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Wanhua CARFIL®9221 is a high-performance polyester polyol designed for industrial coatings, particularly for automotive refinish, general metal, and plastic applications. It offers excellent chemical resistance, outstanding weatherability, and superior mechanical properties when formulated with isocyanates. CARFIL®9221 enhances gloss, hardness, and adhesion, making it ideal for high-durability finishes. It is also compatible with various pigments and additives, allowing for flexible formulation. Its balanced reactivity and processing characteristics make it suitable for both spray and brush applications. This resin is especially favored in formulations requiring high-performance 2K polyurethane coatings with long-term exterior durability and resistance to UV and environmental factors.