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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3j729xt" 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>丹陽(yáng)強(qiáng)力脫脂劑,脫脂劑</p><p><span>***更新：</span>2020-11-19 03:16:59</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="nj7vwnu" 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="3373rso" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="x89q2g7" class="box"><p><p style="text-indent:25px">由于油污、油脂的來(lái)源廣、種類(lèi)多，油脂的強(qiáng)度各有不同，所以脫脂問(wèn)題很復(fù)雜，丹陽(yáng)強(qiáng)力脫脂劑，丹陽(yáng)強(qiáng)力脫脂劑。另外脫脂除油的對(duì)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，也有整體機(jī)器及設(shè)備等，這說(shuō)明脫脂除油的工作復(fù)雜，影響面廣，在許多情況下要求清洗質(zhì)量嚴(yán)格，丹陽(yáng)強(qiáng)力脫脂劑，甚至要達(dá)到行業(yè)規(guī)定的標(biāo)準(zhǔn)。因此，必須給予足夠的重視。脫脂質(zhì)量的好壞主要取決于脫脂溫度、脫脂時(shí)間、機(jī)械作用和脫脂劑四個(gè)因素；因此應(yīng)在此幾方面加以足夠重視。哪些因素將對(duì)堿性除油脫脂劑的脫脂效果產(chǎn)生影響和機(jī)械作用和不銹鋼脫脂劑質(zhì)量對(duì)脫脂效果產(chǎn)生的影響兩篇文章詳細(xì)介紹了四大因素將對(duì)脫脂質(zhì)量好壞的影響。超聲波脫脂是利用超聲波的空化作用、直進(jìn)流作用、加速度的原理與超聲波脫脂劑的乳化和皂化作用的完美結(jié)合。丹陽(yáng)強(qiáng)力脫脂劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="丹陽(yáng)強(qiáng)力脫脂劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784233378906/3829024.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。連云港脫脂劑批發(fā)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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="丹陽(yáng)強(qiáng)力脫脂劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784264570312/214329.png"></div><p style="text-indent:25px">脫脂劑在脫脂過(guò)程中，借助于壓力噴射或攪拌等機(jī)械作用是非常有效的，因?yàn)?，噴射時(shí)迫使新鮮的脫脂溶液與零件表面有良好的接觸，而且整個(gè)脫脂液含量均勻，有利于提高脫脂效果；噴射時(shí)依靠機(jī)械作用力促使除油脫脂劑滲透和破壞油膜，從而有效的迫使油污脫離零件表面；噴射時(shí)促使脫離零件的油污乳化和分散于脫脂溶液中，防止油污再吸附到洗凈的零件表面上。在中低溫脫脂中，機(jī)械作用尤為重要。一般的說(shuō)，壓力噴射比浸漬脫脂速度快1倍以上。噴射壓力通常為（0.1~0.2）Mpa(用于壓力噴射的脫脂劑必須是低泡的，以免泡沫過(guò)多影響正常操作和脫脂液流失)，浸漬脫脂也不能認(rèn)為是靜止浸漬，必須裝備循環(huán)泵，使溶液不停的攪動(dòng)，每小時(shí)的循環(huán)量約為槽液體積的5倍。</p><p style="text-indent:25px">選用脫脂劑時(shí)應(yīng)注意的事項(xiàng)：根據(jù)被處理零件的材質(zhì)選擇合適的PH值的脫脂劑。根據(jù)油污的種類(lèi)及數(shù)量選擇合適的脫脂劑。選用脫脂性能好的脫脂劑。注意與下道工序的配合。清洗能力（重量法）。脫脂劑的清洗能力是清洗劑的重要性能，目前檢驗(yàn)脫脂劑的清洗能力的方法有多種，包括定性的檢測(cè)有驗(yàn)油試紙法GB/T13312-91，鋼帶試件涂裝前除油程度檢驗(yàn)方法（驗(yàn)油試紙法），脫脂棉擦拭法，水膜法等。定量檢測(cè)法包括重量法，熒光法，其中重量法是比較方便和比較簡(jiǎn)單的方法。堿性化學(xué)脫脂劑除油機(jī)理:皂化作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="丹陽(yáng)強(qiáng)力脫脂劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784200712891/348108.png"></div><p style="text-indent:25px">除油脫脂劑所需要清洗的油污有皂化油類(lèi)和非皂化油類(lèi)；皂化油類(lèi)油脂能與堿起化學(xué)作用生成可以溶解于水的脂肪酸鹽和甘油，（拉伸油、切削油、沖壓油、防銹油、潤(rùn)滑油）等都屬于此類(lèi)油脂統(tǒng)稱(chēng)為皂化油；所以清洗皂化油應(yīng)采用水溶性堿性除油脫脂劑。各種礦物油(汽油、煤油、機(jī)油、凡士林等)均是非皂化油。此類(lèi)油不能與堿起化學(xué)反應(yīng)，其組成和性質(zhì)也與皂化油不同。所以清洗非皂化類(lèi)油脂應(yīng)選用溶劑除油脫脂劑。堿性化學(xué)脫脂劑是由堿以及表面活性劑等物質(zhì)構(gòu)成，其是利用堿性化學(xué)脫脂劑的皂化和乳化作用、浸透潤(rùn)濕作用機(jī)理除去可皂化油脂（動(dòng)植物油）和非皂化油脂（礦物油）等金屬表面油脂，可采用噴淋法、電解法，浸泡法、超聲波等脫脂除油工藝。浸泡脫脂所需設(shè)備簡(jiǎn)單、對(duì)復(fù)雜工件、有空腔結(jié)構(gòu)等的工件脫脂效果好，但脫脂處理時(shí)間相對(duì)較長(zhǎng)。丹陽(yáng)強(qiáng)力脫脂劑</p><p style="text-indent:25px">乳液脫脂劑，利用表面活性劑的潤(rùn)濕性、浸透性、乳化性及分散性可以脫除金屬表面的污垢。丹陽(yáng)強(qiáng)力脫脂劑</p><p style="text-indent:25px">除油脫脂劑對(duì)脫脂效果的影響：除油脫脂劑的組成和使用方法對(duì)脫脂效果有很大的影響。例如，含有表面活性劑的堿性除油脫脂劑比單獨(dú)的堿性溶液脫脂效果好。對(duì)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)提高除油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，良好的除油脫脂劑都是經(jīng)過(guò)大量試驗(yàn)，對(duì)其成分相互搭配比例進(jìn)行反復(fù)篩選而確定的。對(duì)于含有表面活性劑的堿性除油脫脂劑，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(guò)程中，除油脫脂劑會(huì)不斷的被消耗，使?jié)舛冉档?，因此，必須定期的補(bǔ)加脫脂劑原液，以保持必要的濃度。除油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(duì)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。丹陽(yáng)強(qiáng)力脫脂劑</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2049316.html</p></div></div></div></div></div><div id="zpvmij3" class="page-right twoColRt"><div id="xlsop2n" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="n3zg87l" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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