Precious Metal Electroplating Coating 
  Common Plating Layers 
       
  Process         Substrate Layers  
  Gold Brass 1mm Cyanide Copper / 3-5mm  Acid Copper  /  1-3mm  Bronze /  
  Gold Strike  /  1-8mm  Karat Gold  /  0.2-1mm  Color Gold)  
Zinc Die 5-10mm  Cyanide Copper /  3-5mm  Acid Copper  /  1-3mm  Bronze /  
  Gold strike/1-8mm Karat gold  /  0.2-1mm  Color gold  
Stainless Steel Gold strike  / 1-8mm  Karat Gold  /  0.2-1mm  Color Gold  
  Rhodium  Brass 1mm  Cyanide Copper  /  3-5mm  Acid Copper / 1-3mm  Bronze  /  
   0.2mm  Palladium-Cobalt / or Gold Strike  /0.1mm Rhodium  
Zinc Die 5-10mm(Cyanide Copper)/ 3-5mm Acid Copper)/1-3mm Bronze  /  
   0.2mm Palladium-Cobalt  / or Gold Strike /  0.1mm  Rhodium  
  Silver Brass 1mm Cyanide Copper / 3-5mm Acid Copper / 1-3mm Bronze  
   0.2mm Palladium-Cobalt)/ or  old Strike /3-5mm Silver  
Zinc Die 5-10mm Cyanide copper  / 3-5mm Acid copper  /1-3mm  Bronze /  
   0.2mm  Palladium-cobalt)/ or Gold strike)/3-5mm Silver  
  Ruthenium Brass 1mm Cyanide copper / 3-5mm  Acid copper / 1-3mm Bronze  /  
   0.2mm  Palladium-Cobalt  / or Gold Strike /0.2mm Ruthenium   
Zinc Die 5-10mm  Cyanide Copper  / 3-5mm  Acid Copper / 1-3mm Bronze /  
   0.2mm Palladium-Cobalt / or Gold Strike / 0.2mm Ruthenium  
  IPG Brass  1mm Cyanide Copper / 3-5mm  Acid Copper / 1-3mm Bronze /  
   0.2mm Palladium-Cobalt  0.5-1mm  IP /~0.2mm Color Gold  
Zinc Die   5-10mm Cyanide Copper / 3-5mm  Acid Copper  / 1-3mm Bronze /  
   0.2mm Palladium-Cobalt 0.5-1mm IP  / ~0.2mm Color Gold  
Stainless steel 0.5-1mm  IP / ~0.2mm Color Gold  
  IPS Brass  1mm Cyanide Copper / 3-5mm  Acid Copper  /1-3mm  Bronze  /  
  0.2mm Palladium-Cobalt)0.5-1mm IPS  /    
  5-10mm Cyanide Copper / 3-5mm Acid Copper  /1-3mm Bronze/  
   0.2mm Palladium-Cobalt  0.5-1mm  IP G          
Stainless steel  0.5-1mm  IPS  /  
  White bronze   Brass 1mm Cyanide Copper / 3-5mm  Acid Copper / 1-2 White Bronze  
Zinc Die  5-10mm Cyanide Copper / 3-5mm  Acid Copper / 1-2 White Bronze  
  PNP                                Brass  1mm Cyanide Copper / 3-5mm  Acid Copper / 3-5mm Nickel  1-2mm PNP  
Zinc Die 5-10mm Cyanide Copper / 3-5mm  Acid Copper / 3-5mm Nickel  1-2mm PNP  
  Anodizing     Aluminum  Anodizing  
         
  Plate Gold on Copper Substrate Plate Gold on Zinc Die Plate Gold on Stainless Steel  
  Color Gold  Color Gold                        Color Gold       
  Karat Gold*                             Karat Gold Karat Gold        
  Gold Strike  Gold Strike   Gold Strike   
  Bronze Bronze    Stainless Steel      
  Acid Copper Acid Copper  Substrate     
  Cyanide Copper                                    Cyanide Copper
  Brass Substrate  Zinc Die Substrate         
   
*Optional - depends on thickness