NSZ-Calcia Stabilized Zirconia

Specification

NSZ for Steel Refractories

DESCRIPTION

NSZ- Calcia Stabilized Zirconia is a fused zirconia product. Through our special process, we produce dense, crack-free, volume-stable grains or powders which ensures maximized resistance to slag penetration and molten metals.

 

TYPICAL CHEMICAL COMPOSITION (%)

ZrO2

95.26%

 

CaO

3.82%

MgO

0.23%

TiO2

0.15%

SiO2

0.22%

Fe2O3

0.07%

Al2O3

0.36%

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PHYSICAL PROPERTIES

 

Density

5.75 g/cm3

Melting Point

~ 2700

Color

Yellow

Vikers Hardness

11.8 GPA

Stabilization

70-90%

Black Point (piece/100g)

<5

Thermal Expansion (1000)

0.70%

 

 

 

MAIN APPLICATIONS

  • Refractory Nozzles

  • Sliding Gates

  • Kiln Furniture

NSZ could be used to increase the density, thermal shock resistance, slag resistance of refractory. In addition, it could be used as coat- ing on ceramic moulds for investment casting.

 

PARTICAL SIZE DISTRIBUTION

Could be customized

 

PACKING TERM

25 KG/ Paper Bag