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id="zamtvc2" 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>海寧表面脫脂劑,脫脂劑</p><p><span>***更新：</span>2021-01-29 05:15:55</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="b29ldkh" 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="e3oty3d" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8bu8mxj" class="box"><p><p style="text-indent:25px">脫脂劑的的機(jī)械作用在脫脂中，借助于壓力噴射或攪拌等機(jī)械作用是非常有效的，因?yàn)椋瑖娚鋾r(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)，海寧表面脫脂劑，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，海寧表面脫脂劑.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)，海寧表面脫脂劑，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。堿性脫脂劑是以堿性清洗劑為主的水溶液，對(duì)動(dòng)植物油脂通過(guò)皂化作用使之成為可溶于水的皂類。海寧表面脫脂劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海寧表面脫脂劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784219404297/1022548.png"></div><p style="text-indent:25px">金屬脫脂劑主要用于脫除金屬材料表面的油污、油脂類。其中一類是以脂肪酸甘油脂為主的植物油、動(dòng)物油、食用油等皂化油,可通過(guò)與金屬脫脂劑中堿的皂化作用去除。另一類是以各種潤(rùn)滑油、機(jī)械油、礦物油、離合油、齒輪油、剎車油、機(jī)油、油墨、脫模油、壓縮機(jī)油，冷凍機(jī)油，真空泵油、內(nèi)燃機(jī)油等礦物油(非皂化油),可通過(guò)金屬脫脂劑的乳化作用來(lái)脫除。在金屬材料表面處理中,脫脂是重要的工藝過(guò)程，金屬制件表面的脫脂程度將直接影響到制件的后續(xù)處理質(zhì)量。據(jù)統(tǒng)計(jì)，在表面處理中由于金屬脫脂劑的脫脂不徹底而導(dǎo)致鍍層、轉(zhuǎn)化膜不良的比例,一般占60%～80%。所以選用一款好的金屬脫脂劑對(duì)于整個(gè)表面處理工藝至關(guān)重要。南京汽車脫脂劑脫脂劑能快速有有效地清洗機(jī)械表面、軸承、管道中的磺油、機(jī)油、除銹油及固化油脂。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海寧表面脫脂劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784069941406/2461785.png"></div><p style="text-indent:25px">脫脂劑的消泡性能。消泡性能試驗(yàn)主要是為了檢查水基脫脂劑溶液的泡沫消除能力。試液按30g/L或說(shuō)明書(shū)規(guī)定配制，并預(yù)熱至(30±2)℃，將試液倒入比色量筒中使液面距離塞下端面70mm，蓋塞，在(30±2)℃下恒溫10min取出，立即上下?lián)u動(dòng)1min，搖動(dòng)距離為0.33m，頻率約為100次/min。搖動(dòng)完畢后，打開(kāi)筒塞，在(30±2)℃溫度下靜置10min后觀察泡沫高度。脫脂劑的的乳化性能。乳化性能測(cè)定采用比色量簡(jiǎn)裝50mL脫脂劑及規(guī)定數(shù)量的4號(hào)拉延油，溫度在55℃，以均勻的速度上下?lián)u晃30次，距離為400mm，記錄下工作液的狀態(tài)有無(wú)分層現(xiàn)象。</p><p style="text-indent:25px">使用脫脂劑脫脂后處理應(yīng)注意的事項(xiàng)：1、操作規(guī)范。第1是浸洗工件不要露出水面，否則工件表面易泛黃、泛綠；第二是水洗好的工件盡可能少在空氣中停留，盡快進(jìn)人下道王件。要求工件離開(kāi)脫脂槽，進(jìn)人水洗、表調(diào)到磷化工序盡量不要超過(guò)10min。2、改善水洗性。水洗槽中加人卜二烷基硫酸鈉等，可降低表面水張力，達(dá)到金屬表面潤(rùn)濕效果。3、對(duì)于易形成死角存水的工件，必須選擇位置，鉆好工藝孔(或設(shè)計(jì)留工藝孔)，保證水能在短時(shí)間內(nèi)充分流盡。隨著使用過(guò)程中脫脂劑的消耗，有必要定期加以補(bǔ)充，以保持必要的濃度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海寧表面脫脂劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784250039062/8363438.png"></div><p style="text-indent:25px">脫脂劑的脫脂性能評(píng)估：驗(yàn)油試紙法。驗(yàn)油試紙法是在目測(cè)法的基礎(chǔ)上研究改進(jìn)的。其方法是把脫脂并經(jīng)過(guò)冷水沖洗后金屬表面。用一種極性溶液滴在其上，并把溶液鋪開(kāi)，然后將驗(yàn)油試紙緊貼在溶液膜上。如果油污去除得干凈，則驗(yàn)油試紙得整個(gè)表面可與金屬表面上的極性溶液完全接觸，并顯出連片的紅色。如果有油污附著，則由于極性溶液在油膜上不能把整個(gè)表面潤(rùn)濕，而呈現(xiàn)水珠狀，因此驗(yàn)油試紙出現(xiàn)的紅色是不連續(xù)的稀疏塊狀。此法具有以下特點(diǎn)：1)靈敏度高,每平方米金屬表面沾附著0.019的油污即可檢驗(yàn)出來(lái);2)操作方便。在生產(chǎn)車間檢驗(yàn)時(shí)．只要隨身帶一本驗(yàn)油試紙、一小瓶極性溶液和一根小玻璃棒。檢驗(yàn)時(shí)，把極性溶液涂覆在被檢驗(yàn)的金屬表面上，然后貼上驗(yàn)油試紙，1min內(nèi)即可得出結(jié)果;3)被檢驗(yàn)過(guò)的金屬表面要用干凈布擦干凈，對(duì)涂膜沒(méi)有不良影響;4)此法適用于鋼鐵件、銅、鋁等各種金屬表面上油污的檢驗(yàn)。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。南京汽車脫脂劑</p><p style="text-indent:25px">一次配制的脫脂劑可以多次使用，其使用時(shí)間主要取決于清洗零件的數(shù)量與脫脂劑的污染程度。海寧表面脫脂劑</p><p style="text-indent:25px">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)，一般還認(rèn)為熱水洗優(yōu)于冷水洗，這對(duì)于氧化皮較厚的鋼板和需要酸洗的工件來(lái)說(shuō)是必要的，但對(duì)于只需除油脫脂的幾件來(lái)說(shuō)是不利的。因?yàn)楫?dāng)工件離開(kāi)熱水洗進(jìn)人滴水區(qū)時(shí)，表面干洞，接觸空氣中的氧氣而易生銹二所以，經(jīng)冷水洗為宜。合理設(shè)計(jì)水槽。安裝一個(gè)溢流口(供水洗過(guò)程中保持溢流狀態(tài))和中間漏斗，進(jìn)水口位于操作面，水管直通槽底至槽高2/3處，有利于新鮮水循環(huán)良好。海寧表面脫脂劑</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3059972.html</p></div></div></div></div></div><div id="hdkrrcj" class="page-right twoColRt"><div id="8p3s7if" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="5j47ijp" 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 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