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src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913996914063/9599976.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="icebyk3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913996914063/9599976.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="p7jb3xu" class="content"><p><span>需求數量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>安徽低溫封孔劑價格</p><p><span>***更新：</span>2020-06-08 03:22:07</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="fu3oel8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">仙桃市百事德化工有限責任公司</a></p><p><span>聯系人：</span>謝進濤</p><p><span>郵箱: </span>267304616@qq.com</p><p><span>電話: </span>15852535713</p><p><span>傳真: </span>0510_86380198</p><p><span>網址: </span></p><p><span>手機: </span>0510-86380198</p><p><span>地址: </span>沙嘴街道光湖路8號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="xwoaxjg" class="page-proshow02"><p class="title">詳細說明</p><div id="vkh8ykm" class="box"><p><p> 需要使用10％-30％的溶液中，將電壓控制在14-22v內，電流，操作流程的溫度為5-25攝氏度，并且整體陽極氧化處理時長為10-20分鐘。經陽極氧化處理后的陽極氧化層的厚度為3μm以上，并且該氧化層為無色透明的。待陽極氧化處理完成后，金屬單質鋁的表面部分出現大量微孔，利用覆膜機將雙向拉伸聚丙烯薄膜貼合在含有大量微孔的金屬單質鋁表面，用于將微孔與空氣進行隔絕，包裝后即可完成出廠。運輸至所需進行深加工的工廠，后續(xù)深加工的工廠確定好印刷方案后，將陽極氧化金屬單質鋁包覆的雙向拉伸聚丙烯薄膜撕離后，將陽極氧化金屬單質鋁放置在加熱至20攝氏度的平板打印機上進行印刷，安徽低溫封孔劑價格。待印刷過程結束后，通過沸水封閉處理方式將金屬單質鋁表面的微孔進行封閉后，得到陽極氧化金屬單質鋁印刷后的產品。實施例2：選取待處理的鋁合金，將鋁合金放入弱堿性脫脂溶劑(弱堿性脫脂劑，廠商：嵊州市春凱新材料有限公司)進行脫脂處理，待脫脂工序完成后放入鉻酸溶液中進行陽極氧化處理，在制作的過程中，安徽低溫封孔劑價格，需要使用5％-25％的鉻酸溶液中，將電壓控制在40v內，電流，操作流程的溫度為35攝氏度，安徽低溫封孔劑價格，并且整體陽極氧化處理時長為30分鐘。經陽極氧化處理后的陽極氧化層的厚度為3μm以上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽低溫封孔劑價格" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913996914063/9599976.png"></div><p> 氟是促進封孔的元素。（1）封孔時間對封孔質量的影響封孔時間直接決定封孔質量。封孔時間是封孔劑封孔能力的體現，受溫度、pH值、封孔劑成分和濃度、添加劑成分和濃度的影響較大。在同等條件下，與氟化鎳相比，氟鈦酸的封孔能力在三倍左右。即氟鈦酸的封孔時間是氟化鎳的1/3。若氧化膜的厚度為15μm，氟化鎳需要封孔15分鐘，氟鈦酸需5分鐘左右。（2）封孔溫度對封孔質量的影響根據不同溫度下的封孔試驗，可得到氟鈦酸封孔質量與溫度的變化規(guī)律。當溫度處于15-20℃時，封孔質量較好；當溫度升高時，離子擴散速度加快，水解速度加快，F-濃度提高，與氧化膜反應加快，生成的Ti(OH)4多，封孔速度提高；溫度太低時，F-濃度低，與氧化膜反應弱，生成的Ti(OH)4少，封孔效果則較差。實驗表明，當其他控制指標在工作范圍時，氟鈦酸的封孔溫度與封孔速度的關系為：溫度在15-20℃時，封孔速度約1μm/min；溫度在20-25℃時，封孔速度約2μm/min；溫度在25-30℃時，封孔速度約3μm/min。此時，可根據氧化膜性質、厚度、封孔溫度等確定封孔時間。（3）pH值對封孔質量的影響根據pH值對封孔質量的影響試驗，可得pH值對封孔質量的影響規(guī)律。隨槽液pH值的上升，按（2）式，氟鈦酸水解增加。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽低溫封孔劑價格" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913937138672/5901259.png"></div><p> 其封孔機理是在大于95℃高溫下，由于三氧化二鋁（Al2O3）的水合作用，生成含有一份結晶水的三氧化二鋁Al2O﹒H2O（2AlOOH,即勃姆體氧化鋁）或氫氧化鋁Al2O3﹒3H2O（2Al(OH)3,即拜耳體氧化鋁），使體積膨脹從而封閉了陽極氧化膜的結構微孔。勃姆體氧化鋁具有較好的耐腐蝕性，拜耳體氧化鋁耐腐蝕性遠不如勃姆體氧化鋁。沸水封孔和高溫水蒸氣封孔后能保持氧化膜的透明度，且提高了陽極氧化膜的抗開裂性或抗機械變形開裂性，適用于交通工具的車圈或太陽光直射的結構件。由于沸水封孔和高溫水蒸氣封孔在高溫下操作，需要消耗大量能源，一般不用于建筑鋁合金的封孔過程。（2）冷封孔（常溫封孔）工藝冷封孔是我國建筑鋁合金**早推廣和目前**常使用的常規(guī)封孔工藝，采用氟化鎳為封孔藥劑的主要成分，在陽極氧化膜微孔結構中填充耐腐蝕的氫氧化鎳，完成封孔過程。為提高陽極氧化膜的柔韌性和封孔質量，可采用將冷封孔后的鋁合金型材，在60-80℃的去離子水中浸漬10-15分鐘，作為“冷封孔后處理”。歐洲已將“冷封孔后處理”列入陽極氧化處理的生產規(guī)范。冷封孔工藝在常溫下完成封孔過程，能降低能耗。該工藝以氟化鎳為封孔藥劑主要成分，生產過程中產生大量含鎳廢水，污染環(huán)境。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽低溫封孔劑價格" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913898906250/6931910.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/184109.html</p></div></div></div></div></div><div id="882x8jg" class="page-right twoColRt"><div id="8u2jlcu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xmtvskw" 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