AG47 Lightweight GRIP Filler Advanced resins help you achieve ultra-smooth flow and excellent wetting for a smoother surface. Save time and eliminate pinholes with INVISX Micro-Perfecting Surface Technology. Reduce cycle time and sandpaper use with AG47's non-loading, fast curing formula. Z-TEK Adhesion Booster maximizes GRIP to all metals, especially galvanized steel 17000 Yes - STYRENE