Index

Code

Al2 O3 ≥

Fe2 O3≤

Refractoriness

≥

Linear change rate ≥

Cold modulus of rupture

and bonding strength ≥

Bonding time

Grain

1450°CX3h

1500°CX3h

1600°CX3h

Drying at

110°C

Sintered at

1400°CX3h

Unit

%

°C

%

M Pa

Minutes

mm

MM-65

64

1.2

1770

+1 / -4

1.0

   4.0

   1-3

0.3-0

MM-70

68

1.0

1790

+1 / -4

1.0

   6.0

   1-3

0.2-0

MM-80

78

0.8

1850

+1 / -4

1.0

4.0

   1-3