ISO Type 2
Developed specifically for orthodontic use, Orthodontic Plaster is harder and whiter than ordinary plaster. It has a long working time and trims easily. To provide an accurate and dense cast, finest results are obtained when mixed under vacuum. To produce a glossy surface, finished models may be treated with Model Glow model soap.
Water/Powder Ratio
37 mL/100 g powder
Working Time
7-9 Minutes
Setting Time
14 minutes
Setting Expansion
0.20%
Compressive Strength, Wet (1hr.)
3,500 psi (25 MPa)
Compressive Strength, Dry (48 hrs.)
6,500 psi (45 MPa)
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