Items

Unit

Index

Chemical

composition

Al₂O₃

%

43.00-47.00

ZrO₂

%

35.00-39.00

SiO₂

%

15.50-19.50

Bulk density

g/cm³

3.6 min

Apparent porosity

%

3.00 max

Phase

3Al₂O₃.2SiO₂

%

50-55

Indined ZrSiO₄

%

30-33

Corundum

%

5.00 max

Glass

%

5.00 max

Application: Refractory industry