Foam Ceramic are mainly used for filtration of aluminium and
aluminium alloys in foundries and cast houses .With their excellent
thermal shock resistance and corrosion resistance from molten
aluminum,they can effectively eliminate inclusions, reduce
trapped gas and provide laminar flow, and then the filtered metal
is significantly cleaner.Cleaner metal results in higher-quality
castings, less scrap, and fewer inclusion defects, all of which
contribute to bottom-line profit. SIC Ceramic Foam
filters are just developed as a new type molten metal filter
to decrease casting flaw in recent years.With its characteristics
of light-weight, high mechanical strength, large specific surface
areas, high porosity, excellent thermal shock resistance,erode
resistance, high-performance,SIC Ceramic Foam filter is
designed for filtering impurities from molten Iron & Alloy, nodular
cast iron castings, grey iron castings and malleable castings,
Bronze casting, etc.Physical Properties for Silicon
Carbide
Ceramic Foam Filters:Working Temperature≤1540°CPorosity80~90%Compression Strength (Room Temperature)≥1.0MpaVolume Density0.3-0.5g/cm3Thermal Shock Resistance1200°C---room temperature 3 timesApplicationcast iron, cast copper, cast bronze, cast brasshigh temperature gas filter,chemical fillings and catalysis carrier etc. Chemical Composition for Silicon
Carbide
Ceramic Foam Filters:Al2O3SiCSiO2Fe2O3≤28.00%≥62.00%≤10.00%≤0.50% Silicon
Carbide
Ceramic Foam Filters regular sizes:Round shape40x11mm, 40x15mm, 50x15mm, 50x20mm, 60x22mm,70x22mm, 80x22mm , 90x22mm,100x22mm, 305x25mm Square shape40x40x11mm, 40x40x15mm, 50x50x22mm, 75x75x22mm, 50x75x22mm, 100x75x22mm, 100x100x22mm, 55x55x15mm, 150x150x22mmOther sizes can be customizedPhysical
&chemical properties for 3 kinds of ceramic foam
filter TypeCeramic Ceramic FilterMaterialAluminaSilicon
carbideZirconiaApplied temperature≤1200celsius degree≤1500celsius
degree≤1700celsius degreeColorWhiteGrey blackYellowBulk
Density0.35~0.55g/cm30.45~0.65g/cm31~1.5g/cm3Bore
Density10~60PPI10~60PPI10~60PPIPorosity80~90%80~90%80~90%Bending
Strength0.6Mpa0.8Mpa0.8-1.0MpaCompression
Strength≥0.8Mpa≥1.0Mpa≥1.5MpaThermal Shock ResistanceNot break
after 6 times thermal shock testingApplicationMolten Aluminum and
AlloyMolten Iron and AlloyMolten Stainless Steel, Alloy and other
metal in precision molding FUNCTION Ceramic foam is a new
industrial ceramic products with low bulk density (0.25 ~ 0.65)
g/cm3, high porosity (60% ~ 90%), andthree-dimensional reticulated
structure. As ceramic foam has excellent properties such like: high
temperature resistance, strongchemical corrosion resistance, and
large surface area as a result of high porosity, it is widely used
in molten metal filtrationto remove undesirable nonmetallic
inclusions in the melt./* January 22, 2024 19:08:37
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