Basic Physical Properties
Item
HN 850A
HN 920A
HN 960A
Chemical Composition
%
Al2O3 85.0
Al2O3 92.0
Al2O3 96.0
Specific Gravity
-
3.45
3.60
3.72
Water Absorption
%
0
0
0
Hardness
MOHS
9.0
9.0
9.0
Rockwell (HRa)
85
86
88
Compressive Strength(25°C)
kgf/?
19,500
22,000
21,000
Flexural Strength(25°C)
kgf/?
3,000
3,000
3,200
Tensile Strength(25°C)
kgf/?
1,500
2,000
2,000
Coef. of thermal...