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Hydrocal White Gypsum Cement, 50 lb. Bag
Upgrade your projects with USG Hydrocal White Gypsum Cement, a premium multi-purpose capping compound that outperforms standard plaster in both hardness and impact resistance. With twice the compressive strength of traditional plaster, Hydrocal White Gypsum Cement is the go-to choice for thin, delicate sections that demand high green strength and precision.
Key Features:
- Superior Strength: Achieves a compressive strength of 3,000 psi (20.7 MPa) just one hour after setting, and an impressive 6,000 psi (41.4 MPa) when fully dry.
- Extended Workability: Enjoy a longer working time compared to standard plasters, with a setting time of 25–35 minutes after machine mixing, giving you more control over your projects.
- Low Setting Expansion: Features a setting expansion twice that of molding and pottery plaster, reducing the risk of cracking or warping in finished pieces.
- ASTM C617 Compliant: Meets industry standards for capping compounds, ensuring consistent and reliable performance.
- Easy Mixing Ratio: Simply combine 45 parts water by weight per 100 parts cement for a smooth, workable consistency.
- Great Value: Offers an excellent balance of performance and affordability, making it a cost-effective choice for both professionals and hobbyists.
Ideal Uses: Hydrocal White Gypsum Cement is perfect for a wide range of applications, including casting, mold making, pottery, and art projects. Its high strength and durability make it particularly well-suited for producing detailed, intricate pieces that require a fine, smooth finish.
Specifications:
- Weight: 50 lb. bag
- Set Time: 25–35 minutes (machine mixed)
- Water-to-Plaster Ratio: 45:100
- Compressive Strength (1 hour after set): 3,000 psi (20.7 MPa)
- Compressive Strength (dry): 6,000 psi (41.4 MPa)
- Compliance: ASTM C617
