Maybe try Neenah® Jet-Opaque™ heat transfer material. I think it's made mostly of cellulose instead of vinyl, and it is matte.
Not sure if you'll find a vinyl that is PVC free. I'm looking for the same in an adhesive vinyl, but it seems that PVC is a key ingredient in all vinyls. I want something biodegradable and durable, but those don't seem to coexist in adhesive "vinyl" films. Still searching...
Not sure if you'll find a vinyl that is PVC free. I'm looking for the same in an adhesive vinyl, but it seems that PVC is a key ingredient in all vinyls. I want something biodegradable and durable, but those don't seem to coexist in adhesive "vinyl" films. Still searching...