THE ORIGINAL POLYESTER SANDING RESIN: Ding All Polyester Resin contains Silmar brand 250A Polyester Sanding Resin, which is the undisputed, highest-quality resin available to the industry. Sanding Resin is typically used for surfboard hot-coats and is widely popular for use with dings repairs 
CURES WITH A CATALYST: Each size of our Ding All Sanding resin comes with a liquid catalyst to make it cure. Average Cure time is: pliable gel in 6 to 10 minutes, hard & ready for sanding in 45 to 60 minutes @ 77 degrees F
SUPERIOR DING REPAIR PRODUCT: Ding All Sanding Resin is Ultra Clear, Non-Yellowing, and UV Stable with a Super Strong flex to weight ratio
ALLOWS EASY SANDING: This resin is non-tacky and dries smooth providing the user an easy surface to finish sanding. It Contains wax for easy sanding on hot coats and allows the application of layers by sanding in-between coats