Making your own blanks for imprinting in dye sublimation involves coating hard substrates. Once coated, the substrate will accept dye sublimation ink during a heating process. A soft substrate does not require a coating but has specific requirements for accepting sublimation ink under a heat press. The substrate must be polyester or a blend of synthetic materials. Purchase blanks ready to imprint or in bulk rolls for custom design.
Fill the paint sprayer with a clear polyester coating. Attach the sprayer to an air compressor to apply the coating to the selected substrate. Common substrates for use in the dye sublimation process are fiberglass re-enforced plastic (FRP), medium-density fiberboard (MDF), and ceramic tile. Since you are making your own blank, the substrate should be uncoated.
Spray one coat of the liquid polyester onto the surface of the substrate. Allow to completely dry before applying a second coat. Do not touch the coated substrate. Allow at least two hours for the coating to completely dry. Apply a second coat.
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