Electrodeposited Gold on Metallic Surfaces	Mil-G-45204C
	Purity
Type I	99.7% Gold minimum
Type II	99.0% Gold minimum
Type III	99.9% Gold minimum
	Hardness
Grade A	Knoop hardness 90 Max.
Grade B	Knoop hardness 91-129
Grade C	Knoop hardness 130-200
Grade D	Knoop hardness 201+
	Thickness
Class 00	.00002 inch minimum
Class 0	.00003 inch minimum
Class 1	.00005 inch minimum
Class 2	.00010 inch minimum
Class 3	.00010 inch minimum
Class 4	.00030 inch minimum
Class 5	.00050 inch minimum
Class 6	.00150 inch minimum