WG55™ White Gold Filler WG55™ White Gold Premium Filler is formulated with ease-of-use in mind. Reduce cycle time and sandpaper use with WG55’s fast curing formula. Mixes and spreads extremely quickly — ultra smooth. With INVISIX™ Micro-Perfecting Surface Technology, this filler spreads easily and self-levels for reduced sanding and improved cycle times. Z-TEK™ Adhesion Booster maximizes bonds to bare steel, galvanized metals, and aluminum to save time and eliminates re-do's. Tack free, stain free, triple filtered, and vacuum processed to remove pinhole causing air pockets 19000 Yes - STYRENE