A combination of epoxy resin with glass-flake and polyamide resin, has excellent physical properties such as adhesion, toughness and abrasion resistance, etc., and chemical resistance to salt water, fresh water, crude oil, alkalis and weak acids. It is suitable for protective coating of splash zones, underwater areas and tank interiors. A film thickness of over 500 microns can be built in one application by airless spray. Low VOC product.