔融焊料的表面張力會阻止其向母材表面漫流，影響潤濕的正常進行。當助焊劑覆蓋在熔融焊料的表面時，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層。好的助焊劑在焊完之后，并迅速恢復到保護焊材的作用。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美觀廠家生產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。北京助焊劑國標</p><p style="text-indent:25px">環(huán)保助焊劑，正盟環(huán)保生產批發(fā)工業(yè)紙質量助焊劑。湖州助焊劑價格</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。溶劑選用高沸點醇和低沸點醇的混合物；活化劑選用有機酸和有機胺的混合物；成膜物選用合成高分子樹脂材料，這類物質具有良好的電氣性能，常溫下起保護膜作用不顯活性，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，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、苯駢三氮唑為活性成分，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。湖州助焊劑價格</p><p style="text-indent:25px">杭州正盟環(huán)保工程有限公司創(chuàng)建于2011-03-18，注冊資金 300-500萬元，辦公設施齊全，辦公環(huán)境優(yōu)越，已全力實行網絡化辦公，**提高了速度和效率。專業(yè)的團隊大多數員工都有多年工作經驗，熟悉行業(yè)專業(yè)知識技能，致力于發(fā)展正盟,正盟環(huán)保的品牌。我公司擁有強大的技術實力，多年來一直專注于杭州正盟環(huán)保工程有限公司成立于1992年，坐落于杭州錢江經濟開發(fā)區(qū)。多年公司秉承“誠信、創(chuàng)新、品質、分享”的企業(yè)理念，依托區(qū)位、研發(fā)、生產、營銷等相對優(yōu)勢，致力于“產、學、研”相結合和科研成果的轉化，先后與同濟大學環(huán)境科學與工程學院、原化工部成都研究所等學術機構建立技術合作關系，在電子化學、環(huán)境功能材料等領域成績斐然。公司有同濟大學聯合實驗室、科研成果孵化基地。成產基地、工程中心和銷售中心組成，擁有多項自主知識產權和新型實用技術，多臺套先進生產、分析、檢測、計量設備，嚴格依照ISO090001:2000質量保證體系運行。正盟公司以先進實用技術、質量穩(wěn)定的產品和及時質量的服務在業(yè)界廣受贊譽，產品廣泛應用于電子、通訊、信息、航空航天、醫(yī)藥、石化等領域，取得良好市場反響和經驗業(yè)績。今后將繼續(xù)堅持技術創(chuàng)新、品質提升和優(yōu)化市場響應，竭力為客戶帶來嶄新體驗，不斷為客戶提供質量產品。竭誠歡迎新老客戶和社會各界朋友蒞臨我司參觀考察，指導交流，期待與您攜手、共創(chuàng)輝煌明天。的發(fā)展和創(chuàng)新，打造高指標產品和服務。自公司成立以來，一直秉承“以質量求生存，以信譽求發(fā)展”的經營理念，始終堅持以客戶的需求和滿意為重點，為客戶提供質量的[ "助焊劑", "錫絲", "錫條", "錫膏" ]，從而使公司不斷發(fā)展壯大。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/996508.html</p></div></div></div></div></div><div id="e37ce2z" 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