GOLD PLATING

摘要

All types of gold and gold alloy electroplates are used for many different applications by many different industries; however, there are eight general classes that may be listed that include much of present-day gold plating: Class A-Decorative 24K gold flash (2-4 millionths of an in.), rack and barrel. Class B-Decorative gold alloy (2-4 millionths of an in.), rack and barrel.