Drum 500lbs, S249A Surfboard Laminating Resin- This resin cures "water white" (clear) and is suitable for applications such as surfboards that require a clear coating or lamination. Resin cures with a tacky surface so that subsequent layers may be added without sanding. To cure without a tacky surface for finish or sanding coats add surface agent. Requires MEKP to cure. Ships Truck.