ZAMAK

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'ZAMAK' is a trademark covering a family of zinc alloys, the primary components of which are zinc, aluminium, magnesium and copper.
The most common ZAMAK alloy today is ZAMAK-3, but ZAMAK-2, ZAMAK-5 and ZAMAK-7 are all still being manufactured. These alloys are used extensively in die casting.
The New Jersey Zinc Company first developed the ZAMAK alloys in the 1929. The name ZAMAK is an acronym of the German names for the metals of which the alloys are composed: Z for Zink (zinc), A for Aluminium (aluminum), MA for magnesium and K for Kupfer (copper). It is also known as ZAMAC.
A great difficulty with early diecasting was zinc pest, owing to iron impurities. Zamak avoided this by the use of 99.99% pure zinc metal, produced by New Jersey's use of a refluxer as part of the smelting process.
One of the more familiar uses of ZAMAK is in making die-cast toys. It is also beginning to be used in automotive wheel balancing weights as a substitute for lead, especially in the European Union. ZAMAK is often called "pot metal" or "white metal".

Contents
Mazak
Other meanings
References
External links

Mazak


In the early 1930s Morris Ashby in Britain had licensed the New Jersey Zamak alloy. The high-purity refluxer zinc was not available in Britain and so they acquired the right to manufacture this alloy using a locally available electrolytically refined zinc of 99.95% purity. This was given the name 'Mazak', partly to distinguish it from Zamak and partly from the initials of Morris Ashby. In 1933 National Smelting licensed the refluxer patent with the intent of using it to produce 99.99% zinc in their plant at Avonmouth [1]

Other meanings


Zamak (замък) means a 'castle' in Bulgarian.

References


1.
A History of the Zinc Smelting Industry in Britain, , E.J., Cocks, Harrap, ,


External links



Eastern Alloys, Inc. Information Page

Umicore Zinc Alloys

GM Metal Le Vigeant
zamak is currently being used in the Hi-Point line of pistols as a slide material

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