“Chem-film in action ⚡ But are you specifying it right?” Chemical conversion coating is one of the most common finishes on aluminum — but also one of the easiest to get wrong. From choosing the wrong class to expecting a cosmetic finish, small mistakes can slow down your project (and add rework 👀). Hit play to see chem-film in production, then check out this week’s Proto Tech Tip for the full breakdown. 🎥 Full episode out now on YouTube! #chemfilm #chemicalconversioncoating #protocase #manufac

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