ISO Type 3
MICROSTONE’s fine particle size and dense surface make it our finest general purpose laboratory stone. It is especially suited for processing acrylic dentures as it accepts tinfoil substitutes readily.
Water/Powder Ratio28 mL/100 gWorking Time5 - 7 minutesSetting Time13 minutesSetting Expansion0.12%Compressive Strength, Wet (1hr.)4,500 psi (31 MPa)Compressive Strength, Dry (48 hrs.)8,500 psi (59 MPa)