ASTM-B921 › Standard Specification for Non-hexavalent Chromium Conversion Coatings on Aluminum and Aluminum Alloys
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Scope
1.1 This specification covers the requirements relating to rinsed and non-rinsed non-hexavalent chromium conversion coatings on aluminum and aluminum alloys intended to give protection against corrosion and as a base for other coatings.
1.2 Aluminum and aluminum alloys are conversion coated in order to retard corrosion; as a base for organic films including paints, plastics, and adhesives; and as a protective coating having a low electrical contact impedance.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.
Keywords
conversion coating; non-hexavalent chromium conversion coating; non-rinsed; rinsed; ICS Number Code 77.120.10 (Aluminium and aluminium alloys)
To find similar documents by ASTM Volume:
02.05 (Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products)
To find similar documents by classification:
77.120.10 (Aluminium and aluminium alloys)
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Document Number
ASTM-B0921-08R23
Revision Level
2008 R23 EDITION
Status
Current
Modification Type
New
Publication Date
Nov. 7, 2023
Document Type
Specification
Page Count
3 pages
Committee Number
B08.07