Chicago Plating, Inc.
(630)718-1600 Fax: (
P.O. Box 164
Bill Crawford, President
QQ-P-416, ASTM B-488, AMS 2422, AMS 2425, Mil-G-45204
Gold is a soft dense metal used for electrical conductivity, non-reactivity and of course decorative beauty. The Mil-G-45204 specification has grades specifying 99.9%, 99.7% and 99.0% purity. The 99.9% gold is soft and does not stand up to abrasion as well as the less pure alloys.