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歡迎咨詢上海昊琳化工供應(yīng)</h1><div id="kd8uln8" class="proBig"><div id="rf7k37m" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333784264570312/214329.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="iro4hpr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333784264570312/214329.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="84uta7t" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>宜興脫脂劑生產(chǎn),脫脂劑</p><p><span>***更新：</span>2020-08-28 07:09:10</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="s3likht" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海昊琳化工有限公司</a></p><p><span>聯(lián)系人：</span>彭**</p><p><span>郵箱: </span>SHHL668@163.com</p><p><span>電話: </span>13917612469</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://haolin123.shop.88360.com</p><p><span>手機(jī): </span>021-59220920</p><p><span>地址: </span>白鶴鎮(zhèn)白石公路1360路28號(hào)</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="8iujfwi" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="xoqkrtp" class="box"><p><p style="text-indent:25px">當(dāng)購(gòu)買金屬脫脂劑時(shí)，我們可以從金屬脫脂劑的外觀、PH值、消泡性能、漂洗性能、總堿度的檢測(cè)來(lái)綜合判斷金屬脫脂劑的質(zhì)量如何。具體方法如下：外觀：將液體金屬脫脂劑在15~35℃條件下放置24h后觀察，主要是觀察脫脂劑溶液是否均勻，有無(wú)分層和沉淀現(xiàn)象。檢查粉狀脫脂劑外觀時(shí)，主要是觀察是否均勻、松散，有無(wú)堅(jiān)硬團(tuán)塊。pH值：不同的金屬在堿性金屬脫脂劑中具有不同的腐蝕界限，如鋼鐵工件在堿性金屬脫脂劑中就易被腐蝕，宜興脫脂劑生產(chǎn)，因此必須根據(jù)工件的材質(zhì)選擇合適pH的金屬脫脂劑。當(dāng)工件是由鋼和其他金屬構(gòu)成的組合體時(shí)，則必須考慮組合體各部件工作材質(zhì)對(duì)金屬脫脂劑pH值的要求。增加脫脂時(shí)間，即延長(zhǎng)脫脂液與油污的接觸時(shí)間，宜興脫脂劑生產(chǎn)，宜興脫脂劑生產(chǎn)，從而提高脫脂效果。油污越多，脫脂時(shí)間就需越長(zhǎng)。宜興脫脂劑生產(chǎn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜興脫脂劑生產(chǎn),脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784264570312/214329.png"></div><p style="text-indent:25px">脫脂應(yīng)在露天或通風(fēng)良好的地方進(jìn)行。工作人員應(yīng)有防毒保護(hù)措施，戴多層口罩和膠皮手套，穿圍裙與長(zhǎng)統(tǒng)套靴。濃度大時(shí)還應(yīng)戴防毒面具。在連續(xù)工作8h的情況下，空氣中的四氯化碳含量不得超過(guò)0.05mg/L。脫脂現(xiàn)場(chǎng)嚴(yán)禁煙火。溶劑嚴(yán)禁與強(qiáng)酸接觸。溶劑應(yīng)保存在密封的容器內(nèi)，不得與堿接觸，以防變質(zhì)。需要脫脂的部件，在脫脂前不應(yīng)沾有水分。閥門脫脂時(shí)，應(yīng)解體在四氯化碳溶液中浸泡4～5min，不宜過(guò)久。脫脂后的零部件要用氮?dú)饣蚋稍锟諝獯蹈珊蟛拍芙M裝使用。否則易發(fā)生腐蝕、生銹。管式換熱器脫脂時(shí)，要嚴(yán)防四氯化碳積存在換熱管內(nèi)。特別是換熱管被焊錫等雜物堵塞時(shí)更要注意。在脫脂后應(yīng)用熱空氣將其吹除到無(wú)氣味為止。若在管內(nèi)有四氯化碳積存，投入運(yùn)行后會(huì)凍結(jié)、膨脹，將管脹裂。同時(shí)，解凍后有水分存在時(shí)，會(huì)產(chǎn)生強(qiáng)烈的化學(xué)腐蝕，能把0.5mm厚的管蝕穿。宜興脫脂劑生產(chǎn)對(duì)于脫脂除必須給予足夠的重視。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜興脫脂劑生產(chǎn),脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784100664062/6298715.png"></div><p style="text-indent:25px">脫脂劑的消泡性能：將試液倒人100mL具塞量筒內(nèi)使液面距離塞下端面70mL，蓋塞，在30℃±2℃的水浴或電烘箱中放置10min取出，立即上下?lián)u動(dòng)1min，上下?lián)u動(dòng)的距離為0.33m，頻率為100～110次／min，搖動(dòng)完畢后，打開簡(jiǎn)塞，盛試液的量筒置于30℃±2℃的水浴或電烘箱中靜置10min，觀察泡沫消失情況，記下殘留泡沫高度(應(yīng)為泡沫高、低值的平均數(shù))。脫脂也稱除油，金屬表面除油是表面處理工程中的重要環(huán)節(jié)，也是金屬表面處理的一道工序。脫脂是否徹底對(duì)整個(gè)產(chǎn)品的質(zhì)量和壽命至關(guān)重要。影響脫脂質(zhì)量的主要有四個(gè)因素：脫脂溫度，脫脂時(shí)間，機(jī)械作用和脫脂劑。</p><p style="text-indent:25px">金屬脫脂除油是機(jī)械涂裝行業(yè)前處理工藝中較關(guān)鍵的工序之一。金屬表面脫脂的程度將直接影響磷化序和涂裝質(zhì)量。它利用高效液體脫脂劑對(duì)油脂和污物的皂化、潤(rùn)濕、乳化、滲透、卷離、分散和增溶等作用把工件表面的各種油脂、灰塵泥沙、金屬粉末手汗及其工件在加工過(guò)程中所粘附的油性臟物高效的去除脫離徹底。隨著環(huán)保要求的提高，目前比較流行研究應(yīng)用生物可降解表面活性劑，對(duì)于活性劑，清洗劑要求無(wú)磷、無(wú)硅和低COD/BOD排放。雖然此方面的研究工作已開展30多年，但是目前還沒有一種無(wú)磷助劑能夠同時(shí)保證去污能力、對(duì)人體和環(huán)境無(wú)危害和潛在危害、成本較低這3項(xiàng)要求?，F(xiàn)在已研究出無(wú)磷脫脂劑，但成本高，應(yīng)用還有一定的阻力。浸泡脫脂是使用有攪拌、溶液循環(huán)等機(jī)械作用浸泡槽將已增加浸泡脫脂劑的脫脂液加溫到60℃就可進(jìn)行脫脂清洗。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜興脫脂劑生產(chǎn),脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784200712891/348108.png"></div><p style="text-indent:25px">脫脂劑的某些油污如含有不飽和脂肪酸的拉延油，長(zhǎng)期存放后，氧化聚集形成薄膜，含有固體粉料的拉延油。細(xì)微的粉料吸附在基體金屬表面上，還有當(dāng)油污和金屬腐蝕物等混合在一起，都會(huì)極大的增加清洗的難度。脫脂是依靠脫脂劑對(duì)污物的溶解作用，皂化作用，依靠表面活性劑對(duì)污物的潤(rùn)濕、滲透、分散等物理作用等等。使污物成為可溶解的或可分散的。但還必須使污物離開金屬表面，而讓新的清洗劑占據(jù)表面，這樣金屬表面才能達(dá)到清潔。因固體表面有相對(duì)穩(wěn)定的液膜，溶解后的污物自動(dòng)離開金屬表面以及表面上清洗劑的更新等都不是很容易的。這就要求加以攪拌、擦拭等方式，以完成清洗過(guò)程或提高清洗效果等。脫脂劑影響涂膜質(zhì)量，如果脫脂不徹底，雖然磷化膜形成了，但磷化膜不均勻。張家港脫脂劑批發(fā)</p><p style="text-indent:25px">脫脂劑的脫脂時(shí)間在脫脂操作中，必須保證有足夠的脫脂時(shí)間。宜興脫脂劑生產(chǎn)</p><p style="text-indent:25px">堿脫脂劑。由堿、螯合劑、表面活性劑及緩蝕劑所組成。堿可使油脂皂化而乳化分散，使礦物油分散。所用的堿可為氫氧化鈉、重碳酸鈉、倍半碳酸鈉、碳酸鈉、磷酸鈉、焦磷酸鈉以及三聚磷酸鈉等。這些堿對(duì)油分和金屬的作用各不相同，一般需要2～3種配合使用。螯合劑系由金屬離子和螯合物所制成，它可使金屬皂溶解，使硬水軟化，對(duì)堿和表面活性劑起著促進(jìn)乳化分散的作用，并可防止非溶解性物質(zhì)附著在金屬表面上。所用表面活性劑以非離子型為佳，表面活性劑可以使金屬表面的污垢脫離，而被除去，脫除的方法可以采用噴淋或浸漬。緩蝕劑主要是防止堿及其他化學(xué)藥劑對(duì)金屬的腐蝕。宜興脫脂劑生產(chǎn)</p><p style="text-indent:25px">上海昊琳化工有限公司創(chuàng)立于2008-10-27，是一家生產(chǎn)型公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下環(huán)保化學(xué)鍍鎳，脫脂清洗劑，拋光鈍化劑，鋁浸鋅液深受客戶的喜愛。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)先進(jìn)知識(shí)，遵守行業(yè)規(guī)范，植根于化工行業(yè)的發(fā)展。上海昊琳化工立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合世界前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1068180.html</p></div></div></div></div></div><div id="mlsk2iz" class="page-right twoColRt"><div id="j2tqc3w" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mrj8ewy" 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)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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