Smooth mixing characteristics and ample setting time. This die stone produces a perfect model every time. Die trimming becomes a worry-free procedure due to the ultra-fine gypsum base, which prevents nicks and abrasions caused by brittleness. Recommended for use as crown and bridge or partial denture models. Suitable for use with all impression materials. Gypsum hardeners are not recommended. Color: Green Setting Time: 12-15 min Water/Powder Ratio: 22ml/100g Compressive Strength: 18,000 psi Expansion: 0.09%