WHITE ORCA Guard with wax is an ISO NPG HIGHEST GRADE, waxed, thixotropic, polyester gel coat designed for cosmetic concealment of small to large FRP parts at an ambient temperature.It is pre­ promoted for curing at room temperature with the addition of methyl ethyl ketone peroxide (MEKP) initiator. Orca Guard is designed to be used with both the spray-up and hand lay application technique and will surface cure. MEKP sold separatly. 3 MONTH SHELF LIFE.