Is Mil-DTL-5541 RoHS compliant?

Is Mil-DTL-5541 RoHS compliant?

MIL-DTL-5541 Military Specifications The previous version (MIL-C-5541) is obsolete and only allowed compositions with hexavalent chromate Cr(VI). The most current version (revision “F”) covers conversion coatings that are environmentally friendly and compliant with Reduction of Hazardous Materials (RoHS) initiatives.

What is MIL-DTL-5541F?

Military specification MIL-DTL-5541 (Chemical Conversion Coatings on Aluminum and Aluminum Alloys) applies to chemical conversion coatings formed by the reaction of chemical conversion materials within the surfaces of aluminum and aluminum alloys.

Is Mil C 5541 the same as MIL-DTL-5541?

The current specification (2009) is MIL-DTL-5541F, which superseded MIL-C-5541E in July 2006. The specification is approved for use by all departments and agencies of the United States Department of Defense (DoD).

Is gold alodine RoHS compliant?

The gold chromate conversion (aka “Alodine”) finish, as specified on sheet metal enclosures, does not comply with RoHS due to the presence of hexavalent chromium (Note: the hexavalent chromium imparts the ‘gold pigment’ to this finish).

Is Mil C 5541 still active?

Janiece, if the NADCAP folks insist on playing specsmanship games, they should know that Mil-C-5541E is a correct, current, and active document for chemical conversion coating on aluminum and aluminum alloys.

What is the difference between anodized and chem film?

The primary difference between Alodine (chem film) and anodizing is that anodizing is an electrolytic process and Alodine (chem film) is not. Alodine (chem film) and anodizing are both processes used in aluminum finishing to improve corrosion resistance. Both transform the outer layer of the surface of the metal.

Is clear alodine RoHS compliant?

H&E Plating Canada offers ROHS compliant “clear” non chromium conversion coating for your aluminum product. This chemical conversion process is available in both rack and barrel processing.

What is chem film coating?

Also known as chem film or chemfilm, Alodine® is a chromate conversion coating that protects aluminum and other metals from corrosion. Related products include Iridite®, TCP-HF, and Bonderite®. The process of applying a chromate conversion coating is referred to as chromating.

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