Electrum specializes in the chemical conversion (Iridite) according to MIL-DTL-5541 standard. Applied by hanging or by barrel, chemical conversion offers good corrosion resistance; it also provides an excellent surface preparation prior to painting. It is clear or yellow, depending on the type chosen.
|Type I||Composition containing hexavalent chromium Class 1A & Class 3|
|Type II||Composition not containing hexavalent chromium (RoHS) Class 1A & Class 3|
|Classe 1A||Provides corrosion protection when the metal is unpainted or used to improve adhesion to a painted surface|
|Classe 3||Provides protection against corrosion, used in electrical and electronic applications where low resistance contacts are necessary|