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Hydrocal® B-11® Gypsum Cement

High-strength gypsum cement featuring a low setting expansion, high degree of plasticity and gradual setting action.



High-strength gypsum cement features a low setting expansion, high degree of plasticity and gradual setting action. Designed for producing original loft template models and die-sinking patterns by the splash-cast technique.

Main Features

Hydrocal® B-11® Gypsum Cementgypsum cement is a high-strength gypsum cement designed for tooling applications. The plaster is similar to Hydrocal® A-11® Gypsum Cement in setting expansion and accuracy, but not quite as strong. Hydrocal® B-11® Gypsum Cement:

  • Features a longer period of plasticity, enabling it to be used with templates to screed models directly from gypsum
  • Offers a low setting expansion, high degree of plasticity and gradual setting action
  • Sets 25-35 minutes after machine mixing
  • Requires 44 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

Data Sheets & Specifications

Data/Submittal Sheet (English) PDF 232.5 KB

Catalogs & Brochures

Brochure (English)

Installation & Technical Manuals

Installation Guide (English)

SDS, Certifications & Reports

SDS (English) PDF 155.9 KB
SDS (Spanish) PDF 158.7 KB
Certificates (English) PDF 150.7 KB

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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)
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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.

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  • Need help right away?

    Call our Technical Support team at 800-874-4968 (Monday-Friday, 7:30 am - 4 pm Central).