KixKote Additives Kit – Core Additives (4-Pack) is the tight, pro-ready lineup to tune durability, feel, viscosity, and brush flow—so every coat lays cleaner and performs better. Includes Sticky Icky (Cross-Linking Binder) concentrate Brush Boost (Pro Brush Booster) Soft Feel (Fabric/Suede + Improved Hand on Leather) concentrate Thick Sauce (Thickener) Quick Highlights One of each additive in your chosen size (4 bottles total) Dial in durability, hand-feel, thickness, and brush control How To Use Choose the additive that matches your goal (binder, feel, thickness, brush flow). Add in small amounts, mix thoroughly, and test before going full production. Concentrates: Sticky Icky & Soft Feel mix at 3–5% (about 2–3 drops in an airbrush cup). Brush Boost: add 1–2 drops per 8–9 drops of paint for smoother brush work and better coverage. Times may vary with temperature, humidity, and application thickness.
