Tech: Henkel Alodine

Henkel Alodine


Henkel Alodine is a chemical treatment process used for aluminum to provide corrosion protection and enhance surface preparation for paint and adhesives. Here are some key details about different Alodine products:


               BONDERITE® M-CR 1200S AERO (ALODINE 1200S):

                               A brown, metal pre-treatment powdered chemical.

                               Produces a protective coating on aluminum, minimizing corrosion.

                               Improves paint adhesion.

                               The surfaces treated with it range in color from a light iridescent golden to tan.

                               Listed on Qualified Product List QPL-81706 for military specifications1.

               ALODINE 5200:

                               Chromium-free product specifically formulated for treating aluminum and its alloys.

                               Provides an excellent base for organic finishes2.

               ALODINE 1132 TOUCH-N-PREP:

                               A dry-in-place hex-chrome conversion coating pen for aerospace applications.

                               Offers excellent paint adhesion and corrosion resistance.


Alodine treatments play a crucial role in protecting aluminum surfaces. The above are common brand names associated with the alodine process; many people still refer to these by their brand names.


Yellow alodine treatment on aluminum
Yellow alodine treatment on aluminum.