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The Future; There are always improvements to be made with the alloys we are using, for instance the Pd spring alloys need to be able to be produced to be a better match for yellow gold alloys. White gold alloys can and should be developed further to give better colour with economic benefits. Personally I always advocate using solid carat rated precious metals, meaning no plating. When a white colour is required using 18ct or higher yellow gold alloys, I believe platinum should be used if economically possible. Failing this a carat rated metal as white as can be obtained should be used. Current research to develop a near to 24ct gold capable of being wearable as jewellery is a challenging and exciting prospect. The resultant alloy will need to be able to be hand wrought as well as cast, as precious metal alloys that cannot be worked by traditional working methods have not had a successful history. Since the founding of Apecs Investment Castings in 1963 we have always formulated the alloys we use for casting. All are quite practical for wrought product. These include red, pink, white, and green, 9, 10, 14, 18, and 22ct gold carat rated alloys. But with regard to the colour of metals, there is no colour as beautiful as, 24 Carat, pure, fine, GOLD.
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