Silmar 250A is the standard Sanding surfboard resin used for the final coat on surfboards.This resin cures with a hard, nontacky surface, contains wax and Must be sanded before applying any additional coats.
When the catalyzed resin is applied as a final coat to the laminate coats of resin, the wax rises to the top, sealing off the air and allows the resin to cure to a hard finish, which can then be sanded, painted or gel-coated.
NOTE: Cannot be used on surfaces like metal, Plastic, redwood and/or close-grained woods like oak or cedar.
Catalyst sold separately CLICK HERE Catalyst mixing chart CLICK HERE
