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Corundum Brick

Corundum Brick

Product advantages: high strength, high temperature resistance, corrosion resistance, and good chemical stability.

產品描述

High-purity corundum bricks use tabular corundum and fused corundum as the main raw materials, through scientific and reasonable grading, with excellent performance additives, high-pressure molding, high-temperature sintering, and the refractory products are characterized by high strength and high temperature resistance. Corrosion resistance and good chemical stability.

理化指標

項目 高純剛玉磚

DL-99

剛玉莫來石磚DL-95 剛玉莫來石磚DL-90 剛玉莫來石磚DL-80
AI2O3% ≥ 99 95 90 80
SiO2 %≤ 0.3 3.0 9.0 18
Fe2O3%≤ 0.2 0.2 0.5 0.5
R2O% ≤ 0.3 0.6 0.6 0.4
堆積密度/(g/cm³) 3.0 2.9 2.85 2.7
常溫抗壓強度/Mpa≥ 75 100 100 60
耐火度℃ 1790 1790 1790 1790
荷重軟化開始溫度 0.2Mpa ℃≥ 1700 1700 1700 1650
再加熱線變化(1600℃×3h)% ≤ 0.2 0.2 0.2 0.3
熱穩定性次1100℃水冷≥ 6 10 10 20