白刚玉是以优质氧化铝粉为原料,经电熔精制结晶而成。纯度高,自锐性好,耐酸碱腐蚀,耐高温,热性能稳定。其硬度略高于棕刚玉,适用于磨削高碳钢、高速钢、不锈钢等细粒磨料。
Metallurgical Chromite Sand For Steel Mill
China High Quality Chromite Sand
Cr2O3 46% foundry chromite sand for sale
Non-Ferrous Metal Industry Refractory Chromite Sand
South Afraic Chrome Iron Ore Sand For Casting