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class="proBig"><div id="ovxp7my" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333784210097656/6855523.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="z2e7xzo" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333784210097656/6855523.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="73mg2ip" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>臺州脫脂清洗劑,脫脂劑</p><p><span>***更新：</span>2020-08-24 10:11:51</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="yu7gsuo" 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</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="3htqfrt" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hw3e22x" class="box"><p><p style="text-indent:25px">脫脂劑的消泡性能：將試液倒人100mL具塞量筒內(nèi)使液面距離塞下端面70mL，蓋塞，在30℃±2℃的水浴或電烘箱中放置10min取出，臺州脫脂清洗劑，立即上下?lián)u動1min，上下?lián)u動的距離為0，臺州脫脂清洗劑.33m，頻率為100～110次／min，搖動完畢后，打開簡塞，盛試液的量筒置于30℃±2℃的水浴或電烘箱中靜置10min，臺州脫脂清洗劑，觀察泡沫消失情況，記下殘留泡沫高度(應(yīng)為泡沫高、低值的平均數(shù))。脫脂也稱除油，金屬表面除油是表面處理工程中的重要環(huán)節(jié)，也是金屬表面處理的一道工序。脫脂是否徹底對整個產(chǎn)品的質(zhì)量和壽命至關(guān)重要。影響脫脂質(zhì)量的主要有四個因素：脫脂溫度，脫脂時間，機(jī)械作用和脫脂劑。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。臺州脫脂清洗劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="臺州脫脂清洗劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784210097656/6855523.png"></div><p style="text-indent:25px">選用脫脂劑時應(yīng)注意的事項：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，目前檢驗脫脂劑的清洗能力的方法有多種，包括定性的檢測有驗油試紙法GB/T13312-91，鋼帶試件涂裝前除油程度檢驗方法（驗油試紙法），脫脂棉擦拭法，水膜法等。定量檢測法包括重量法，熒光法，其中重量法是比較方便和比較簡單的方法。臺州脫脂清洗劑脫脂劑中加入具有乳化油脂作用的表面活性劑就變成了第二類乳化脫脂劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="臺州脫脂清洗劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784186044922/7495406.png"></div><p style="text-indent:25px">我們選擇脫脂劑前應(yīng)先了解所脫脂脂的種類。如果是蠟質(zhì)油脂，比如拋光膏、拉伸油、凡士林等，應(yīng)選擇乳化脫脂劑為佳。這時若使用70℃以上高溫，再配合超聲波，其效果更好。如果是普通油脂，則較好選擇置換型脫脂劑，可使在室溫下脫脂，節(jié)能明顯。如果零件表面浮灰較多，則應(yīng)在化學(xué)脫脂后再補(bǔ)充電解脫脂，或采用擦洗脫脂。還可以選擇一種置換型脫脂劑，采用不同溫度下去除不同油脂的方法。但這種方法在高溫下要使用較低濃度，否則會有表面活性劑物質(zhì)析出粘在零件上更難以去除而造成麻煩。在使用脫脂劑時，不僅要注意它的性能，還應(yīng)考慮到經(jīng)濟(jì)因素。脫脂劑的使用壽命是決定成本的主要因素。脫脂劑的壽命由長到短的順序是：置換型大于乳化型大于皂化型。</p><p style="text-indent:25px">在使用脫脂劑時應(yīng)注意什么問題?管道和設(shè)備的脫脂溶劑通常采用四氯化碳或二氯乙烷，二者均具有毒性。因為二氯乙烷還有燃燒和的危險，所以較常用的溶劑是四氯化碳。四氯化碳對人體是有毒的。它是脂肪的溶劑，有強(qiáng)有力的麻醉作用，且易被皮膚吸收。四氯化碳中毒能引起頭疼、昏迷、嘔吐等癥狀。四氯化碳在500℃以下是穩(wěn)定的。在接觸到煙火，溫度升至500℃以上時，四氯化碳蒸氣與水蒸氣化合可生成光氣。在常溫下四氯化碳與硫酸作用也能生成光氣。光氣是劇毒氣體，極其微量也能引起中毒。此外，四氯化碳與堿發(fā)生化學(xué)反應(yīng)，會生成甲烷而失效。并不是所有場合都是溫度越高越好，各種脫脂劑有其適合的溫度范圍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="臺州脫脂清洗劑,脫脂劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637333784100664062/6298715.png"></div><p style="text-indent:25px">浸泡脫脂是使用具有攪拌、溶液循環(huán)等機(jī)械作用的浸泡槽將已增加浸泡脫脂劑的脫脂液加溫到60℃就可進(jìn)行脫脂清洗。浸泡脫脂所需設(shè)備簡單、對復(fù)雜工件、有空腔結(jié)構(gòu)等的工件脫脂效果好，但脫脂處理時間相對較長。噴淋脫脂是利用機(jī)械強(qiáng)噴射力來強(qiáng)化脫脂的一種工藝方法，噴淋式脫脂由于機(jī)械力的作用，噴淋脫脂劑綜合液溫度可降低到40℃－50℃，處理時間一般是浸泡脫脂的1/10-1/3左右且對外表面脫脂清洗效果好，對內(nèi)表面脫脂效果稍差，特別是要求噴淋室密封好，不漏水，不串水。噴淋式設(shè)備管路多，噴嘴多，維護(hù)工作量大，必須加強(qiáng)各方面管理。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。臺州脫脂清洗劑</p><p style="text-indent:25px">對于脫脂除必須給予足夠的重視。臺州脫脂清洗劑</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，因為，噴射時迫使新鮮的脫脂溶液與零件表面有良好的接觸，而且整個脫脂液含量均勻，有利于提高脫脂效果；噴射時依靠機(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，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，每小時的循環(huán)量約為槽液體積的5倍。臺州脫脂清洗劑</p><p style="text-indent:25px">上海昊琳化工有限公司屬于化工的高新企業(yè)，技術(shù)力量雄厚。公司是一家有限責(zé)任公司（自然）企業(yè)，以誠信務(wù)實(shí)的創(chuàng)業(yè)精神、質(zhì)量高速的管理團(tuán)隊、精悍的職工隊伍，努力為廣大用戶提供***的產(chǎn)品。公司業(yè)務(wù)涵蓋[ "環(huán)保化學(xué)鍍鎳", "脫脂清洗劑", "拋光鈍化劑", "鋁浸鋅液" ]，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。上海昊琳化工自成立以來，一直堅持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會各界的普遍認(rèn)可與大力支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1022388.html</p></div></div></div></div></div><div id="fzwta3f" class="page-right twoColRt"><div id="etqipmy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oifxzg2" 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="3nzwya7" class="recomPic likePro"><a 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