Createx Additive SetCreatex Additive Set The Createx Additive Set is a must have for any artist or airbrush enthusiast. This set includes four 4 oz bottles of essential additives that will take your painting experience to the next level. Firstly, we have the 4030 Intercoat Clear. This non catalyzed, polyurethane, water based clear is designed for use as an inter coat and mixing direct to colors. It enhances the performance and coating integrity of your colors upon