棕剛玉F砂化學(xué)成份GB/T2478-1996
CHEMICAL COMPOSITION OF BROWN ALUMINIUM OXIDE粒度范圍
Range of Grit Sizes化學(xué)成份%(按重量百分比)
Chemical Composition%(by weight)Al2O3TiO24#-120#94.50-97.001.50-3.80120#-200#≥93.501.50-3.80200#-320#≥92.501.50-3.80
棕剛玉F砂以優(yōu)質(zhì)研磨級鋁礬土熟料為原料混合鐵屑、無煙煤在電弧中經(jīng)兩千度以上高溫熔煉制成,經(jīng)自磨機粉碎 整形,磁選去鐵,篩分成多種粒度,其質(zhì)地致密、硬度高,粒形成球狀,適用于制造菱苦土、陶瓷、樹脂高固結(jié)磨具以及研磨、拋光、噴砂、精密鑄造等。