Why is the aluminum leather black when touched by the hand, but the natural color of aluminum furnit

Updated on furniture 2024-06-24
1 answers
  1. Anonymous users2024-01-24

    This is because if the skin is green, the surface will be oxidized and turn black when touched by the hand. and aluminum furniture. Some processing has been done before going to court. It's oxidized, so it's no longer discolored.

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