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Light metals

Metals and alloys with densities below 4.5 g/cm³ (e.g. aluminium, magnesium and titanium) are generally referred to as light metals.

Aluminium Guss


is a silver coloured, lustrous light metal which is completely recyclable. 

Aluminium cans come from the drinks industry. Some cans – mainly imported ones – have steel lids or bases. (Switzerland: the official collection organisation for drink cans is IGORA).
Aluminium cans
Aluminium dross is a by-product of aluminium casting. The dross floats on the surface of the molten metal, together with impurities.
Cast aluminium
Cast aluminium is made hard and brittle by alloying additives.
Aluminium swarf is produced when aluminium parts are turned or milled.
Aluminium swarf
Aluminium overhead power lines can be all aluminium, or reinforced with steel or stainless steel wire strands.
Aluminium overhead power lines
Plain aluminium profiles are production waste – often from the windowindustry. Alloying with magnesium and silicon makes them tough and torsionally stiff.
Plain aluminium profiles
Old/coloured and/or anodised aluminium profiles are used products that often arise when windows are replaced.
Old/coloured and/or anodised aluminium profiles
New aluminium refers to plain sheet production waste. Some of this material is still covered with protective film.
New aluminium
Old aluminium refers to used products such as vacuum cleaner tubes and milk churns.
Old aluminium


is a light-grey light metal which is often used to alloy copper.



is a very light, silvery-white material which is highly inflammable. It is used as an alloying agent for metal castings and housings (diecasting and automotive industries). 



is used as an alloying metal for materials employed in the medical equipment, aerospace and other industries. It is corrosion resistant and highly rigid. 


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