Brand 

Properties

Series Zircon Brick

Dense zircon brick

Zircon  brick

Zirconium corundum brick

Zirconium mullite brick

Semi-zircon brick

ZrO2 %

≥65

≥60

≥30

≥18

15-20

Al2O3 %

-----

------

≥50

≥55

50-60

SiO2%

-----

≤38

≤18

≤25

≤20

Fe2O3 %

≤0.3

≤0.5

≤0.5

≤0.5

≤1.0

Bulk Density (g/cm³)

   ≥ 3.7

≥3.5

≥3.2

≥2.7

≥2.7

Cold Crushing Strength(MPa)

≥100

≥100

≥100

≥100

≥100

     Apparent Porosity (%)

≤18

≤22

≤20

≤17

≤20

Refractoriness under Load ℃(0.2MPa T2)

≥1650

≥1620

≥1650

≥1650

≥1550

 Main Applications

Used for the key parts of the furnace of glass furnace, glass fiber furnace, garbage incinerator furnace, electric heating  furnace...