Spray paint aluminum sheet usually needs to be coated with three layers and two baked: spray aluminum sheet with three coats and two baking fingers: open three sets of spray guns when spraying, the first primer, the second color paint (fluorine or polyester paint), the second Three-coat protective finish (varnish), two-baked means that the aluminum plate passes through three coats and then goes through two baking. But now the spraying production line is basically: three layers and one baking, two coatings and one baking.
The surface of spray paint aluminum sheet is generally treated by fluorocarbon spraying after chromization and other pretreatments. Polyvinylidene fluoride resin (KANAR500) for fluorocarbon paint 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 cold and heat resistance, can resist strong ultraviolet radiation, and can maintain long-term no fading and no chalking ,long lasting.
Spray paint aluminum sheet is suitable for the decoration of various building interior and exterior walls, lobby facades, column decorations, elevated corridors, pedestrian bridges, elevator edging, balcony packaging, advertising signs, indoor special-shaped ceilings, etc. Building exterior walls, beams and columns, balconies, canopies, airports, stations, hospital conference halls, opera house stadiums reception halls and other high-rise buildings
