AlphaFill Lightweight is a high quality, tack-free, lightweight putty with excellent adhesion to metal, galvanized metal, aluminum, fiberglass and wood. BPO catalyst is not included. Product features: Smooth texture offers great spreading, excellent featheredge and clog free sanding properties, great adhesion to corrosion treated metals, formulated for low exothermic. Product benefits: incredible user friendly, metal preparation does not require coarse grinding, preserving the factory corrosion protection. Preferred red dye catalyst: BPO.Information provided by ITW Performance Polymers. |