Chicago Plating, Inc.
(630)718-1600 Fax: (630)718-1690
P.O. Box 164 Naperville IL. 60566
Bill Crawford, President


MIL-P-35, AMS-QQ-35, ASTM A967


Passivation is the chemical removal of contamination on the surface of stainless steel. A common contaminate is steel from forming cutting or grinding operations. Depending on the type of stainless steel, it also may brighten the look of parts.