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1. The initial state of zinc material, which is a coiled alloy of zinc, copper, and titanium, is called the natural zinc (silver-gray). This material is oxidized over a long time to turn blue-gray.
2. On the zinc material, the oxidization process creates a PATINA (oxidized coating layer). As this oxidizing process is not clean, many South Korean companies use blue-gray zinc, which is already oxidized.
3. Recently, zinc materials of various color, using dyes, etc., are being manufactured.
Beautiful, naturally created color
Easy for 3D forming and other processing
Goes well along with other materials due to the natural texture
Long life span (150 years)