Monode Marking Products
 
Monode Electrolyte Chart
Recommended Electrolytes for Marking Metals and Alloys
 
Metals and AlloysElectrolytePowerMark
Aluminum and Aluminum Alloys other than shown below A-10 D.C. Black
MSC#1 or C-10 D.C. Clear
Allow a few seconds for color to develop before cleaning. Used on bright finished surface.
Aluminum Bronze, Aluminum Silicon Bronze, Phosphor Bronze B-10 D.C. Clear
A.C. Black
80-90 Copper, Iron, and Tin.
Bronze and Brass B-20 or B-10 D.C. Clear
A.C. Black
Electrolyte depends upon basic composition.
Carbides MSC-4, MSC-3, C-10 or C-30 A.C. Black
Cobalt Alloys - Stellite F-10 or F-30 D.C. Clear
A.C. Black
Sandblast surfaces should have light oil film before marking.
Copper and Alloys B-20 and B-10 D.C. Clear
A.C. Black
Black marks not always permanent.
Discaloy F-30 A.C. Black
Gold and Alloys F-10 or C-10 D.C. Clear
A.C. Black
Hastelloys* F-20 or F-10 A.C. Black
Inconel* MSC-4, F-10 or C-10 A.C. Black
Low Carbon and Mild Steel* F50, MSC#2, F-10 or F-20 A.C. Black
Vapor Blast or Sand Blast* MSC#2, MSC#1, F-10 or F-50 A.C. Black
Oil surface with light oil film before marking.
High Alloy and Tool Steel* MSC-4, MSC#1, or F-30 A.C. Black
Saw Steel* MSC#2, F-10 or F-20 A.C. Black
Stainless 300 and 400* MSC-4, MSC-7, MSC#1, MSC-14, MSC-120, F-50 or C-10 A.C. Black
D.C. Clear
Monel Metals, Nickel and Alloys* MSC-4, MSC#1 or C-10 D.C. Clear
A.C. Black
Tin and Alloys B-20 or F-20 A.C. Black
Titanium and Alloys T-10 A.C. (Dark)
Zinc and Alloys F-20 or B-10 A.C. Black
SUPPLEMENTAL COATING - ELECTROPLATE
Cadium on Steel F-10, F=20 or B-10 A.C. Black
Chrome - Hard MSC#1, MSC-14, MSC-120 A.C. Clear
D.C. Clear
No composite coating.
Chrome - Decorative MSC#1, MSC-14, MSC-120 D.C. Clear
A.C. Black
Copper on Steel B-10 or B-20 A.C. Black
Nickel (Electrolytic) MSC#7, MSC#1 or C-10 D.C. Clear
A.C. Black
Black mark not always possible.
Tin - Electroplate or hot dip MSC#5, F-20 or B-10 A.C. Black
Zinc - Electroplate or hot dip B-10 or F-20 A.C. Black
Chromated Cadmium and Zinc B-5, B-10 or GR-11 D.C. White
Black Oxide on Steel MSC#3, B-5 or GR-11 D.C. White

* C50 has a PH of 7.2 to 7.4 (non-corrosive)

NON-CHLORIDE ELECTROLYTES - The following electrolytes are furnished with just a trace of chlorides. On Special Order they will be prepared with Reagent Grade Chemicals and Distilled Water: B-10, T-10, MSC#3 and MSC#5.