鉻剛玉硬度與白剛玉近似，韌性比白剛玉高。用其制造的磨具**度好，磨加工光澤度高。適用于量具、機床主軸、儀表零件、螺紋工件及樣板模等精密磨削。
        Pink aluminum oxide, its hardness is close to, but toughness higher than that of WA. The abrasive tools made of it feature excellent durability and high processing cleanness, which are suitable for the precision grinding of the measuring tools, lathe main shafts, instruments and apparatus parts, threading work pieces and samplers, etc
 
 
Grit
low chromium
medium chromium
high chromium
Al2O3
Cr2O3
Na2O
Al2O3
Cr2O3
Na2O
Al2O3
Cr2O3
Na2O
 
F12~F80
≥98.50
0.2~0.45
≤0.50
≥98.50
0.45~1.00
≤0.50
≥97.40
1.00~2.00
≤0.55
 
F90~F150
≥98.50
≤0.55
≥98.20
≤0.60
≥97.00
≤0.60
 
F180~F220
≥98.00
≤0.60
≥97.80
≤0.70
≥96.50
≤0.70
 
             
適用范圍 : 量具，主軸 ;
粒度 : F24~（目） ;
材質 : 剛玉 ;
規格 : 一級 ;
種類 : 鉻剛玉 ;
型號 : 規格 ;
** : 海迪 ;