Microstone Dental Stone Gypsum 33LB

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.

Physical Properties:

Water/Powder Ratio: 28 mL/100 g

Working Time: 5 - 7 minutes

Setting Time: 13 minutes

Setting Expansion: .12%

Compressive Strength, Wet (1 hour): 4,500 psi (31 MPa)

Compressive Strength, Dry (48 hrs.): 8,500 psi (59 MPa)