Al₂O₃: 50- 55 %, Fe₂O₃: 2.5 % max, SiO₂: 8 % max., CaO: 32 - 38 %, R₂O:0.4%max

Blaine:300 m2/kg min, initial setting time:>30min,final setting time:<6h,Flexural strength:3.0MPa(6h),6MPa(1d),7MPa(3d)

Compressive strength:20MPa(6h),45MPa(1d),55MPa(3d)

A700

Al₂O₃: 50 - 60 %, Fe₂O₃: 2.5 % max, SiO₂: 7 % max., CaO: 32 - 38 %, R₂O:0.4%max

Blaine:300 m2/kg min, initial setting time:>30min,final setting time:<6h,Flexural strength:3.0MPa(6h),6.5MPa(1d),7.5MPa(3d)

Compressive strength:20MPa(6h),50MPa(1d),60MPa(3d)

A900

Al₂O₃: 55%min, Fe₂O₃: 2.5% max, SiO₂: 6.5 % max., CaO: 32 - 38 %, R₂O:0.4%max