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High purity

High purity - specialized solutions for electronics

Specialized solutions for electronics and technical applications

We are a global leader in high purity aluminium and offer the highest quality standards in close cooperation with our customers and offer them “made-to-measure” solutions to their individual requirements.

Key features

  • Efficient electrical conductivity
  • Extremely low impurity and trace element levels

Product details

  • Purity ranges from 99.99 to 99.9999 per cent (4N to 6N)
  • We use the 3-layer electrolysis as well as the segregation (fractional crystallization) technology to refine aluminium
  • By combining these technologies we can produce products with the desired characteristics required by the market
  • Kryal (99.999 – 99.9999 per cent) is sold unalloyed in the form of pigs, sheet ingots, small ingots or shapes according to customer specifications
  • Raffinal (99.99 – 99.998 per cent) is also produced in different shapes – sheet ingots, billets, ingots and pigs

For more detailed information on these products, reference the documents available for download below.

 

Application areas

  • Electrolytic capacitor foil 
  • Semiconductor industry
  • Plates for flat panel display industry
  • Sputtering targets
  • Bonding wire
  • Thin films
  • High purity alumina and powders
  • Electronic storage systems (memory discs) 
  • Bright finish and decorative use

Languages You can also read this product sheet in the following languages:

Deutsch Norsk Português

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High purity in the value chain

 

Bauxite
Alumina
Energy
Primary
Casting
Rolling
Extrusion
Products

Casting

Other metals are added to the molten aluminium to form various foundry alloys.

Molten aluminium is tapped from the pots and cast into logs, rolling slabs or ingots, depending on whether further processing is extruding, rolling or remelting. Small quantities of other metals can be added to the liquid aluminium to produce foundry alloys of different durability and tensile strengths.

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