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href="/dianyongqizhishi18.html">電泳漆知識</a> > <a class="bc" href="/dianyongqizixun.html">電泳漆資訊</a></div>  <div id="about"> <h1>電泳漆中性鹽霧試驗簡介</h1> <p align="center" class="time">發布時間：2022-10-15 來源：<a href="/">佛山市飛揚環?？萍加邢薰?/a></p> <div class="cont"> <br/> <p align="center" class="b10"><img alt="電泳漆中性鹽霧試驗簡介" title="電泳漆中性鹽霧試驗簡介" src="" /></p> <p class="MsoNormal"> 　　中性鹽霧試驗(NSS)，是電泳漆耐蝕性測試法中應用最廣泛的檢測方法，為便于大家對該方法有一個快速的了解，飛揚小編與您簡介如下：<o:p></o:p> </p> <p class="MsoNormal"> 　　鹽水的配制采用化學純或化學純以上的試劑，將氯化鈉溶于電導率不超過20μ<span style="font-family:STSong-Light;">s/cm</span><span style="font-family:宋體;">的蒸餾</span>水或去離子水中，配制<span style="font-family:STSong-Light;">濃度為</span>50士5克每升，pH值為 6.5-7.2。<o:p></o:p> </p> <p class="MsoNormal"> 　　壓縮空氣通過過濾器，除油凈化，<span style="font-family:STSong-Light;">壓力控制在</span>70 -170千帕<o:p></o:p> </p> <p class="MsoNormal"> 　　試板在鹽霧試驗箱中，<span style="font-family:STSong-Light;">被試表面與垂直方向成</span> 15-30度<o:p></o:p> </p> <p class="MsoNormal"> 　　鹽霧試驗<span style="font-family:STSong-Light;">箱內溫度為</span>35<span style="white-space:normal;">士</span>2℃。<o:p></o:p> </p> <p class="MsoNormal"> 　　在規定的試驗周期內，<span style="font-family:STSong-Light;">噴霧不得中斷</span>.只有當需要短暫觀察試樣——才能打開鹽霧箱。<o:p></o:p> </p> <p class="MsoNormal"> <span style="font-family:STSong-Light;">　　試驗結束后取出試樣</span> <span style="font-family:STSong-Light;">為減少腐蝕產物的脫落</span>.試樣在清洗前放在室內，自然干<span style="font-family:STSong-Light;">燥</span>0.5<span style="font-family:STSong-Light;">到</span><span style="font-family:STSong-Light;">1小時，</span>然后用清潔流動水輕輕清洗，以除去試樣表面殘留的鹽霧溶液，再立即用吹風機吹干<o:p></o:p> </p> <p class="MsoNormal"> 　　試驗結果的評價，下回講解， </p> </div> <p class="clear t10"></p> <p class="prew"><a href="/dianyongqizixun/19-991.html">上一篇:鹽霧試驗結果評定簡介</a></p> <p class="nextw"><a href="/dianyongqizixun/19-988.html">下一篇:再談談溫度對電泳涂裝的影響</a></p> <p class="clear"></p> <div id="xg_news" class="t10"> <h2 class="top10 bot10"><b>相關資訊</b></h2> <ul> <li><a href="/dianyongqizixun/19-991.html">鹽霧試驗結果評定簡介</a></li><li><a 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