余姚**脫脂劑質(zhì)量保證上海昊琳化工供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="脫脂劑對于含有表面活性劑的堿液脫脂劑，比較有效的發(fā)揮洗凈作用是在表面活性劑的臨界膠束濃度的上限。使用過程中，脫脂劑會(huì)不斷的被消耗，使?jié)舛冉档?，因此，必須定期的補(bǔ)加脫脂劑，以保持必要的濃度。脫脂劑的脫脂效果與濃度并不是直線上升的關(guān)系，因此對于"><meta name="keywords" content="余姚**脫脂劑,脫脂劑"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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href="http://www.cdcfah.com/cp/third-jsjgzj_jsqxj/">金屬清洗劑</a>?余姚**脫脂劑質(zhì)量保證上海昊琳化工供應(yīng)</p><div id="20eemsu" class="leftbox clearfix"><h1>余姚**脫脂劑質(zhì)量保證上海昊琳化工供應(yīng)</h1><div id="cageiek" class="proBig"><div id="w8wc8e0" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333784219404297/1022548.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="msoeuay" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333784219404297/1022548.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mk08smu" 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>余姚**脫脂劑,脫脂劑</p><p><span>***更新：</span>2020-12-10 06:16:19</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="uay82ws" 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="ecaioes" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="aigwma8" class="box"><p><p style="text-indent:25px">脫脂劑對于含有表面活性劑的堿液脫脂劑，比較有效的發(fā)揮洗凈作用是在表面活性劑的臨界膠束濃度的上限。使用過程中，脫脂劑會(huì)不斷的被消耗，使?jié)舛冉档停虼?，必須定期的補(bǔ)加脫脂劑，以保持必要的濃度。脫脂劑的脫脂效果與濃度并不是直線上升的關(guān)系，因此對于脫脂質(zhì)量要求很高的情況，不應(yīng)當(dāng)采取大幅度提高濃度的方法，而應(yīng)該采用二次脫脂的辦法，倆個(gè)脫脂液可以是相同的，而且不必額外的提高濃度。脫脂劑也稱除油，金屬表面的油污、油脂是從材料的加工過程起至零件加工完成的各個(gè)環(huán)節(jié)中帶來的和在貯存運(yùn)輸過程中為了防銹用除銹油等；金屬材料和零件在進(jìn)一步做表面處理(如電鍍、涂飾、陽極氧化、鈍化等)前必須把表面的油污清洗干凈，余姚**脫脂劑，否則會(huì)影響除銹、除氧化皮的質(zhì)量，而且影響表面電鍍、涂裝層的質(zhì)量，余姚**脫脂劑，余姚**脫脂劑。脫脂除油的對象也很多，有各種金屬材料各不同，有由各種金屬制造的大小不同、形狀復(fù)雜程度不同的零部件。余姚**脫脂劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="余姚**脫脂劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784219404297/1022548.png"></div><p style="text-indent:25px">乳化脫脂對油脂的限制較小，可以使用較低一些溫度，一般在50～70℃即可。而置換脫脂可以使用較低的溫度，一般在10～50℃下使用。但置換脫脂劑對蠟類去除效果不佳，在常溫下不能去除石蠟、凡士林、拋光膏等油脂。但置換脫脂劑對大多礦物油還是很有效果的。它的較大優(yōu)點(diǎn)不僅是脫脂快，更重要的是節(jié)能。脫脂劑的性能、脫脂原理，但它們卻不是孤立的，是相互聯(lián)系在一起的。舉例來說，水中加入氫氧化鈉、碳酸鈉、磷酸鈉(還可再加入硅酸鈉)就配成了皂化型脫脂劑。當(dāng)這種脫脂劑溫度升至70℃以上使用時(shí)，油脂就和脫脂劑發(fā)生皂化反應(yīng)。在這種脫脂劑中加入表面活性劑，例如：OP-10，將溫度達(dá)到50～70℃之間，這時(shí)的油脂便會(huì)被乳化劑乳化后除去，這時(shí)的脫脂劑就變成了乳化型脫脂劑(第二類脫脂劑)。在這種脫脂劑中再加入某些表面活性劑，就可以變成置換型脫脂劑，可以在10～50℃之間使用。江蘇除油劑脫脂劑在脫脂過程中，借助于壓力噴射或攪拌等機(jī)械作用是非常有效的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="余姚**脫脂劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784069941406/2461785.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污物的溶解作用，皂化作用，依靠表面活性劑對污物的潤濕、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，以完成清洗過程或提高清洗效果等。</p><p style="text-indent:25px">脫脂劑對脫脂效果的影響脫脂劑的組成和使用方法對脫脂效果有很大的影響。例如，含有表面活性劑的堿液脫脂比單獨(dú)的堿性物溶液脫脂效果好。對于滴落點(diǎn)高的固態(tài)或半固態(tài)油脂，用溶劑清洗比用其他脫脂效果有效。為了提高油污的乳化和分散能力，適當(dāng)提高脫脂劑中表面活性劑的含量是有效的，不同的表面活性劑品種及不同的堿性物都使脫脂效果產(chǎn)生一定差異，良好的脫脂劑都是經(jīng)過大量試驗(yàn)，脫脂劑對其組分相互搭配比例進(jìn)行反復(fù)篩選而確定的。脫脂劑的多級(jí)水洗。通常進(jìn)行2道以上水洗(浸漬或噴淋，噴淋更適用帶縫隙工件)，一般認(rèn)為熱水洗優(yōu)于冷水洗。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="余姚**脫脂劑,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。脫脂劑的性能檢測還有硬水穩(wěn)定性能，高低溫穩(wěn)定性和單片和疊片防銹性能。江蘇除油劑</p><p style="text-indent:25px">良好的脫脂劑都是經(jīng)過大量試驗(yàn)，對其組分相互搭配比例進(jìn)行反復(fù)篩選而確定的。余姚**脫脂劑</p><p style="text-indent:25px">脫脂劑的性能特征：除蠟速度快，常溫下可快速溶蠟、剝蠟、除蠟；除蠟范圍廣，可除棕櫚蠟、微晶蠟、拋光蠟等各種類型蠟質(zhì)；潤濕、滲透能力強(qiáng)，能夠?qū)⒖紫吨械念B固蠟垢迅速溶解剝離；優(yōu)異的防銹性能，具有較強(qiáng)的酸中和能力，可用于酸洗后的防銹；質(zhì)量的銅緩蝕性能；產(chǎn)品性能溫和，可生物降解，綠色環(huán)保。脫脂劑適用于清洗劑體系，推薦用于黑色金屬、銅合金清洗劑，建議原液添加量為3%-5%；應(yīng)用于金屬加工液，建議原液添加量為3%-5%；脫脂劑與DX6508、DX129等復(fù)配使用效果更佳，建議原液添加量為5-15%。余姚**脫脂劑</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2343377.html</p></div></div></div></div></div><div id="koecsqg" class="page-right twoColRt"><div id="eemcqo2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="0swkiwk" 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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="a8oe0w8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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