One of the hardest and strongest of all gypsum cements, HYDRO-STONE® is recommended for producing high-quality novelty and statuary castings requiring extremely hard surfaces. This product is self-leveling when poured and not suitable for hollow cast applications. HYDRO-STONE® must be mechanically mixed for best results.

Physical Properties (Click here)
Use Consistency - 32
Dry Strength - 10,000 psi
Dry Impact Strength - 1,320

* For 10 or more pails, we may contact you to verify order information.