Loading... Please wait...Evercoat Liquid MEKP Hardener is designed to be used with Evercoat polyester fiberglass resin and other resins requiring a liquid hardener. This hardener works fast with any liquid hardening fiberglass resins used in metal, fiberglass, wood or masonry repairs. Use this catalyst according to the resin/gel coat label directions. (Plastic squeeze tube has graduated measure for mixing convenience)