Brand

Specification

AM90

M85

M90

M95

Al2O3    ≥  %

15

-

-

-

-

CrO2     ≥   %

-

-

-

-

5

   MgO   ≥  %

75

85

90

95

90

   SiO2      ≥  %

2

-

3

3

-

Apparent porosity  ≤ %

15

14

8

7

12

Bulk density  g/cm3   ≥ %

2.90

2.95

2.95

3.05

3.00

Compressive strength (MPa) ≥%

60

60

50

50

80

High temperature bending

strength (MPa) (1400*0.5h) MPa ; ≥

6

7

8

12

12