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表面前處理 金屬表面處理劑促進涂層之間的附著
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2016/03/18

近年來,金屬表面處理技術獲得了迅速發展,已廣泛應用于眾多領域。在表面處理技術及工程中,前處理占有極為重要的地位,他不僅作為表面處理前的一種"預處理工序"不可或缺,而且與后續表面處理的成敗密切相關。


金屬噴油之前都要先進行前處理操作,避免在噴油過后出現不良問題,其中掉漆是常見的不良問題之一。我們常接觸金屬工件,了解到金屬表面張力弱,吸附力度差,對于附著力問題,可以在噴油之前加一層金屬表面處理劑,促進金屬表面分子與油漆分子的附著,從而達到理想中的附著效果。


金屬表面處理劑能夠過百格、水煮、高低溫等測試。

如:不繡鋼噴PU,100度水煮1小時,出現掉漆

步驟一:用白電油將素材表面清潔干凈。

步驟二:噴涂金屬表面處理劑烘烤5分鐘。

步驟三:噴PU,過水煮測試


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