USG Ultracal 30 is a high-strength, low-absorption tooling gypsum cement formulated for accurate molds, models, and close-tolerance tooling.
50 lb bag — in-store pickup only. This product is not available for shipping.
Key Features
- High surface hardness and strength for demanding tooling applications
- Recommended where accuracy and surface hardness are important, including duplicator molds
- Very low expansion for a rapid-setting gypsum cement
- Suitable for splash-casting molds and models used with phenolic, polyester, and epoxy resins
- Set time: approximately 25–35 minutes after machine mixing
- Water requirement: 38 parts water by weight per 100 parts plaster
Storage
Store indoors in a dry, stable environment away from drafts. For best storage results, do not stack more than two pallets high.