for custom impression trays. Vertex Trayplast is a self polymerizing acrylic for individual impression trays. This acrylic can be polymerized in 10 minutes using a pressure vessel. Technical specifications: Dough time mix in a silicone bowl until a dough is reached Working time use directly Curing time 10 minutes at 55°C and 2.5 bar Mixing ratio by volume / parts by weight 1 ml / 0.95 g liquid (monomer)4.2 g powder (polymer)