Dewdon - Zirconia Ceramic Foam Filters
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Zirconia (Zro2) Ceramic Foam Filters


Dewdon Zirconia Ceramics Filters are used in the filtration of Steel and Nickel/Cobalt based super alloy castings. Dewdon Zirconia Ceramic Filters offer resistance to high temperatures, while maintaining excellent erosion resistance.

The fine textures of the filters provide excellent filtration properties, giving the caster cleaner melts and reducing the need for grinding/machining. Our Advanced production techniques help to give the filters an even 3D lattice, resulting in a smooth, non-turbulent melt flow.

Products Specification

Features


Dimensionally accurate.

Wide range of filter sizes available.

Reduce the secondary inclusions and pores by adjusting the liquid metal flow rate.

Reduce the casting inclusion, reduces the casting scrap and welding rate.

Improves casting surface quality and mechanical properties

Product Specification


Porosity > 80 %
Pores distribution 10 - 30 PPI
Density 0.70 - 0.85 g/cm3
Operating temperature 1,700°C
Compressive strength > 1.5 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 250 mm and up to a thickness of 50 mm.

Dimensions [mm] Areas [cm2] Total flow Capacity [kg] Numbers
GS max.1.5 kg/cm2 GX max.2.2 kg/cm2 GJS max.4 kg/cm2 Cartons Pallets
Filter height 25 mm
40 x 40 16 24 35 64 720 30,240
50 x 50 25 37 55 100 480 20,160
60 x 60 36 54 79 144 320 13,440
70 x 70 49 73 108 196 240 10,080
75 x 75 56.25 84 124 225 168 7,056
80 x 80 64 96 141 256 160 6,720
90 x 90 81 121 178 324 138 5,796
100 x 100 100 150 220 400 116 4,872
125 x 125 156.25 234 344 625 60 2,520
∅ 50 19.63 29 43 79 480 20,160
∅ 70 38.47 58 85 154 240 10,080
∅ 75 44.16 66 97 177 168 7,056
∅ 90 63.59 95 140 254 138 5,796
∅ 100 78.5 118 173 314 116 4,872
Filter height 30 mm
100 x 100 100 150 220 400 96 4,032
125 x 125 156.25 234 344 625 60 2,520
150 x 150 225 337 495 900 48 2,016
175 x 175 306.25 459 677 1,225 25 1,050
∅ 100 78.5 118 173 314 96 4,032
∅ 125 122.66 184 270 491 60 2,520
∅ 150 176.63 265 389 707 48 2,016
∅ 175 240 360 528 960 25 1,050
Filter height 35 mm
200 x 200 400 600 880 1,600 20 840
∅ 200 314 471 691 1,256 20 840

Technical Details

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Application

Zirconia Ceramics Filters are used in the filtration of Steel and Nickel/Cobalt based super alloy castings.

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