Shandong Gaoha Refractories Technology Co.,Ltd.

Description of product Name: Zirconia fiber board Ingredient: Yttria stabilizd Zirconia fiber Advantages: With certain strength and hardness Good heat preservation and insulating property Low thermal conductivity  ultra-high temperature stability can proess and change it’s bulk density Applications: Can use for thermal insulation materials of high-temperature industrial furnace, the liner of furnace for grown high temperature crystals,the protection of oxygen sensors or carbon sensors, nuclear fusion test Technical Data Ingredient ZrO2+HfO2 Y2O3 SiO2 Fe2O3 TiO2 Al2O3 CaO MgO Content(%) 85 15 0.06 0.02 0.01 0.01 0.02 0.01 Bulk density(g/cm³) 0.6 1.0 2.0 Porosity% 95 85 70 Fusing point℃ 2690 2690 2690 Compressive strength(Mpa) (Parallel to the direction of thickness) 4.52 9.52 19.52 Thermal expansivity (room temperature 1180℃) （perpendicular to the direction of thickness） 3.7x10-6 6.7x10-6 4.7x10-6 Linear Shrinkage （perpendicular to the direction of thickness）% 1650℃ 1h 0 0 0 1650℃ 24h 0.2 0.1 0.1 2000℃ 0.5h 2.0 2.0 1.0 thermal conductivity W/m.k (Parallel to the direction of thickness) 400℃ 0.05 0.08 0.10 1000℃ 0.08 0.12 0.12 1180℃ 0.10 0.13 0.14 1450℃ 0.12 0.15 0.17 1650℃ 0.18 0.20 0.22