SHENPAZ TECHNOLOGIES' Sintra sintering furnace is fully programmable and adaptable to all zirconium oxide materials on the market. Together with the conventional parameters, Sintra has two unique attributes: a degassing feature to keep the muffle clean from impurity and a negative temperature ramp feature for extra slow cooling. It has a maximum working temperature of 1,650°C/3,002°F, includes two firing crucibles and can sinter up to 80 units at once.