thermal insulation bricks

thermal insulation bricksCeramic Package details Insulating boards Product features of thermal insulation bricks Excellent thermal insulation, energy saving, high compressive strength low thermal conductivity, low shrinkage, excellent resistance to wind erosion performance excellent high temperature performance, long service life application of thermal insulation bricks For the heating furnace, soaking pit, annealing furnace and other furnace working lining and insulation. It is a good new energy-saving environmental protection (type) refractory materials Specifications items index Ordinary TRB-1 Standard TRB-2 High-alumina TRB-3 zirconiumTRB-4 Classification(°C)) 1050 1150 1260 1400 Shrinkage(%) 800°C*24h≤-3 1000°C*24h≤-3 1200°C*24h≤-3 1350°C*24h≤-3 Theoretical thermal conductivity ( w/m.k)Hot side 400°C Hot side 800°C 0.060-0.085 0.0080-0.10 0.060-0.085 0.0080-0.10 0.060-0.085 0.0080-0.10 0.060-0.085 0.0080-0.10 Density Kg/m3 230-700 230-700 230-700 230-700 Compressive strength(MP) ≥0.4 ≥0.5 ≥0.6 ≥0.6 Al2O3% 38-44 43-46 48-55 39-40 Al2O3+SiO2 % 95-96 96-97 99 / Al2O3+SiO2+ZrO2 % / / / 99 ZrO2 % / / / 12-15 Fe2O3 % 1.2 1.0 0.2 0.2 Na2O+K2O % ≤0.5 ≤0.5 ≤0.2 ≤0.2 Specification mm As per customers demands Package Wooden box or carton