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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="g93efqc" 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="3uix2if" 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>金華助焊劑廠家,助焊劑</p><p><span>***更新：</span>2020-09-08 15:04:58</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="onioynx" 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="wgffjkl" class="page-proshow02"><p class="title">詳細說明</p><div id="vn3fvlf" 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中主要的部分，它可以直接的影響到電子產品的質量的優(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、有機溶劑、天然樹脂及其衍生物或合成樹脂、有機酸活化劑以及防腐蝕劑、助溶劑和成膜劑，金華助焊劑廠家。【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行。 3、降低焊料的張力，能夠加強其潤滑作用，金華助焊劑廠家。 4，金華助焊劑廠家、能夠保護焊接的母材 5、一般情況下，如果我們選擇了合適的助焊劑的話，還能夠使焊點起到美觀的作用。杭州正盟環(huán)保工程有限公司專業(yè)生產水基環(huán)保免清洗焊劑。金華助焊劑廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華助焊劑廠家,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└鞒煞值淖饔弥袡C胺與酸復配使用有機胺本身含有氨基-NH︰具有活性，加入有機胺可促進焊接效果。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胺。有機酸和有機胺混合會發(fā)生中和反應，生成中和產物。這種中和產物是不穩(wěn)定的，在焊接溫度下會迅速分解，重新生成有機酸和有機胺，這樣就能保證有機酸原有的活性，焊接結束后，剩余的有機酸又會被有機胺中和，使殘留物的酸性下降，減少腐蝕。因此加入了有機胺類以后，不僅可以調節(jié)助焊劑的酸度，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。寧波助焊劑原理現貨批發(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="金華助焊劑廠家,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637334520275830078/3192344.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！繕渲盗兄竸?在電子產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溶劑，故又稱為有機溶劑助焊劑，其主要成分是松香。松香在固態(tài)時呈非活性，只有液態(tài)時才呈活性，其熔點為127℃活性可以持續(xù)到315℃。錫焊的溫度為240～250℃，所以正處于松香的活性溫度范圍內，且它的焊接殘留物不存在腐蝕問題，這些特性使松香為非腐蝕性焊劑而被廣泛應用于電子設備的焊接中。為了不同的應用需要，松香助焊劑有液態(tài)、糊狀和固態(tài)3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。</p><p style="text-indent:25px">【正盟環(huán)?！繕渲盗兄竸?②弱活性化松香（RMA）：這類助焊劑中添加的活性劑有乳酸、檸檬酸、硬脂酸等有機酸以及鹽基性有機化合物。添加這些弱活性劑后，能夠促進潤濕的進行，但母材上的殘留物仍然不具有腐蝕性，除了具有高可靠性的航空、航天產品或細間距的表面安裝產品需要清洗外，一般民用消費類產品（如收錄機、電視機等）均不需設立清洗工序。在采用弱活性化松香時，對被焊件的可焊性也有嚴格的要求。 ③活性化松香（RA）及超活性化松香（RSA）：在活性化松香助焊劑中，添加的強活性劑有鹽酸苯胺、鹽酸聯(lián)氨等鹽基性有機化合物，這種助焊劑的活性是明顯提高了，但焊接后殘留物中氯離子的腐蝕變成不可忽視的問題，所以，在電子產品的裝聯(lián)中一般很少應用。隨著活性劑的改進，已開發(fā)了在焊接溫度下能將殘渣分解為非腐蝕性物質的活性劑，這些大多數是有機化化合物的衍生物。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="金華助焊劑廠家,助焊劑" src="https://tyunfile.71360.com/UploadFile/zhengmenghuanbao1/637336031689003906/1471739.jpg"></div><p style="text-indent:25px">【正盟環(huán)?！繉τ谑褂脧S商來說，因為助焊劑的成份是沒有辦法做出測試的.如果要想了解助焊劑溶劑是否揮發(fā)，可以簡單的從比重上測量,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，有以下幾點建議給使用廠商：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，雖然說供應商也可能用混合溶劑，但要求供應商提供成份報告，一般他們還是會提供的；但是，異丙醇的價格大概是甲醇的3-4倍，如果和供應商壓價的厲害，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，在確認樣品時，應要求供應商提供相關參數報告，并與樣品對照，如樣品確認OK，后續(xù)交貨時應按原有參數對照，出現異常時應檢查比重，酸度值等,助焊劑的發(fā)煙量也是很重要的一個指標。三、助焊劑市場是良莠不齊，選擇時對供應商的資質應該進行確切了解，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。杭州正盟環(huán)保工程有限公司坐落于杭州錢江經濟開發(fā)區(qū)。天津助焊劑膏</p><p style="text-indent:25px">環(huán)保級助焊劑，可免除清洗工序，進而節(jié)約制造商的生產費用和工作時間。金華助焊劑廠家</p><p style="text-indent:25px">【正盟環(huán)保】助焊劑中還包含許多其它有用成分。溶劑主要作用是溶解焊劑中的所含成分，作為各成分的載體，使之成為均勻的粘稠液體。一般為醇類、酯類、醇醚類、烴類、酮類等。高沸點的醇保護效果較好，但粘度大、使用不便；低沸點的醇黏度低，但保護性差，因而可以考慮選擇混合醇的方法。一般為高沸點和低沸點醇的混合物，有的使用水溶性的醇和不溶于水的醚作溶劑。李偉浩以超支化結構和平均分子量為2000的水溶性聚合物作為助焊劑載體，超支化的分子構型不僅能提高聚合物的熱分解溫度，同時可以降低聚合物的粘度，增強聚合物的滲透和潤濕性能。表面活性劑主要作用是降低焊劑的表面張力，增加焊劑對焊粉和焊盤的親潤性。金華助焊劑廠家</p><p style="text-indent:25px">杭州正盟環(huán)保工程有限公司總部位于順風路528號2號樓南樓東向3層，是一家杭州正盟環(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(lián)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。的公司。正盟環(huán)保深耕行業(yè)多年，始終以客戶的需求為向導，為客戶提供***的助焊劑，錫絲，錫條，錫膏。正盟環(huán)保始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。正盟環(huán)保始終關注環(huán)保市場，以敏銳的市場洞察力，實現與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1206847.html</p></div></div></div></div></div><div id="olm3bw3" class="page-right twoColRt"><div id="wyndcrh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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