Technical

Index

Unit

HY-G

HY-A

HY-B

AL2O3+Zro2

%

80-82

78-80

76-78

Water absorption

%

5-7

6-8

7-9

Bending strength

MPa

60-70

50-60

40-50

Bulk density

g/cm3

2.7-2.9

2.55-2.7

2.5-2.6

Coefficient of thermal expansion

X10-6/℃

6.1-6.6

5.9-6.3

5.4-5.9

Thermal shock resistance

Very good

Very good

Very good

Maximum operating temperature

℃

1350

1300

1250

Color scheme

Red

Red

blue