Engineered with industry-proven Graco components, Graco FRP Systems provide you with a solution that is technologically advanced, durable and long-lasting. Graco's superior ratio control results in a consistent cure, which translates into higher quality parts and end products in your plant. Graco Chopper/Wet-out Systems: Dispense polyester resin and vinyl ester chemicals Allow for infinite adjustment of the catalyst ratio - no tools required Offer reliable, highly accurate ratio control Provide high-efficiency performance at low spraying pressures Available in internal and external mix configurations Typical applications: Marine and watercraft Pool and spa Bathware Transportation Corrosion prevention Long-life Design Triple-lip spring-loaded seals and hardened cylinders, seats and valves provide long wear life Dual Upper Seals on Catalyst Pump Dual seal prevents leakage - any wepage past the primary seal is returned to the catalyst reservoir, not on the floor