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TPU素材上有油污用白電油清洗不干凈 TPU油污處理劑專家有秘笈
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2016/08/24

  現有一批TPU材質的手機護套真空電鍍后成品表面出現大量的油窩,還沒有噴油的工件表面殘留大量的油污,使用白電油浸泡過一段時間后擦拭干凈噴油,但油污不良問題還是沒有改善,對于油污不良該如何解決,這是噴涂行業上所關注的問題點。因此TPU油污處理劑專家針對性的給出了解決方案。


  素材上油污的由來:素材在注塑成形過程中為了改善脫模不良離型變形問題,都會在模具上噴上中性或油性的脫模劑(離型劑),這樣一來在產品上就混有脫模劑,就算噴涂前表面清潔也不能把脫模劑清理干凈,導致在上UV底漆后起油窩或不上油。


  TPU油污處理劑的解決方案:在素材與油漆的涂層中噴一涂膜厚約3-5UM的TPU油污處理劑即可進行下一道工藝,此產品的主要作用是遮蓋油污的同時提升附著效果,配方里除了有附著力的分子結構還含有一種去除油污的分子結構,兩種分子結構混合在一起噴涂在TPU素材上即可遮蓋油污又可提升附著,減少了工藝,節省了成本。


  TPU油污處理劑的優勢:不含鹵素,不含苯類,中性環保對人體環境無害,支持濕噴濕,表干的速度快,在沒有烤箱的條件下也可使用。


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