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 g
Working Time5-7 minutes
Setting Time13 minutes
Setting Expansion.12%
Compressive Strength, Wet (1hr.)4,500 psi (31 MPa)
Compressive Strength, Dry (48 hrs.)8,500 psi (59 MPa)
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