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Ceramic Foam Filter (Silicon Carbide, Alumina, Zirconia, Magnesia) Pdf download
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Ceramic Foam Filter (Silicon Carbide, Alumina, Zirconia, Magnesia)


Ceramic foam filter is just developed as a new type of molten metal filters to decrease casting flaw recently. It is made from high quality ceramic materials, whose main components are Al2O3, Sic, ZrO2, MgO etc. Ceramic Foam Filter has the characters of light weight, high mechanical strength, large specific surface areas, high porosity, excellent thermal shock resistance, chemical corrosion resistance and high temperature stability in molten metal. With the distributing pores net structure, they are able to increase the surface areas, and absorb the sinter, the liquid metal becomes more pure, waster quality problems such as sand pore and air pore are much less and the cast quality becomes much better.

Classification and Specifications:
*Alumina / Al2O3 Ceramic Foam Filter
It's mainly for filtration of aluminum and aluminum alloys in foundries
*Zirconia / ZrO2 Ceramic Foam Filter
It's used for molten all types of steels like unalloyed, low alloyed, stainless and high-alloyed as well as Nickel and Cobalt-based super-alloys
*Silicon Carbide/SiC Ceramic Foam Filter
It's mainly for filtration of cast iron (grey iron & ductile iron) and non-ferrous alloys
*MgO/Magnesia Ceramic Foam Filter

It's mainly for filtration of molten magnesium and its alloys



Advantages:
*High porosity
*Low loss of thermal shock
*High mechanical strength at normal and high temperature
*Large specific surface
*Good chemical stability
*Excellent filtering functions of screen
*Excellent filtering residua collection and absorption


Type

Alumina CFF

Silicon carbide CFF

Zirconia CFF

Magnesia CFF

Material

Al2O3

SiC

ZrO2

MgO

Applied temperature

≤1200celsius degree

≤1500celsius degree

≤1700celsius degree

≤1100celsius degree

Color

White

Grey black

Yellow

Yellow

Bulk Density

0.35~0.55g/cm3

0.45~0.65g/cm3

1~1.5g/cm3

0.5~0.7g/cm3

Bore Density

10~60PPI

10~60PPI

10~60PPI

10-60ppi

Porosity

80~90%

80~90%

80~90%

80-90%

Bending Strength

0.6Mpa

0.8Mpa

0.8-1.0Mpa

0.6Mpa

Compression Strength

≥0.8Mpa

≥1.0Mpa

≥1.5Mpa

≥0.8Mpa

Thermal Shock Resistance
(1100celsius degree ~ Room Temperature)

Not break after 6 times thermal shock testing

Application

Molten Aluminum

and Alloy

Molten Iron and Alloy

Molten Stainless Steel,

Alloy and other metal

in precision molding

Molten magnesium

and its alloys






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