Polyester GP Resin is general purpose polyester resin. Contain wax. Amounts of MEKP to use denpens on your working time. You can slow it down for more work time or speeded up for less work time. But cannot add below 1/2 % or exceed 2% of MEKP. Must be mixed thoroughly for a minimum of 2 minutes. Work time is 15-25 minutes at approx 77 degrees Fahrenheit at 1.25%. Complete cure 45 minutes to 3 hours. Do not use below 65 degrees Fahrenheit. Can be brushed, rolled, or sprayed. RESIN Consumption: 2 parts resin, 1 part glass, by weight. Remove air with a Fiberglass Roller. Is not UV stabilized and should be coated with a gel coat with wax . Resin may be thin with styrene by adding no more than 10% by volume. FILLERS: ( Cab-O-Sil or Q-Cell ) may be add to make putty. PIGMENTS: can be added up to 4% by volume, for coloring. Clean up with acetone.