用途：冶金、玻璃工業的高級耐火材料，特殊高鋁陶瓷和硅鋁合金原料。
規格：三氧化二鋁Al2O3 53-55%；二氧化硅SiO2 39-42%；三氧化二鐵Fe2O3 0.5%max；粒度 0－150mm 90%min
包裝：塑料編織袋，每袋凈重1000公斤

USES: As high quality refractory materials for refinery and glass industries as well as raw materials for special high alumina ceramics and silicon alumina alloys.
Specifications：Al2O3 53%-55％min;SiO2 39％-42％ min;Fe2O3 0.5％ max
Size：0-150mm占90％ min
Packing: In plastic woven bags of 1000kgs net each.