Products
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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