Item

YZ (ZrO2+Y2O3)

MZ (ZrO2+MgO)

Density(g/cc)

above 6.0

above 5.6

Load0.5KgHV1=9.807NVickers
Hardness(Gpa)

13.2

10.7

Bending  Strength(MPa)

1000

750

Compressive  Strength(Mpa)

5690

-

Fracture Toughness(MPa√M)

7.5

7.0

Coefficient of Thermal Expansion
[40~400℃] (x10-6)

10.5

10

Coefficient of Thermal Expansion
[40~800℃] (x10-6)

11.0

10.5

Thermal Conductivity [20℃] (℃)

3

3

Thermal Shock Resistance (℃)

250

450

Nireic Acid (Weught Loss mg/cm2/day)

0

-

Sulphuric Acid
(Weught Loss mg/cm2/day)

0.04

-

Caustic Soda
(Weught Loss mg/cm2/day)

0.08

-