Mainly used for glass furance, carbon black furance, non-ferrous smelting furance,  incinerator, chemical furance, waste acid treatment furance, as well as steel reheating furance skid rail, platform blocks.

项目 Item	铬15刚玉砖 15 Chrome- Corundum Brick	铬10刚玉砖 10 Chrome-Corundum Brick	铬5刚玉砖 5 Chrome-Corundum Brick	耐磨滑轨砖 Wear Resistance Skid Rail	铝铬锆砖 Zr-Cr-Corundum Brick
Cr2O3(%)	≥15	≥10	≥5	≥5	≥8
Al2O3(%)	≥75	≥80	≥85	≥85	≥60
ZrO2 (%)	_	_	_	_	≥15
显气孔率(%) Apparent Porosity	≤18	≤18	≤18	≤16	≤18
体积密度(g/cm3) Bulk Density	≥3.35	≥3.3	≥3.2	≥3.2	≥2.9
常温耐压强度(Mpa) Cold Crushing Strength	≥120	≥120	≥120	≥130	≥90
荷重软化开始温度(℃) (0.2Mpa,0.6%) Refractoriness under Load	≥1700	≥1700	≥1700	≥1700	≥1700
典型应用 Typical Application	铬刚玉砖主要用于玻璃窑，炭黑炉，有色冶炼炉，垃圾焚烧炉，废酸处理炉，化工工业炉的内衬以及轧钢加热炉的滑道，出钢平台砖。 Mainly used for glass furance, carbon black furance, non-ferrous smelting furance,  incinerator, chemical furance, waste acid treatment furance, as well as steel reheating furance skid rail, platform blocks.