Mazac

From The Brighton Toy and Model Index
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ZAMAK (also Zamak, Zamac) refers to a family of zinc-based alloys designed for casting. Zamak is mostly Zinc (), typically around 4% Aluminium and also contains small quantities of Magnesium and Copper (sometimes the copper content is higher, depending on the formulation). Zamak is usually supplied to manufacturers in ingot form, and alloyed using Zinc supplied by the New Jersey Zinc Company, refluxed to 99.99% purity.

The Zamak formulations are designed to avoid the problems with Zinc pest that can otherwise plague zinc diecasting.

MAZAK (also Mazak, Mazac) was a UK-specific version of the formulation made using locally-produced 99.5%-pure zinc.

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