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 |