I Tested Poly Coating for Sublimation: My Honest Guide to Better Prints and Lasting Results
I’ve always found poly coating for sublimation to be one of those behind-the-scenes essentials that can make or break a finished product. If you’ve ever wondered how vibrant, long-lasting designs end up on mugs, tumblers, metal panels, or other specialty items, the answer often starts with this crucial surface treatment. It’s the coating that helps…
