粒度GritSize化学成份AL2O3NA2O真密度TrueDensity粒度形状ShapeofgrainF12-80≥98.5≥0.40≥3.90等积体F90-150≥98.00≥0.40F180-220≥98.00≥0.40F230-400≥97.50≥0.50F500-1200≥7.00≥0.60白刚玉是以优质的铝氧粉为原料，经电熔冶炼而成，它具有颜色洁白、硬度高、韧性稍低、纯度高、自锐性优、磨削力强、发热量小、效率高、耐酸碱腐蚀、耐高温、热稳定性好等特点，它不但是***的磨料磨具材料，且还是***研磨、抛光材料等，用它加工制成的磨具，还用于磨削高碳钢、高速钢及各种不锈钢。它还广泛用于精密铸造、钢铁耐火、化工耐火、95电瓷、装饰瓷等各种陶瓷及日常生活用瓷，以及***、电子等高科技行业。Whitefusedalumimumoxideiselectricallyfusedinthefurnancewithhigh-gradealuminapowderasrawmaterisls.Ithashigherhardnessandslightlylowertoughnessthanbrownfusedaluminiumoxide,characte-rizebyitshighpurity,stronggrindingability,Abrasivestoolsmadeofitaresuitableforgrindinghighspeedsteel,etc.Italsocanusedasmaterialsforgrindingandpolishingprecision-casting,sprayingandcoating,mediumbodyforchemicalindustry,specialceramicsandhigh-graderefractorymaterials,etc.)