A super fine, bright white and creamy, specially formulated synthetic stone, recommended for master models and orthodontic study models • Low expansion and high compressive strength and edge stability • The exceptional strength allows it to be used as an excellent working model that is resistant to abrasion and fracture while producing smooth model surfaces • Minimal setting expansion providing precise, accurate reproduction of detail • It's additives produce a pure bright white product that is essential in orthodontics • Water to powder ratio: 27ml / 100g • Working time: 5-6 mins • Initial Set Time: 10-12 mins • Expansion rate: 0.12% after 2 hours • Compressive strength: 35 MPa after 1 hour and 65 MPa after 24 hours