ASTM-B921 Historical Revision Information
Standard Specification for Non-hexavalent Chromium Conversion Coatings on Aluminum and Aluminum Alloys

ASTM-B921 - 2008 R23 EDITION - CURRENT
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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