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Ultracal® 30 Gypsum Cement

Traditional tooling gypsum cement, specially formulated for close tolerance tooling where extreme accuracy and surface hardness are required.

Key Documents & Design Files

Overview

Superior tooling gypsum cement features exceptional strength and hardness. Low-absorption, designed for use in case molds.

Main Features

Ultracal® 30 Gypsum Cementis a traditional tooling gypsum cement, specially formulated for close tolerance tooling. Low absorption Ultracal® 30 Gypsum Cement:

  • Is recommended where extreme accuracy and surface hardness are required (i.e. duplicator molds)
  • Provides the lowest expansion of any rapid-setting gypsum cement
  • Is ideal for splash-casting molds and models for phenolic, polyester and epoxy resins
  • Sets 25-35 minutes after machine mixing
  • Requires 38 parts water by weight per 100 parts plaster

NOTE - For best storage results, keep indoors in a dry, stable environment, away from drafts. Do not stack more than two pallets high.

Documents & Files

Submitall Sheets & Specifications

Data/Submittal Sheet (English) PDF 233.7 KB

Catalogs & Brochures

Brochure (English) PDF 613.4 KB

SDS, Certifications & Reports

SDS (English) PDF 119.0 KB

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Our customer support team will get back to you within 48 hours

Question Guidlines

  • Questions should relate to this product specifically.
  • For help with pricing, availability, or delivery, please call 800.874.4968 (Monday–Friday, 7am–6pm Central)
  • All questions and answers follow USG’s Terms & Conditions.
  • Your question and USG’s answer may be posted to this page in the future, but none of your personal info will be included.

q & a

  • Can I color/tint plaster casts?

    Yes. For uniform coloring, colorants can be added to the mix water and should be blended thoroughly. For varied color effects, colorants can be added to the slurry.

    Both mineral colorants and water dispersed colorants are compatible with our plaster products.

  • Have a question?

    Let us do research and get back to you (usually within 48 hours).

    Ask USG
  • Need help right away?

    Call our Technical Support team at 800-874-4968 (Monday-Friday, 7am-6pm Central).

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