NP-700 POLYESTER SPRAY FILLER – is an exceptional high-build polyester filler for filling large scratches, critical surface irregularities, and patching previously applied filler coats. Formulated with advanced thixotropic properties, this spray filler offers exceptional filling power, a short hardening time, and easy sanding, resulting in a flawless, smooth surface after curing and sanding. After application and sanding, NP-700 Polyester Spray Filler can be painted with most paint systems, including polyurethane, epoxy, and waterborne paints.