Plaster
In Grace Dental lab the plaster team created all kinds of plaster models , working in a highly methodical fashion using a high quality dental grade plaster. Product Specifications: Dental Plaster 1530 -Water/ Plaster Ratio: 48 ml/ 100 grams -Set Time – 18 – 23 minutes Maximum Expansion (%) – 0.30% -Consistency (mm) – 27 – 33 (Conepentrometer) – 1 Hr. Compressive Strength – 1,300 psi min. GENERAL MIXING INSTRUCTIONS: Plaster and water are always measured by weight. Using a plaster/water ratio outside the recommended use consistency guidelines will impact the set-time, strength and density of the finished piece. Sift plaster into water slowly and evenly Let soak for 2 – 4 minutes. This allows the gypsum crystals to wet-out, displacing trapped air Mix for 2 – 5 minutes