About this pottery supply
Hydro-Stone® Gypsum Cement
Produces high-quality, indoor novelty and statuary castings that require extremely hard surfaces and superior reproduction of fine detail. Superior expansion vs. Hydrocal® A-11 or B-11 Gypsum Cements. *High water absorption resistance.
For Art & Statuary
One of the hardest and strongest Hydrocal® products, Hydro-Stone® Gypsum Cement is used in the fabrication of high-quality art novelty and statuary castings. Offering excellent paintability, Hydro-Stone® Gypsum Cement:
Can duplicate extremely fine details
Works well in plaster and most flexible moulding compounds
Is self-leveling, with low viscosity
Provides fast set time for quick mold turns
Product price and default-option availability verified from the live supply source at Aug 26, 2026, 5:16 p.m..