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Type IV Die Stone Gypsum Powder for High-Strength Dies. High Compressive Strength: Type 3 exceeds 20Mpa, Type 4 exceeds 35Mpa for durable dies. Fast Setting Time: Sets within 7-9 minutes for efficient dental mold processing. Multiple Color Options: Available in White, Red, Yellow, Blue, and Green. Customizable Packaging: Offers 1kg/bag, 25kg/bag, or customized package sizes. Long Service Life: Provides a reliable 2-year service life for dental applications.