Zero zinc. According to zinc alloy encyclopedia, 4- 1 belongs to alloy zinc. No.0 zinc is electrolytic zinc, and zinc alloy is an alloy of zinc and other elements. Zinc alloy is an alloy based on zinc and added with other elements such as aluminum, copper, magnesium, cadmium, lead and titanium. Zinc alloy has low melting point, good fluidity, easy welding, brazing and plastic processing, corrosion resistance in the atmosphere, and easy recycling and remelting of waste materials, but its creep strength is low and it is easy to cause dimensional changes due to natural aging. Prepared by melting, die casting or press working.