Midas Rhodium, Black Rhodium, Palladium, Black Ruthenium Plating Sequence Chart

Whatever metal you are electroplating, follow this simple sequence guide for Midas® rhodium, black rhodium, palladium or black ruthenium plating solution for optimum adhesion and great results.

Last edited: 11/9/2018
Midas® Black Rhodium, Black Ruthenium and Palladium Plating Sequence Guide
To plate
onto:
Stainless Steel Lead alloys,
Nickel alloys
Steel, Brass Gold, Platinum and freshly plated Nickel surfaces
Step 1 Electroclean Electroclean Electroclean Electroclean
Step 2 Rinse
HCI dip*
Rinse,
Acid dip,
Rinse
Rinse,
Acid dip,
Rinse
Rinse,
Acid dip,
Rinse
Step 3 Stainless
Steel
Activator
Copper
Strike
Preplate
with
Nickel
Plate with
Rhodium,
Black
Rhodium
or Black Ruthenium
Step 4 Rinse,
Acid dip,
Rinse
Rinse,
Acid dip,
Rinse
Rinse,
Acid dip,
Rinse

Rinse,
Acid dip,
Rinse
Step 5 Preplate
with
Nickel
Preplate
with
Nickel
Plate with
Rhodium,
Black Rhodium or Black Ruthenium
 
Step 6 Rinse,
Acid dip,
Rinse
Rinse,
Acid dip,
Rinse  
Rinse,
Acid dip,
Rinse
 
Step 7 Plate with
Rhodium
Black
Rhodium
or Black Ruthenium
Plate with
Rhodium,
Black
Rhodium or Black Ruthenium
   
Step 8 Rinse,
Acid dip,
Rinse
Rinse,
Acid dip,
Rinse
   

* HCI dip is a 20% hydrochloric acid solution.