коричневый плавленого оксида алюминия абразивы для шлифовки колесо

Yilong High & New Materials Co.,Ltd. a leading manufacturer in china of Brown Fused Alumina. Our factory has four BFA smelting furnace,including three stationary furnace and one tilting furnace. We have three large Barmac granulating production line,Annual production of 60,000 tons of BFA abrasives and refractory raw material. We have an annual production capacity of 60,000MT, most of which are exported. Abrasives (Brown fused alumina) for grinding wheelNO.Grit sizeChemical composition %(by weight)Al2O3SiO2Fe2O3TiO2AF4#-80#≥95.00≤1.30≤0.302.0-3.290#-240#≥94.50≤1.50≤0.302.0-3.2240#-1500#90.5-94.5≤2.50≤0.302.5-4.0P4#-80#≥95.00≤1.30≤0.302.0-3.290#-240#≥94.50≤1.50≤0.302.0-3.2