Item

CA50

Chemical Composition (%)

Al₂O₃   

≥50

SiO₂    

≤9.0

Fe₂O₃   

≤2.5

R₂O   

≤0.4

Specific Surface Area(m²/kg)

≥300

Density (g/cm³)

3.1

Setting time  (min)

Initial setting

≥50

Final setting

≤360

Rupture strength (MPa)

1 day

≥6

3 days

≥7

Compressive strength (MPa)

1 day

≥45

3 days

≥55