Monel®400 Foil (Light Tight) is a nickel-copper alloy foil in 39 size variations. This foil provides moderate strength and hardness along with excellent corrosion resistance. Its properties make Monel® 400 Foil suitable for applications requiring formability and weldability such as chemical processing equipment, marine engineering and food processing. This foil is also light tight, blocking the passage of light for applications such as scientific instrumentation.