Item

GGZ-5

GGZ-12

GGZ-20

GGZ-30

Cr₂O₃ （%）min

5

122

20

30

Cr₂O₃ + Al₂O₃ (%) min

93

93

93

93

Apparent Porosity (%) max

18

18

18

18

Bulk Density (g/cm³) min

3.10

3.20

3.40

3.50

Cold Compress Strength (MPa)  min

100

100

100

100