| Type |
Purity |
Thickness |
Deposit |
Applications |
Decorative 24kt |
99% purity |
.000002” - .000015” normal range of thickness |
Corrosion resistance, low
emmisivity, high IR reflectivity |
Rack and Barrel
Flash plate to preserve solderability on contacts and terminals
Costume jewelry
Ornaments and trophies |
Grade A neutral soft gold |
99.9% purity |
.000010” - .005” normal range of thickness |
Corrosion resistance in extreme environments, high frequency conductivity, low
emmisivity, high IR reflectivity |
Wire bonding
Thin electroforms
High energy applications
Reactor vessels |
Grade B or C hard acid gold |
99.7% purity |
.000002” - .0003” normal range of thickness |
Conductivity, high temperature corrosion resistance, long contact wear, inert in
most atmospheres
|
Heavy gold electroplate
Contacts
High end decorative items
Vermeil
High wear items |