の表面アルミニウムカーテンウォール is generally treated with pre-treatment such as chrome plating, and then treated with fluorocarbon spraying. Polyvinylidene fluoride resin (KANAR500) for fluorocarbon coating topcoat and varnish. Generally divided into two coatings, three coatings, or four coatings. Fluorocarbon coating has excellent corrosion resistance and weather resistance, can resist acid rain, salt spray, and various air pollutants, has excellent heat and cold resistance, can resist strong ultraviolet radiation, can maintain long-term color fastness and non powdering, and has a long service life.