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Very similar in appearance to cut vinyl, prime etching is a much more durable process. The surface of the powdercoated panel is etched with acid to provide a key and then a second colour is added to create the graphics. This is then baked to provide a very hard-wearing and permanent graphic display.
It is a more expensive process, particularly for one off or short run work, but the finished product does allow for the cleaning of graffiti. Once again the process is limited in the level of detail it can replicate and is restricted to solid colour infills only.
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