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 Ratio37 mL/100 gWorking Time7 - 9 minutesSetting Time14 minutesSetting Expansion0.20%Compressive Strength, Wet (1hr.)3,500 psi (25 MPa)Compressive Strength, Dry (48 hrs.)6,500 psi (45 MPa)