Aluminum curtain wall metal material processing and spraying
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PVDF coating is the first choice of fluoropolymer coating for architectural application, which is called PVDF fluorocarbon coating for short. Its resin system usually contains 70% PVDF resin and 30% acrylic resin, and excellent weather resistant pigment is selected. It is the preferred surface coating product in metal building materials industry. Pvdfm carbon coating is mainly used in all kinds of aluminum building materials, including curtain wall, aluminum plate, aluminum profile, window, ceiling. The service life can reach more than 20 years. Before coating, the substrate must be pretreated by Sinochem. Generally, the construction process of two coating and one drying, three coating and one drying and four coating and two drying is adopted.
The application proves that PVDF fluorocarbon paint has excellent weather resistance, powdering resistance, fading resistance, embrittlement resistance and spalling resistance on the surface of external aluminum. Its long-term pollution resistance and chemical corrosion resistance can significantly reduce the maintenance and repair costs.
PVDF fluorocarbon coating has chemical properties and can stand out the color and luster degradation, acid rain and strong ultraviolet lamp harsh environment. The results of 10-year exposure test ensure its excellent durability, and aama2605 is the preferred performance standard
