Dewdon - Aluminum Oxide Ceramic Foam Filters
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Aluminum Oxide (Al2O3) Ceramic Foam Filters


Aluminum oxide Ceramic form Filters are mainly used for filtration of aluminum and aluminum alloys in foundries and cast houses. It can effectively remove inclusions, reduce trapped gas and provide laminar flow when molten aluminum filtrated. Alumina Ceramic foam Filter is developed as a new type molten metal filters to decrease casting flaw in recent years.

Products Specification

Features


Foamed ceramics have the characters of lightweight.

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, these Filters are able to increase the surface areas, and absorb the sinter, the liquid metal becomes more pure, water quality problems such as sand pore and air pore are much less and the cast quality becomes much better.

It is constructed of impregnated foam in a controlled open-pore structure to provide a superior filtration effect.

We provide an efficient solution for the removal of oxides and non-metallic particles from a broad range of non-ferrous metals. Aa

Product Specification


Porosity > 80 - 90%
Pores distribution 10 - 50 PPI
Density 0.36 - 0.45 g/cm3
Operating temperature ≤ 1,150°C
Compressive strength > 1.2 MPa

Products Specification

The flow capacities may vary depending on customer’s process parameters and therefore the given values are recommendation only.

The above table is standard only. We can customize the sizes depends customer requirement from 35 to 500 mm and up to a thickness of 50 mm.

Dimensions [mm] Areas [cm2] Total flow Capacity [kg] Numbers
max. 1-2 kg/cm2 Cartons Pallets
35 x 35 12.25 12.24 1540 64,680
40 x 40 1.00 16 - 32 1360 57,120
50 x 50 25 25 - 50 880 36,960
55 x 55 30.25 30 - 60 600 25,200
60 x60 36 36 - 72 550 23,100
75 x 75 56.25 56 - 112 360 15,120
50 x 100 50 50 - 100 400 16,800
75 x 100 75 75 - 150 295 12,390
∅ 40 12.56 12.24 1360 57,120
∅ 50 1.00 19 - 38 840 36,960
∅ 60 28.26 28 - 56 550 23,100
∅ 75 44.16 44 - 88 360 15,120
Filter height 22 mm
35 x 35 12.25 12.24 990 41,580
35 x 50 1.00 17 - 34 790 33,180
40 x 40 16 16 - 32 900 37,800
50 x 50 25 25 - 50 600 25,200
50 x 75 37.5 37 - 74 390 16,380
50 x 100 50 50 - 100 280 11,760
55 x 55 30.25 30 - 60 390 16,380
60 x 60 36 36 - 72 400 16,800
75 x 75 56.25 56 - 112 220 9,240
75 x 100 75 75 - 150 190 7,980
100 x 100 100 100 - 200 150 6,300
100 x 125 125 125 - 250 120 5,040
100 x 150 150 150 - 300 90 3,780
125 x 125 156.25 156 - 312 70 2,940
∅ 40 12.56 12.24 900 37,800
∅ 50 1.00 20 - 40 600 25,200
∅ 60 28.26 28 - 56 400 16,800
∅ 70 38.47 38 - 76 300 12,600
∅ 75 44.16 44 - 88 220 9,240
∅ 80 50.24 50 - 100 230 9,660
∅ 90 63.59 64 - 128 170 7,140
∅ 100 78.5 78 - 156 150 6,300
∅ 125 122.66 122 - 244 70 2,940

Technical Details

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Application

Aluminum oxide Ceramic form Filters are mainly used for filtration of aluminum and aluminum alloys in foundries and cast houses.

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