Hydro-Stone Gypsum Cement, 50lb. bag

Hydro-Stone Gypsum Cement, 50lb. bag

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Hydro-Stone Gypsum Cement, 50lb. bag

Hydro-Stone Gypsum Cement, 50lb. bag

Exceptionally strong gypsum cement is a multi-purpose product used as a high strength alternative to sulfur capping compound. Superior expansion vs. Hydrocal® A-11 or B-11 gypsum cements. Hydro-Stone® Gypsum Cement is especially suitable where high strength and resistance to water absorption are necessary.


  • Meets ASTM C617
  • High absorption resistance
  • Sets in 17-20 minutes, after machine mixing
  • Requires 32 parts water by weight per 100 parts plaster.
  • Can duplicate extremely fine details
  • Is self-leveling, with low viscosity
  • Provides fast set time
  • Compressive Strength, One Hour After Set 4000 psi (27.6 MPa)
  • Compressive Strength, Dry 10,000 psi (68.9 MPa)
  • 50lb. bag

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

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