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href="http://m.cdcfah.com/cp/first-_huanbao/">環(huán)保</a>?<a href="http://m.cdcfah.com/cp/second-huanbao_xifuji/">吸附劑</a>?<a href="http://m.cdcfah.com/cp/third-xifuji_qitaxifuji/">其他吸附劑</a>?南京噴錫助焊劑歡迎來(lái)電杭州正盟環(huán)保工程供應(yīng)</p><div id="e83q9ac" class="leftbox clearfix"><h1>南京噴錫助焊劑歡迎來(lái)電杭州正盟環(huán)保工程供應(yīng)</h1><div id="xzbsug8" class="proBig"><div id="pov8924" 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="3zbt7xo" 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="lvnzofh" 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>南京噴錫助焊劑,助焊劑</p><p><span>***更新：</span>2020-08-27 02:16:05</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="2u2o97l" 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="8tsjgi3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lzrdvce" class="box"><p><p style="text-indent:25px">【正盟環(huán)?！恐竸┳饔?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(huì)立即聚結(jié)成圓珠狀的水滴。熔融焊料的表面張力會(huì)阻止其向母材表面漫流，影響潤(rùn)濕的正常進(jìn)行。當(dāng)助焊劑覆蓋在熔融焊料的表面時(shí)，可降低液態(tài)焊料的表面張力，南京噴錫助焊劑，使?jié)櫇裥阅苊黠@得到提高保護(hù)焊接母材被焊材料在焊接過(guò)程中已破壞了原本的表面保護(hù)層。好的助焊劑在焊完之后，并迅速恢復(fù)到保護(hù)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(diǎn)美觀廠家直銷助焊劑，南京噴錫助焊劑，南京噴錫助焊劑，批發(fā)價(jià)銷售，可定制，歡迎選購(gòu)。南京噴錫助焊劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京噴錫助焊劑,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274472656/4640738.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。南京金屬助焊劑買助焊劑，找正盟環(huán)保。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京噴錫助焊劑,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275830078/3192344.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！咳绾芜x擇助焊劑對(duì)于使用廠商來(lái)說(shuō)，因?yàn)橹竸┑某煞菔菦](méi)有辦法做出測(cè)試的.如果要想了解助焊劑溶劑是否揮發(fā)，可以簡(jiǎn)單的從比重上測(cè)量,如果比重增大很多，就可以斷定溶劑有所揮發(fā). 選擇助焊劑時(shí)，有以下幾點(diǎn)建議給使用廠商：一、聞氣味初步斷定是用何種溶劑如甲醇味道比較小但很嗆，異丙醇味道比較重一些，乙醇就有醇香味，雖然說(shuō)供應(yīng)商也可能用混合溶劑，但要求供應(yīng)商提供成份報(bào)告，一般他們還是會(huì)提供的；但是，異丙醇的價(jià)格大概是甲醇的3-4倍，如果和供應(yīng)商壓價(jià)的厲害，可能這里面的東西就不好說(shuō)了二、確定樣品這也是很多廠商選擇助焊劑的根本的方法，在確認(rèn)樣品時(shí)，應(yīng)要求供應(yīng)商提供相關(guān)參數(shù)報(bào)告，并與樣品對(duì)照，如樣品確認(rèn)OK，后續(xù)交貨時(shí)應(yīng)按原有參數(shù)對(duì)照，出現(xiàn)異常時(shí)應(yīng)檢查比重，酸度值等,助焊劑的發(fā)煙量也是很重要的一個(gè)指標(biāo)。三、看資質(zhì) 助焊劑市場(chǎng)是良莠不齊，選擇時(shí)對(duì)供應(yīng)商的資質(zhì)應(yīng)該進(jìn)行確切了解，如有必要可以去廠商去看廠，如果是不正規(guī)的焊劑廠商，是很怕這一套的。</p><p style="text-indent:25px">【正盟環(huán)?！砍Ｓ玫闹竸?助焊劑，也有人稱為：”焊劑、焊藥“。經(jīng)過(guò)清潔處理的焊件表面，在加熱焊接時(shí)，總是很快又被氧化，形成阻焊層，所以必須使用助焊劑，清理氧化物的同時(shí)，隔絕氧氣阻止再次氧化，還能降低液態(tài)焊料的表面張力，增加它的流動(dòng)性，讓焊點(diǎn)表面光潔美觀，焊點(diǎn)內(nèi)部密實(shí)。【正盟環(huán)?！砍Ｒ?jiàn)的助焊劑用途和性能助焊劑，在溫度升高時(shí)，能流淌到焊接表面散開(kāi)，在去除焊件表面的氧化物的同時(shí)，隔絕了與氧氣的接觸，保持焊件表面‘干凈’，還能讓焊料的流淌性變好，利于焊料流淌到焊接的縫隙中。需要注意的是，氯化鋅和稀鹽酸，雖然有很好的去污能力，使用很方便，但是腐蝕能力也很強(qiáng)，盡量避免在電路板焊接中使用。同樣的，焊錫膏，也是使用方便的助焊劑，但是會(huì)有很多殘留物，焊接時(shí)飛濺的物質(zhì)中有很多酸性物質(zhì)，同樣也會(huì)對(duì)電路板的其他部分造成腐蝕。如果要使用氯化鋅和稀鹽酸或者焊錫膏，來(lái)焊接電路板，焊接完畢后，必須徹底清洗，以免因?yàn)楦g造成電路板出現(xiàn)，無(wú)法預(yù)期的故障。業(yè)余條件，和不洗板的情況下，焊接電路板，相當(dāng)常用，適合助焊劑是‘松香’，它的優(yōu)點(diǎn)是，無(wú)腐蝕性，不會(huì)沾染灰塵。正盟牌助焊劑，杠杠的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京噴錫助焊劑,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275439453/9758486.jpg"></div><p style="text-indent:25px">【正盟環(huán)保】助焊劑種類助焊劑按功能分類有：手浸焊助焊劑、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(duì)不銹鋼而焊接的一種化學(xué)藥劑，一般的焊接只能完成對(duì)銅或錫表面的焊接，但不銹鋼助焊劑可以完成對(duì)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(jī)、無(wú)機(jī)和樹(shù)脂三大系列。樹(shù)脂焊劑通常是從樹(shù)木的分泌物中提取，屬于天然產(chǎn)物，沒(méi)有什么腐蝕性，松香是這類焊劑的**，所以也稱為松香類焊劑。由于焊劑通常與焊料匹配使用，與焊料相對(duì)應(yīng)可分為軟焊劑和硬焊劑。廠家直銷光伏組件助焊劑，質(zhì)量保證，價(jià)格優(yōu)惠。南京金屬助焊劑</p><p style="text-indent:25px">杭州正盟環(huán)保，生產(chǎn)質(zhì)量環(huán)保，環(huán)保級(jí)助焊劑。南京噴錫助焊劑</p><p style="text-indent:25px">【正盟環(huán)?！恐竸┳饔?助焊劑中的主要起作用成分是松香，松香在260攝氏度左右會(huì)被錫分解，因此錫槽溫度不要太高．助焊劑是一種促進(jìn)焊接的化學(xué)物質(zhì)。在焊錫中，它是一種不可缺少的輔助材料，其作用極為重要。溶解焊母氧化膜在大氣中，被焊母材表面總是被氧化膜覆蓋著，其厚度大約為2×10-9～2×10-8m。在焊接時(shí)，氧化膜必然會(huì)阻止焊料對(duì)母材的潤(rùn)濕，焊接就不能正常進(jìn)行，因此必須在母材表面涂敷助焊劑，使母材表面的氧化物還原，從而達(dá)到消除氧化膜的目的。被焊母材再氧化母材在焊接過(guò)程中需要加熱，高溫時(shí)金屬表面會(huì)加速氧化，因此液態(tài)助焊劑覆蓋在母材和焊料的表面可防止它們氧化。南京噴錫助焊劑</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，發(fā)展規(guī)模團(tuán)隊(duì)不斷壯大，辦公設(shè)施齊全，辦公環(huán)境優(yōu)越，已***實(shí)行網(wǎng)絡(luò)化辦公，提高了速度和效率。在正盟環(huán)保近多年發(fā)展歷史，公司旗下現(xiàn)有品牌正盟,正盟環(huán)保等。公司堅(jiān)持以客戶為中心、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(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。公司有同濟(jì)大學(xué)聯(lián)合實(shí)驗(yàn)室、科研成果孵化基地。成產(chǎn)基地、工程中心和銷售中心組成，擁有多項(xiàng)自主知識(shí)產(chǎn)權(quán)和新型實(shí)用技術(shù)，多臺(tái)套先進(jìn)生產(chǎn)、分析、檢測(cè)、計(jì)量設(shè)備，嚴(yán)格依照ISO090001:2000質(zhì)量保證體系運(yùn)行。正盟公司以先進(jìn)實(shí)用技術(shù)、質(zhì)量穩(wěn)定的產(chǎn)品和及時(shí)質(zhì)量的服務(wù)在業(yè)界廣受贊譽(yù)，產(chǎn)品廣泛應(yīng)用于電子、通訊、信息、航空航天、醫(yī)藥、石化等領(lǐng)域，取得良好市場(chǎng)反響和經(jīng)驗(yàn)業(yè)績(jī)。今后將繼續(xù)堅(jiān)持技術(shù)創(chuàng)新、品質(zhì)提升和優(yōu)化市場(chǎng)響應(yīng)，竭力為客戶帶來(lái)嶄新體驗(yàn)，不斷為客戶提供質(zhì)量產(chǎn)品。竭誠(chéng)歡迎新老客戶和社會(huì)各界朋友蒞臨我司參觀考察，指導(dǎo)交流，期待與您攜手、共創(chuàng)輝煌明天。市場(chǎng)為導(dǎo)向，重信譽(yù)，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。正盟環(huán)保始終以質(zhì)量為發(fā)展，把顧客的滿意作為公司發(fā)展的動(dòng)力，致力于為顧客帶來(lái)***的助焊劑，錫絲，錫條，錫膏。</p></p><br 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