Can polyester resin be used with Kevlar® cloth? Eric Boudreau April 21, 2021 20:47 Updated Kevlar® cloth does not have compatibility issues with polyester resins. Depending on the application, polyester resin lacks the high strength and stiffness properties that an epoxy product would have, though it is much more affordable than epoxy. Related articles How do I know if my boat is coated with paint or gelcoat? Should I use epoxy resin or polyester resin? Does polyester resin have UV stability? What is the cure time for TotalBoat Gelcoat without wax? Which spray gun nozzle size should I use to apply gelcoat? Comments 0 comments Please sign in to leave a comment.