Premium Electrolytic Tin Plate Sheets & Coils for Food Cans, Aerosol Containers, and Paint Packaging Electrolytic Tin Plate (ETP) represents the pinnacle of packaging material technology, combining the strength of cold-rolled steel with the exceptional protective qualities of commercial pure tin. Our ETP sheets and coils feature precision electrolytic coating that provides superior corrosion resistance, making them ideal for demanding applications including food containers,