Density after sintering

≥6.0g/cm³

CTE (25-500℃）

(10.5±0.5) x10^-6K^-1

Accelerated aging surface monoclinic phase content

<5%

Chemical solubility after sintering

<100μg/cm²

Radioactivity

<0.1Bq/g

Sintering temperature

1450℃

ZrO₂ + HfO₂ + Y₂O₃

>96.5%

Y₂O₃

5.8%-9.7%

Al₂O₃

<0.5%

Fe₂O₃

—

Er₂O₃

—

Other oxides

<0.5%