Safety when acid etching metal surfacesOne of the most difficult parts of the process when acid etching metal surfaces is safety. When working with acid in any form, always add the acid to water and NOT water to acid. Adding water to acid can cause a chemical reaction, which may produce a very rapid heat. This can, on occasion, cause an explosion of the solution.

Rules for acid etching metal surfaces

  • Make sure you work in a well ventilated area.
  • Wear rubber gloves to protect hands.
  • Mix the acid at least an hour before you start your etching, as Acid and water are slow to mix.
  • Never poor the acid solution down the drain

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