Carbon Silicon/Zirconia/Magnesia/Alumine Ceramic Foam Filter for Casting Industry

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Update time : 2016-09-26 17:51:13

Ceramic foam filter are made from high quality ceramic materials, whose main components are SiC, Al2O3, ZrO2 etc. With good properties and stable quality, ceramic foam filter are used as a filter media in various working conditions in casting system.
 
Advantages

1. Remarkably reduce the objection of impurity, sand inclusions, sand hole, slag eye, pore.
2. Improve the surface quality, machinability and mechanical property of the cast.
3. Reduce the fray of the cutting tools, increase the availability of the plate pattern.
4. Simplify the gating system, raise the qualified rate of the cast.
 
Characteristics

1. High void volume, precise dimension, high strength.
2. High refractoriness, good thermal shock resistance.
 
We can supply ceramic foam filters are as follows:

Al2O3 Based Ceramic Foam Filter is applied to purge and filter solution of molten aluminum and aluminium alloys and other non ferrous casting.

SiC Based Ceramic Foam Filter is applied to purge and filter solution of molten iron and iron alloys.

ZrO2 Based Ceramic Foam Filter is applied to purge and filter solution of molten steel and steel alloys.

MgO Based Ceramic Foam Filter is applied to purge and filter solution of magnesium and magnesium alloy.
 
Technical data


Items

Alumina CFF

Silicon carbide CFF

Zirconia CFF

Magnesia CFF

Main material

Al2O3

SiC

ZrO2

MgO

Chemical Composition (%)

Al2O3

≥80

≤25

≤15

-

SiC

≤5

≥70

≤5

-

ZrO2

-

-

≥70

-

Other

≤15

≤5

≤10

-

Bulk density (g/cm3)

0.35-0.55

0.45-0.65

1-1.5

0.5-0.7

Compressive strength (Mpa)

≥0.8

≥1.0

≥1.5

≥0.8

Thermal coefficient (W/ m·K)

0.20

0.45

0.30

0.20

Thermal shrinkage rate (%)

<0.3

<0.3

<0.3

<0.3

Max working temperature (°C)

≤1200

≤1500

≤1700

≤1100

Porosity (%)

80-90

80-90

80-90

80-90

Thermal shock resistance(1100-20°C)

>6 times

>6 times

>6 times

>6 times

Aperture (Pores Per Inch)

10-60

10-60

10-60

10-60

Application

non-ferrous,
aluminium and its alloys casting

Copper and alloy, iron and its alloys casting

steel and its alloys casting

Magnesium and its alloys casting

Available sizes

Length/ Width

40-584mm
(1.5″-23″)

40-584mm
(1.5″-23″)

40-200mm
(1.5″-8″)

40-200mm
(1.5″-8″)

Diameter

40-584mm
(1.5″-23″)

40-584mm
(1.5″-23″)

40-200mm
(1.5″-8″)

40-200mm
(1.5″-8″)

Thickness

≤50.8mm (2″)

≤50.8mm (2″)

≤50.8mm (2″)

≤50.8mm (2″)

Customized sizes and shapes are available.