Item

Test Condition

Unit&Symbol

Zirconia Ceramic

The main chemical ingredient

ZrO2: 95%

Y2O3: 5%

Bulk Density

g/cm3

6

Maximum Use Temperature

1300°C

Water absorption

%

0

ROHS Hardness

HRA

≥83

Compressive Strength

20° C

Kgf/cm2

25000

Fracture Toughness

Map.m3/2

6 - 8

Coefficient of

thermal expansion

/°C

9.5*10-6

Thermal Shock Resistance

Tc

°C

360

Volume Resistivity

20°C

Ω.cm20°C

> 10¹²