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  • Product Description
    • Commodity name: HY3218A Outdoor wrinkle finish agent
    • 型号: HY3218A
    • 应用性能: It is a sulfonic acid-based catalyst that creates strong shrinkage on the surface of polyurethane coatings, forming alligator cracks of various sizes.
    • 用法及用量: Add internally at 0.6–1%


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