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 arenecessary.
Features:
Meets ASTM C617
High absorption resistance
Sets in 17-20 minutes, after machinemixing
Requires 32 parts water by weight per 100 partsplaster.
Can duplicate extremely finedetails
Is self-leveling, with lowviscosity
Provides fast settime
Compressive Strength, One Hour After Set 4000 psi (27.6MPa)
Compressive Strength, Dry 10,000 psi (68.9MPa)
50lb. bag
NOTE For best storage results, keep indoors in a dry, stable environment, away from drafts. Do not stack more than two palletshigh.