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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>?紹興助焊劑標(biāo)準(zhǔn) 真誠推薦杭州正盟環(huán)保工程供應(yīng)</p><div id="cmj2fmt" class="leftbox clearfix"><h1>紹興助焊劑標(biāo)準(zhǔn) 真誠推薦杭州正盟環(huán)保工程供應(yīng)</h1><div id="ey73ip3" class="proBig"><div id="k2u3kmg" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275751953/4246134.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7i8zbaw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275751953/4246134.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3z97k2v" 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>紹興助焊劑標(biāo)準(zhǔn),助焊劑</p><p><span>***更新：</span>2020-09-05 20:13:43</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="zgh3ixo" 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="kp8k83y" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="yiaz4kb" class="box"><p><p style="text-indent:25px">【正盟環(huán)保】助焊劑（flux）：在焊接工藝中能幫助和促進(jìn)焊接過程，同時(shí)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，紹興助焊劑標(biāo)準(zhǔn)、增大焊接面積”、“防止再氧化”等幾個(gè)方面，在這幾個(gè)方面中比較關(guān)鍵的作用有兩個(gè)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(shí)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(shí)表面的再次氧化，紹興助焊劑標(biāo)準(zhǔn)，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。熱誠歡迎各界朋友前來參觀，紹興助焊劑標(biāo)準(zhǔn)、考察、治談業(yè)務(wù)。紹興助焊劑標(biāo)準(zhǔn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興助焊劑標(biāo)準(zhǔn),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275751953/4246134.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！繉?duì)于使用廠商來說，因?yàn)橹竸┑某煞菔菦]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、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。上海助焊劑材料廠家成本價(jià)銷售出廠價(jià)批發(fā)環(huán)保助焊劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興助焊劑標(biāo)準(zhǔn),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520274609375/2746468.jpg"></div><p style="text-indent:25px">【正盟環(huán)保】常用的焊料錫（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(diǎn)為232℃。由于純錫，呈脆性，并且能與大多數(shù)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(shí)降低熔點(diǎn)，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(zhì)軟、密度大、有延展性、有毒性、在空氣中易氧化的金屬，熔點(diǎn)為327℃。但是鉛，是一種不錯(cuò)的錫焊料添加料，當(dāng)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(diǎn)變低，利于低溫焊接，能容易與大多數(shù)金屬結(jié)合（即：容易上焊料），并且價(jià)格低、導(dǎo)電性好、焊點(diǎn)可靠。</p><p style="text-indent:25px">【正盟環(huán)保】常用的助焊劑助焊劑，也有人稱為：”焊劑、焊藥“。經(jīng)過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姷闹竸┯猛竞托阅?助焊劑，在溫度升高時(shí)，能流淌到焊接表面散開，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，無腐蝕性，不會(huì)沾染灰塵。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(duì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興助焊劑標(biāo)準(zhǔn),助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275439453/9758486.jpg"></div><p style="text-indent:25px">【正盟環(huán)保】助焊劑的危害一般情況下，如果技術(shù)工人接觸到高濃度的環(huán)境的情況下，所蒸發(fā)出來的蒸汽吸入人體，就會(huì)出現(xiàn)頭難受、瞌睡的情況，一般情況下還會(huì)出現(xiàn)共濟(jì)失調(diào)以及刺激眼鼻喉等嚴(yán)重的癥狀。嚴(yán)重的話，患者還可能出現(xiàn)惡心、嘔吐以及其他狀況，有的會(huì)出現(xiàn)昏迷甚至死亡的事件發(fā)生。如果是長(zhǎng)期接觸他的話，我們的皮膚會(huì)出現(xiàn)很多的不良狀況，例如：干燥以及破裂的情況。【正盟環(huán)?！砍Ｓ玫闹竸?yīng)該具備的一些條件 1、助焊劑的熔點(diǎn)應(yīng)該低于焊料的熔點(diǎn)。 2、助焊劑表面的張力、黏度以及密度應(yīng)該要小于焊料。 3、助焊劑的殘?jiān)鼞?yīng)該及時(shí)的清理掉。 4、助焊劑不應(yīng)該產(chǎn)生對(duì)人體有害的以及有毒的氣體和臭味。不然的話，不僅對(duì)人們的身體造成危害，還對(duì)環(huán)境和大氣造成一定程度的污染。正盟生產(chǎn)質(zhì)量助焊劑。紹興助焊劑標(biāo)準(zhǔn)</p><p style="text-indent:25px">杭州正盟環(huán)保，現(xiàn)貨供應(yīng)環(huán)保級(jí)助焊劑，洗焊劑，環(huán)保錫絲。紹興助焊劑標(biāo)準(zhǔn)</p><p style="text-indent:25px">【正盟環(huán)?！恐竸┚邆湫阅?⑴助焊劑應(yīng)有適當(dāng)?shù)幕钚詼囟确秶?。在焊料熔化前開始起作用，在施焊過程中較好地發(fā)揮去除氧化膜、降低液態(tài)焊料表面張力的作用。焊劑的熔點(diǎn)應(yīng)低于焊料的熔點(diǎn)，但不易相差過大。 ⑵助焊劑應(yīng)有良好的熱穩(wěn)定性，一般熱穩(wěn)定溫度不小于100℃。 ⑶助焊劑的密度應(yīng)小于液態(tài)焊料的密度，這樣助焊劑才能均勻地在被焊金屬表面鋪展，呈薄膜狀覆蓋在焊料和被焊金屬表面，有效地隔絕空氣，促進(jìn)焊料對(duì)母材的潤濕。 ⑷助焊劑的殘留物不應(yīng)有腐蝕性且容易清洗；不應(yīng)析出有毒、有害氣體；要有符合電子工業(yè)規(guī)定的水溶性電阻和絕緣電阻；不吸潮，不產(chǎn)生霉菌；化學(xué)性能穩(wěn)定，易于貯藏。紹興助焊劑標(biāo)準(zhǔn)</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)型的公司。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。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造環(huán)保良好品牌。正盟環(huán)保立足于全國市場(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>文章來源地址: http://www.cdcfah.com/cp/1170358.html</p></div></div></div></div></div><div id="h2eihtv" class="page-right twoColRt"><div id="vkceieq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fu3qsp8" 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)" 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