Fiberglass/Evercoat
FE 603, MEKP, Liquid Hardener, 1.5 Fluid Ounce or 44 cc MEKP, Liquid Hardener is used as a catalyst / hardener for polyester fiberglass resin, polyester primers, or gelcoat finishes. Typical MEKP Liquid Hardener Mix Ratios: ...
FE 603