Product Description

Our factory produces fireclay brick, high alumina brick, ceramic fiber products, refractory castable, silica brick, insulating brick, paving brick and so on. The products can be made according with the customers' requirement. We can provide qualified goods, competitive price and excellent service. High Alumina Refractory Brick 1. Made of bauxite clinker combining some clay. 2. It's chenmical characteristic is neutral. 3. Good acid and alkaline erosion resistance. 4. Take place of clay brick and silica brick to prolong the life of equioments. 5. Mainly used in blast furnace, hot blast furnace, electric fuenace, steel bucket, cement furnace, glass furnace and chenmical furnace. regenerator, stopper and water gap. The index of High Alumina Refractory Brick: Item: LZ**5 LZ**0 LZ**5 LZ**5 LZ**5 LZ**8 Al2O3 % ≥*5 ≥*0 ≥*5 ≥*5 ≥*5 ≥*8 Apparent porosity % ≤*3 ≤*2 ≤*3 ≤*3 ≤*2 ≤*2 Cold crushing strength Mpa ≥*5 ≥*5 ≥*3.9 ≥*9 ≥*4.1 ≥*9.2 Refractoriness °c ≥***0 ≥***0 ≥***0 ≥***0 ≥***0 ≥***0 Refractoriness under loadin 0.2MPa ≥***0 ≥***0 ≥***0 ≥***0 ≥***0 ≥***0 Permanent linear change ***0°c×2h *0.4~0.1 *0.4~0.1 *0.4~*0.1 *0.4~0.1 *0.4~0.1 ***0°c×2h *0.4~0.1