Zirconia Ceramic Foam Filter By Baoding Ningxin New Material Co., Ltd.

Model Name: NX-ZCF
Zirconia ceramic foam filter for molten steel filtration
Application: For the filtration of molten steel and alloy, large scale iron casting
Product standard: China national GB/T 25139-2010

Zirconia Ceramic Foam Filter are determined for filtering of steel and steel alloys up to the temperature of 1700 C. Filters are recommended especially for high quality grades of alloys.
-Drop turbulent of molten steel and alloy
-Improve accepted rate of steel casting
-Reduce foreign matter of steel casting
-Drop twice oxide flaw
-Reduce second-face flaw after machine process

PHYSICAL PROPERTY
Main material: ZrO2
Applied Temperature: 1700 Centigrade
Color: Yellow
Hole density (PPI): 10/20/30PPI(PPI=pore per inch)
Porosity(%): 80-87
Bending strength(Mpa): 1.0
Compressive Strength(MPa): 1.75
Bulk Density(g/cm3): 0.7-0.85

DIMENSIONS
Length*width*height=(40-150)*(40-150)*(20-35)mm
With round, square and rectangle shape.
Size tolerance: 1mm
Pore size: 10/20/30PPI
PPI tolerance: 2PPI

CHEMICAL COMPOSITION
Al2O3 MGOSiO2 Fe2O3 ZrO2
1.8% 3.0% 0.5% 0.1% 94.00%

APPEARANCE REQUIREMENTS
-No cracking allowed across the full length of the edge
-Any fine cracks within the filter matrix may not be through-going
-Filters should be free from loose debris