zirconia bubble refractory brick

zirconia bubble refractory brick 1.Definition It is made of the bubble zirconia ball and fines as raw material, and mixed the as the resinbinding agent together, then formed by pressure vibrating forming machine, firing under the temperature of 1700°C to 1800°C. 2.Features:1).ISO 9001:2000 2).2200 centidrade working temperature 3).Strong resisting various acid and alkaline mediums corrodibility.4).Fine thermal shock stability. 5). Fine thermal insulating. 3.Properties ITEM No.:HXZBB-002 Properties ZrO2 and CaO % ≥98 SiO2 % ≤0.3 Fe2O3 % ≤0.2 working temperature ≥2200°C Bulk density ≥2.9-3.2cm3 cold crushing strength ≥10MPa Thermal expansion coefficient @1600°C ≤11% Thermal conductivity @100°C ≤0.8W/m*k 4. Application: Mainly used as insulating lining of the carbon black furnace of petro-chemical industry, gasifier, gas generation furnace. Also used in the working lines of high temperature furnaces in the ceramic, refractory industries.