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% |
- |
- |
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