Sell CN ZS Refractory Fire(clay)bricks

Product Description                                         1. Product Details Refractory clay brick is made of flint clay and fire clay,used for coke oven,hot-blast oven,glass furnace. 2. Features and applications High quality refractory fire Clay bricks are used for steel & iron furnace has high refractoriness, good acid and alkali erosion resistance, high temperature strength, thermal shock stability , widely used in difference steel & iron furnace and chemical furnace also cement kiln. 3.Technical Data Item  General clay firebricks  Firebricks for blast furnace  Firebricks for hot-blast stove  Firebricks for pouring  Firebricks for the lining of temming ladle Firebricks for steel pouring  Low pore firebricks  Brand     N-2a     GN-42     RN-42    JZN-40    CN-40  SN-40  XN-40 KN-40 ZN-40     DN-40  Al2O3,  %    min     42      42     42      40       40     40     42  Fe2O3, % max  --     1.7      --      --       --      --     --  Refractoriness  (℃) min    1730    1750    1750     1710     1730     1710     1730  Refractoriness under load of 0.2Mpa(℃) min    1350    1430    1400     --     1400    1370 (SN-40, KN-40)     1390  Apparent porosity, % max      24      16      24     17-25       19  15-23 (SN-40)  22 (KN-40)  15-25(XN-40)  23(ZN-40)       15  Linear change on reburning, %     +0.1    -0.5  1400℃X 2h       0    -0.3  1450℃ X 2h       0    -0.4  1450℃X 2h  +0.1  -0.3  1350℃ X 2h       0    -0.3  1400℃ X 2h      0    -0.3  1350℃ X 2h    (XN-40)    +0.1    -0.3 1400℃ X 2h