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clearfix"><h1>麗水脫脂液配方誠(chéng)信互利上海昊琳化工供應(yīng)</h1><div id="7tkkczk" class="proBig"><div id="ykrhotv" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333784108935547/3139676.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3ta77s2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333784108935547/3139676.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xjgtq2u" 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>麗水脫脂液配方,脫脂劑</p><p><span>***更新：</span>2021-01-11 07:17:35</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="tr7l972" 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="wysjvca" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="zoldf3i" class="box"><p><p style="text-indent:25px">脫脂劑的性能檢測(cè)還有硬水穩(wěn)定性能，高低溫穩(wěn)定性和單片和疊片防銹性能。從脫脂劑的組成上將脫脂劑分為三類：一是有機(jī)脫脂劑，如煤油、汽油、三氯乙烯、四氯化碳等脫脂劑，這些脫脂劑只是粗脫脂，不能脫脂后直接龜鍍。第二類是水基脫脂劑，采用無(wú)機(jī)堿、鹽與表面活性劑組成。這類脫脂劑是電鍍脫脂劑的主體。第三類是無(wú)機(jī)和有機(jī)物的混合脫脂劑，麗水脫脂液配方，又稱乳化液脫脂。它是以表面活性劑為主，加入煤油或汽油與水形成乳液，麗水脫脂液配方，生產(chǎn)上應(yīng)用較少。在金屬化學(xué)處理，麗水脫脂液配方、電鍍及涂施之前，要用脫脂劑脫除金屬表面上的油脂及礦物油。麗水脫脂液配方</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水脫脂液配方,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784108935547/3139676.png"></div><p style="text-indent:25px">選用金屬表面除油脫脂劑應(yīng)考慮的方面有：不同的金屬在堿液中有不同的腐蝕界限，耐腐蝕性差的金屬如銅、鋅金屬等應(yīng)該選用中性或偏弱金屬表面除油脫脂劑；因此必須根據(jù)金屬的材質(zhì)選擇合適的PH值的金屬表面除油脫脂劑。要考慮零件上油污的化學(xué)性質(zhì)（如動(dòng)植物油與氫氧化鈉是可皂化的而與礦物油不發(fā)生皂化反應(yīng)），油污的物態(tài)（固體或液體，油污中固態(tài)塵粒含量），油污對(duì)底材的吸附性（分子極性）等情況，再選用合適的金屬表面除油脫脂劑。再如清洗洗吸附性較強(qiáng)的防銹油用水基型金屬表面脫脂劑較難清洗，應(yīng)改用溶劑型金屬表面除油脫脂劑。麗水脫脂液配方脫脂劑一般隨著濃度的增加，去污能力也相應(yīng)的增強(qiáng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水脫脂液配方,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784200712891/348108.png"></div><p style="text-indent:25px">脫脂劑脫脂效果的好壞有哪些影響因素：脫脂劑對(duì)脫脂效果的影響。脫脂劑的組成和使用方法對(duì)脫脂效果有很大的影響。在含表面活性劑堿液脫脂比單獨(dú)堿性物溶液脫脂效果好。對(duì)滴落點(diǎn)高固態(tài)，半固態(tài)油脂，溶劑清洗比用其他脫脂效果有效。為提高油污乳化，分散能力，適當(dāng)提高脫脂劑表面活性劑含量為有效，不同表面活性劑品種，不同堿性物都使脫脂效果產(chǎn)生一定差異，良好脫脂劑都經(jīng)大量試驗(yàn)，對(duì)其組分相互搭配比例進(jìn)行反復(fù)篩選而確定的含表面活性劑堿液脫脂劑，較有效發(fā)揮洗凈作用表面活性劑臨界膠束濃度上限。</p><p style="text-indent:25px">脫脂劑脫脂效果的好壞有哪些影響因素：機(jī)械作用。脫脂，借助壓力噴射，攪拌等機(jī)械作用非常有效，噴射時(shí)迫使新鮮脫脂溶液，零件表面具良好接觸，且整脫脂液含量均勻，利于提高脫脂效果;噴射依靠機(jī)械作用力促脫脂劑滲透，破壞油膜，有效迫使油污脫離零件表面;噴射促使脫離零件油污乳化，分散于在脫脂溶液，防止油污再吸附到洗凈，零件表面上。中低溫脫脂，機(jī)械作用尤重要。一般說(shuō)，壓力噴射，浸漬脫脂速度快一倍以上。噴射壓力通常(零點(diǎn)一到零點(diǎn)二)Mpa(于壓力噴射的脫脂劑必為低泡，免泡沫過(guò)多影響正常操作，脫脂液流失)，浸漬脫脂不能認(rèn)為靜止浸漬，必裝備循環(huán)泵，溶液不的攪動(dòng)，每小的循環(huán)量約槽液體積五倍。在選用金屬脫脂劑時(shí)要注意脫脂劑的濃度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水脫脂液配方,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784250039062/8363438.png"></div><p style="text-indent:25px">堿性化學(xué)脫脂劑除油機(jī)理:皂化作用：金屬表面油脂中的動(dòng)植物油（主要成分是硬脂酸），與堿性化學(xué)脫脂劑中的堿生成硬脂酸鈉（即肥皂）和甘油溶解進(jìn)入堿性溶液，俗稱皂化反應(yīng)，以除去金屬表面油脂。乳化作用：乳化劑為表面活性物質(zhì)，吸附在界面上，憎水基團(tuán)向著金屬基體，親水基團(tuán)溶液方向，使金屬與溶液間界面張力降低，從而在流體動(dòng)力等因素的作用下，油膜破裂變成細(xì)小的珠狀，脫離金屬表面，到溶液中形成乳濁液。皂化與乳化作用是相輔相成的，相互配合才能徹底去除金屬表面油污。浸透潤(rùn)濕作用：皂化與乳化作用均系從油污表面逐步進(jìn)行，而使含堿性化學(xué)脫脂劑的堿性溶液浸透油脂內(nèi)部，達(dá)到并潤(rùn)濕工件表面，增進(jìn)了脫脂除油的效果，這就是表面活性劑的浸透潤(rùn)濕作用。此外還仍具有分散作用，將從工件除下的油脂分散到脫脂液之中。脫脂劑,膠體鈦抗硬水表面調(diào)整劑,膠體鈦表調(diào)中和劑,酸性表調(diào)除銹劑。麗水脫脂液配方</p><p style="text-indent:25px">脫脂劑的脫脂效果與濃度并不是直線上升關(guān)系，因此對(duì)于脫脂質(zhì)量要求很高情況，不應(yīng)采取大幅度提高濃度方法。麗水脫脂液配方</p><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。麗水脫脂液配方</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2798636.html</p></div></div></div></div></div><div id="3kgi7ls" class="page-right twoColRt"><div id="shew2tk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="k8kqhe2" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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