Ultimate Black Backer is specially formulated for use with Spaz Stix Ultimate Mirror Chrome SZX10000! Backing mirror chrome with the Ultimate Black Backer protects and permits the full reflective properties of the chrome. Can also be used as a backer for the Spaz Stix Color Change paints. Apply Spaz Stix Ultimate Mirror Chrome according to instructions. Once dry, apply Ultimate Black Backer in thin coats. Paint will appear lightly colored at first and will build in intensity with additional coats. 1. Shake well for 1-2 minutes. 2. Spray at 15-20 psi Max. 3. Spray 2 or 3 light coats until you get a very thin film. 4. Allow at least 20 minutes dry time before any additional applications. 5. Always test on a scrap surface first. For best results, spray in temperatures between 60 - 80F.