When you are applying your chosen Subli Glaze product to any hard substrate with a smooth surface such as metal, glass, or acrylics, Subli Glaze Adhesion Promoter is first required to allow your chosen Subli Glaze product to bond effectively to the substrate. Used to allow your chosen Subli Glaze product to adhere to hard substrates with a smooth surface and prevent separation of coating and substrate after pressing. How to use: Ensure surface to be sprayed is clean, dry & free from grease. Apply liberally with a soft, clean cloth over the surface to ensure even coverage. Allow Subli Glaze Adhesion Promoter to bond with the surface for approximately 30 seconds before removing any excess with a clean cloth. When removing the excess, try to eliminate any grease or smudge marks if any are present. Subli Glaze is the only do-it-yourself sublimation coating solution designed to enable sublimation decoration on a wide range of surfaces, such as ceramic, wood, slate, and even stone. When you are applying your chosen Subli Glaze product to any hard substrate with a smooth surface such as metal, glass, or acrylics, Subli Glaze Adhesion Promoter is first required to allow your chosen Subli Glaz product to bond effectively to the substrate.