- Ventura extrawhite. - Extra-white gypsum for orthodontics, produced from stones selected to ensure an extra-white, homogeneous and compact model. - The origin and selection of the raw materials and their small particle size ensure an extra-white colour that stands out from other competing products. - Use proportion: 26 ml / 100 g. - Mixing time under vacuum: 30”. - Manual mixing: 1’. - Working time: 8’. - Setting time (Vicat): 10’. - Setting expansion (2h): 0,13%. - Compressive strength (48h): 34 MPa. - Extraction time: 45’. **For further product information, please contact Chat Support**