Hydrocal White Gypsum Cement

USG Hydrocal® is a multi purpose gypsum cement that offers twice the compressive strength of regular plaster. Is more porous than Ultracal 30.

• Ideal for both solid and hollow castings
• Offers long workability; setting expansion twice that of molding plaster and pottery plaster
• Has a great value to performance ratio
• Achieves a stark, white color, making it ideal for accepting colorants
• Sets 25-35 minutes after machine mixing
• Requires 45 parts water by weight per 100 parts plaster.