The Whip Mix Infinity ZR Sintering Furnace features the latest technology to give you many years of dependable service. With 30 programs and four stages, the Whip Mix Infinity ZR furnace has been designed to offer the user flexibility and consistently accurate sintering of zirconia materials. Working temperature: 1550°C (2822°F) 30 user-programable programs with up to 4 stages Thermal Web Technology reflects infrared heat for more even heating Delay start time up to 8 hours Up to 3 uniquely designed, lidded sintering trays can be stacked Up to 60 units sintered at a time