How to remove rust on the security door

Updated on Security door 2024-06-21
2 answers
  1. Anonymous users2024-01-24

    1. The whole thing is to see what kind of door you are.

    If it is stainless steel, it can be scraped off directly.

    If it is an iron door, it needs to be sanded with sandpaper and repainted.

    Hope it helps.

  2. Anonymous users2024-01-23

    Security door process.

    Degreasing - washing - pickling - washing - phosphating - washing - hot water washing - painting.

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