Hi,
You need to apply a zincate pretreatment to the alumimun proir to plating a
layer of electrolus nickel. Then you can deposit the gold. Check out
http://www.shipley.com  EIF chemicals.

Any problems email me.

Regards,

Russell A Davies
Technical Sales Manager

Chestech Ltd
79 Somers Road, Rugby. Warwickshire. CV22 7DG
tel: 0044(0)1788 537535 fax: 0044(0)1788 535835

Mobile: 0044 (0)7966 253338

http://www.chestech.co.uk

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