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src="https://tyunfile.71360.com/UploadFile/haolin123/637333784200712891/348108.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dj1vpdr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333784200712891/348108.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="v7vjz1t" 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>鎮(zhèn)江酸性脫脂劑分析,脫脂劑</p><p><span>***更新：</span>2021-01-27 00:22:34</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="phzp9np" 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="jhpp7pl" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rhnfvlh" class="box"><p><p style="text-indent:25px">脫脂劑是如何對(duì)鋼鐵件進(jìn)行脫脂的？若鋼鐵件上的油脂不是太多，可以使用酸性的脫脂劑。單純的酸(鹽酸或硫酸)是沒有脫脂作用的，只有在酸內(nèi)加入一些乳化劑才具有脫脂作用，鎮(zhèn)江酸性脫脂劑分析，析出的氫氣不只強(qiáng)化了脫脂過程，而且其表面活性劑還有阻止酸霧的作用。使用酸性脫脂劑既能除銹又能脫脂。但前提是金屬表面油不多才行，鎮(zhèn)江酸性脫脂劑分析，鎮(zhèn)江酸性脫脂劑分析，否則不宜使用。使用酸性脫脂時(shí)，一般鹽酸或硫酸，也可用混酸，但不能使用硝酸，因?yàn)槭且装l(fā)花，較精密零件可使用較溫和的氨磺酸。使用強(qiáng)酸時(shí)，盡量在酸中加入緩蝕劑。為了后面我們能更好的使用鋼鐵件，因而我們一定要對(duì)其進(jìn)行好好處理，脫脂劑的選擇是很重要的，選擇的結(jié)果決定了我們處理的效果是怎樣的，因而要多多注意。以表面活性劑為主的脫脂劑配方清洗金屬表面時(shí)不至于損傷金屬制品的質(zhì)地。鎮(zhèn)江酸性脫脂劑分析</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江酸性脫脂劑分析,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784200712891/348108.png"></div><p style="text-indent:25px">脫脂劑的適用范圍：用于工程礦山機(jī)械設(shè)備安裝前的除防銹油，生產(chǎn)中設(shè)備維修保養(yǎng)、軸承、管道內(nèi)的廢舊磺油清洗，設(shè)備表面磺油固化層及機(jī)油黃袍的清洗。使用方法：用布碎沾上本品涂抹需清洗表面、油層、油泥，很快分解脫落。不需沖清水，自然揮發(fā)干凈。用噴槍接上0.4—0.6mpa的壓縮空氣吸入TM-26，噴洗油泥、油垢死角，待油污化解沖洗干凈后，用壓縮空氣吹干即可。注意事項(xiàng)：操作現(xiàn)場(chǎng)應(yīng)避免明火存在，清洗中保持充分通風(fēng)部分不耐溶型橡膠，不宜長時(shí)間接觸。用手操作工人需戴手套，本品脫脂性極強(qiáng)，長期接觸皮膚會(huì)使皮膚粗澀。上海脫脂清洗劑脫脂方法不同，對(duì)脫脂劑要求也不同。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江酸性脫脂劑分析,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784233378906/3829024.png"></div><p style="text-indent:25px">在金屬化學(xué)處理、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。主要脫脂劑的組成有以下幾種：(1)堿性脫脂劑;(2)乳液脫脂劑;(3)溶劑脫脂劑。以表面活性劑為主的脫脂劑配方清洗金屬表面時(shí)不至于損傷金屬制品的質(zhì)地，而且少量的脫脂劑即可使大量的油脂乳化分散，從而使油垢易于脫離金屬表面，是較為理想的一類金屬脫脂劑。常用的表面活性劑有LAS、AOS等陰離子型和AEO等非離子型表面活性劑。前者具有較強(qiáng)的去污力，但耐硬水差，使用時(shí)添加螯合劑；后者對(duì)硬水不敏感，但洗滌溫度要適當(dāng)，防止出現(xiàn)濁點(diǎn)。</p><p style="text-indent:25px">脫脂劑的脫脂溫度一般說來，溫度越高，脫脂越徹底。這是因?yàn)槿矫娴脑?，一，溫度使油污的物理性能發(fā)生變化，例如滴落點(diǎn)高的防銹脂，凡士林，固態(tài)石蠟等，在較低溫度下即使采用高濃度的堿液也難洗凈。但是，當(dāng)提高油污的溫度，他們的黏度就降低，甚至形成液滴而利于除去。第二，促進(jìn)化學(xué)反應(yīng)的進(jìn)行，一般的說，溫度每上升10度，化學(xué)反應(yīng)速度提高一倍。第三，加速表面活性劑分子的運(yùn)動(dòng)，從而促進(jìn)浸潤、乳化、分散等作用。隨著溫度的升高，溶液對(duì)污物的溶解能力也提高。但是，并不是所有場(chǎng)合都是溫度越高越好，各種脫脂劑有其適合的溫度范圍。脫脂劑的組成和使用方法對(duì)脫脂效果有很大的影響。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江酸性脫脂劑分析,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784210097656/6855523.png"></div><p style="text-indent:25px">脫脂劑是由芳香族化合物，高溶解力溶劑配合而成液體，具有極強(qiáng)的溶解脂膜的能力，脫脂劑速度快、效率高、可去除的涂層種類范圍較寬。適用于醇酸、硝基、聚脲醛橡膠型乙烯、環(huán)氧、聚酯、聚氨酯等各種油脂，外墻涂料，粉末噴涂，涂層的脫除。去脂能力極強(qiáng)，本品與國外同類產(chǎn)品相比，脫脂效果相同，脫脂時(shí)間可節(jié)省20%左右。脫脂劑可分為酸性脫脂劑、堿性脫脂劑、中性脫脂劑這三類。脫脂劑適用于清理舊的環(huán)氧脂類、聚氨酯脂類等交聯(lián)固化型脂膜。脫脂劑使用方便，脫脂效率高。在電鍍加工過程中，應(yīng)用比較多的還是水基脫脂劑。臺(tái)州工業(yè)用脫脂劑</p><p style="text-indent:25px">脫脂劑包括堿性脫脂劑、乳液脫脂劑和溶劑脫脂劑三種。鎮(zhèn)江酸性脫脂劑分析</p><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或說明書規(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)有無分層現(xiàn)象。鎮(zhèn)江酸性脫脂劑分析</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3023070.html</p></div></div></div></div></div><div id="x19frln" class="page-right twoColRt"><div id="tlbzxxj" class="box01 margin10 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