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Kiln Furniture & Refractories Filter for Molten Aluminium

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Overview

Filter for Molten Aluminum

NGK molten aluminum filter removes foreign substances and other inclusions from molten aluminum in the production process for aluminum rolled products, functioning to improve the quality of aluminum beverage cans, foils, and other products.

Characteristics

Excellent filtration efficiency
Relative large inclusions are trapped on the filter surface (surface filtration), while smaller inclusions are trapped inside the filter (internal filtration). Internal filtration performance is proportional to the specific surface area inside the filter, and needle-like boric acid aluminum crystals increase the surface area of the WHITE FILTER by more than 200 times compared to conventional products.
Excellent corrsion resistance
The boric acid aluminum crystals in the WHITE FILTER' s bond has no reaction to molten aluminum. Consequently, the bond has no corrsion at all after long use.
Excellent properties at high temperature
The strength of the WHITE FILTER doesn' t drop until extream high temperatures because, the melting point of Boric acid aluminum is at 1400C or more. Also, as the thermal expansion of Boric acid aluminum is small, so is the thermal expansion of the WHITE FILTER small and the stress at high temp. is kept at a bare minimum.

Structure

Types of cartridges

  • 7-tube type
  • 8-tube type
  • 14-tube type
  • 18-tube type
  • 22-tube type
  • 28-tube type
Types of cartridges

NGK can supply plate type filter.

Chamber for filter cartridge

Each filter cartridge set has an appropriate chamber to suit. There are also single and double type chambers.

Chamber for filter cartridge
Chamber for filter cartridge

Comparison with conventional containers

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