Heat transfer mug without coating
Hi!
Sublimation Printing is the most common printing method on mugs. By theory, sublimation is offset printing from a transfer paper to your substrate (which is your mug). Mug Coating is important since the coat is composed of Polyurethane paint which is where the Sub-Inks adhere into. Without a Polyurethane coat, the Sub-Inks will not stick to the surface of the mugs. What you can do in order to print on non-coated mugs is to coat those mugs yourself using Polyurethane paints that you can buy at hardware stores. These are usually used in automotive painting and may cause you a bit for each can.
You have to remember though that Polyurethane paints dries longer than enamels and prolonged exposure to these types of paints is hazardous to your health.
It would still be best for you to look for pre-coated mugs to save on production time and, well, efforts.
And yes, I have tried the above tricks personally as I am also engaged in crafts business...
Hi Kenneth Hucke, I want to help you with your question, but I need more information from you. Can you please add details in the comment box? Need size and model of mug.
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