S3 Powder component, An easy to use, non-toxic, water-based opaque resin. Powder and liquid components are mixed in simple proportions as a gel coat, a laminating resin for use with fiber reinforcement, or as a putty. Permanent in both interior and exterior applications, it cuts, shapes and sands easily, and is compatible with virtually all tints, paints and finishes. Easy clean-up, and class “A’ fire rating. Use with liquid component. Accelerator, thickener, and separative are also available.