Createx Colors 4030 Intercoat & Mix Additive 16oz. Size 4030 Intercoat is a water-soluble, polyurethane clear. Use as a flow enhancer (mix additive) and non-catalyzed clear. Compatible with all Createx Colors paints. Improves flow, leveling and durability of the coating after air drying. Allows water-based paint to be applied in heavier coats without risk of cratering due to surface tension. Works as an adhesion promoter when added to any water-based paint to improve adhesion to plastics, models, resin kits, vinyl, rubber and most any substrate. Enhances durability of Createx Colors paint after air drying. 4030 creates an acrylic-urethane mixture that has significantly improved scratch resistance compared to air drying alone. Water-based. Meets ASTM D-4236. Proudly made in the U.S.A