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金屬前處理后噴漆 為什么還會掉漆 金屬底水可促進涂層附著嗎
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2016/12/22

  金屬制品做了前處理為什么還會掉漆?這就跟油漆的濃度,烘烤時間有關,處理不恰當都會引起掉漆起泡,金屬底水可促進金屬底材與油漆涂層附著,本品是根據底材和油漆的性能所研發,針對性強,附著力可達到4B。

◆OH值(55%) :22 mgKOH/g

◆固含(%):   27

◆T g:           55℃(理論值)

◆酸價:         ≤12 mgKOH/g

◆色澤:         ≤1

◆外觀:         微黃色液體

◆粘度:        40-50(Cps/25℃)

  操作工藝簡單,將素材表面清潔干凈,噴金屬底水膜厚約3-5UM,60-70度烘烤5分鐘噴相關面漆即可進行百格測試。

  本品廣泛應用于各種鋅合金、鎂合金、不銹鋼等五金件及其水鍍件或塑膠真空鍍膜上,可輔助加強金屬鍍膜層與UV的結合,同時和大部分的常用溶劑型樹脂有良好的親和力,是一支得到市場廣泛認可的常用型處理劑。


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