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Metal Finishing Services

The electroplated finish is often one of the most important components to the success of an electronic device. Products plated at General Metal Finishing have been found in high-reliability, mission-critical assemblies throughout the world for more than 40 years. Our experience enables us to help our customers solve challenging plating issues by bringing functional solutions and cost-saving opportunities to their most demanding problems.

Finishes Specs Description
Black Ebonol-C Mil-C-13924 Dull to semi-bright jet black finish
Applied to brass, copper alloys or copper plated parts
Can be coated with wax to protect from staining, water and
corrosion
Copper ASTM B-734
Mil-C-14550B
AMS 2418
Semi-bright to dull pink color
Solderable
Excellent conductivity
Used for corrosion barrier coat
Electropolishing Stainless steel electropolishing removes iron, nickel and non metallics from component surfaces leaving a smooth, bright surface. It is used extensively in the medical, industrial and semiconductor industries.
Gold ASTM B-488
Mil-G-45204C
AMS-2422
AMS-2425
Bright to dull gold color
Solderable / wire bondable
Excellent corrosion/tarnish resistance
Low/stable contact resistance
Soft to hard deposit
Miralloy™ (Copper/ Tin/Zinc Alloy) Semi-bright silver appearance
Conductive
Solderable
Comparable to albaloy, white bronze, sucoplate, Optalloy
Nickel (Electrolytic) ASTM B-689
AMS-QQ-N-290
AMS-2403J
Dull, semi-bright to bright finish
Good wear/corrosion resistance
Hard
Nickel (Electroless) Mil-C-26074E
ASTM B-733
Semi-bright stainless steel color
Excellent wear/corrosion resistance
Uniform coating thickness
Deposit can be hardened through heat treatment
Mid and high phosphorous deposits
Palladium ASTM B-679 Semi-bright white appearance
Low contact resistance
Solderable
Comparable properties to gold
Passivation QQ-P-35C Surface cleaning to improve corrosion
Resistance of stainless steel
Non-Chromate type only
Platinum GE-F70J-WB2 Dull silver-grey color as deposited
Resistant to oxidation and corrosion
Conductive / chemically stable
Silver ASTM B-700
QQ-S-365C
AMS 2410
AMS 2411
Matte, semi-bright to bright
Highly conductive
Solderable
Anti-tarnish coating available
Sulfamate Nickel ASTM B-689
AMS-QQ-N-290
Mil-P-27418
AMS-2403
Semi-bright grey appearance
Low stress deposit
Ductile
Solderable
Tin (Pure Matte/Bright) ASTM B-545
Mil-T-10727C
AMS-2408
Dull grey to bright white appearance
Excellent solderability
Low contact resistance
Protects against corrosion
Tin-Lead (90/10, 60/40) ASTM B-579
Mil P-81728A
Dull grey to bright white appearance
Excellent solderability
Inhibits tin whisker growth