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High-alumina brick


Zhengzhou Xinzhongke Industrial Group Co., Ltd. is a green, innovative, energy-saving, environmentally friendly, digital and intelligent new high-temperature thermal insulation material production base and is specialized in producing chrome corundum bricks, chrome zirconium corundum bricks, zircon bricks, fused and re-sintered corundum mullite bricks, sintered AZS bricks, sillimanite bricks, sintered mullite bricks, zirconium mullite bricks, high temperature alumina bubble bricks, clay insulation bricks, high alumina insulation bricks, mullite insulation bricks, corundum mullite lightweight bricks and other new products.

Detail


Standard brick specification: 230*114*65mm

Product advantages: high strength, high temperature resistance, low creep and high load softness.

Product introduction: The product is improved from the traditional high-alumina brick process, the refractoriness under load is higher than 60℃, with high strength, which is the best choice for high-temperature kilns. The company has its own R&D center, laboratory and automated production line.

Physical and chemical indicators

Project Indicators
65 75 80
Al2O3 ≥65 ≥75 ≥80
Volume density(g/cm3) ≥2.4 ≥2.6 ≥2.8
Apparent porosity(%) ≤23 ≤22 ≤21
Compressive strength under normal temperature(MPa) ≥55 ≥65 ≥75
Refractoriness under load(T0.6,℃) ≥1500 ≥1520 ≥1530
Permanent linear change on heating1500℃×2h(%) -0.5 -0.5 -0.5

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