Surfboard Sanding Resin
Silmar® brand 250A Polyester Sanding Resin with Optical Brightener OB3. Silmar resins are the industry standard.
Sanding Resin is typically used for surfboard hot-coats and most ding repair. Gallon size includes Mekp hardener.
Silmar resins were developed, and still are manufactured in Hawthorne, California since 1961. Silmar is the undisputed, highest-quality resin available to the industry.