| 项 目 Item\ 牌 号 Brand | 刚玉容器、管材、球类Corundum Container,tube and ball
 | 砖块、马蹄形管、匣钵类Brick,U-shaped tube Sagger and etc
 | 
| 纯刚玉Pure Corundum
 | 钛刚玉Titanium corundum
 | 铬刚玉Chrome corundum
 | 锆刚玉Zirconia-corundum
 | 热电偶管Thermocouple Pipe
 | 刚玉球Corundum ball
 | 纯刚玉砖Pure Corundum brick
 | 钛刚玉砖Titanium corundum brick
 | 异型制品Special shape products
 | 马蹄管U-shaped tube
 | 
| Al2O3 % | ≥98.5 | ≥97.0 | ≥97.0 | 80-65 | ≥98.5 | ≥98.5 | ≥98.5 | ≥97.0 | 90-98.5 | ≥98.0 | 
| SiO2 % | ≤0.5 | ≤0.5 | ≤0.5 |  | ≤0.5 | ≤0.5 | ≤0.4 | ≤0.5 |  | ≤0.4 | 
| Fe2O3 % | ≤0.3 | ≤0.4 | ≤0.5 |  | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.4 |  | ≤0.3 | 
| TiO2 % |  | ≤0.8 | ≤0.8 |  |  |  |  |  |  |  | 
| Cr2O3 % |  |  | ≥1.2 |  |  |  |  |  |  |  | 
| ZrO2 % |  |  |  | 16-35 |  |  |  |  |  |  | 
| K2O % | ≤0.2 | ≤0.3 | ≤0.3 |  | ≤0.2 | ≤0.2 |  |  |  |  | 
| 其他杂质 % Impurity
 | ≤0.4 | ≤0.5 | ≤0.5 |  | ≤0.4 | ≤0.4 |  |  |  |  | 
| 体积密度 g/cm3 Bulk Density
 | ≥3.6 | ≥3.6 | ≥3.6 |  | ≥3.6 | ≥3.6 | ≥2.9 | ≥3.0 | ≥2.9 | ≥3.0 | 
| 显气孔率 % Apparent Porosity
 | ≤1 | ≤1 | ≤1 |  | ≤1 | ≤1 | 20-26 | 20-25 | 28 | 28 | 
| 常温耐压强度 Mpa Cold crushing strength
 | ≥200 | ≥200 | ≥200 |  | ≥200 | ≥200 | ≥30 | ≥35 | ≥25 |  | 
| 荷重软化温度 KD ℃ Refractoriness under Load
 | ≥1700 | ≥1700 | ≥1700 |  | ≥1700 | ≥1700 | ≥1700 | ≥1700 | ≥1700 | ≥1700 | 
| 热震稳定性,次(1100℃ 水冷) Thermal shock resistance(cycles)
 |  |  |  |  |  |  | ≥6 | ≥6 | ≥6 | ≥6 | 
| 用 途 Application
 | 用于冶金、化工、科研、军工、航天技术领域 | 用于化肥厂的裂解、转化炉、硬质合金生产等的各种高温窑炉炉衬材料 |