Specification for anodic oxidation coatings on wrought aluminium for external architectural applications

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

06-15-2001

Publisher

British Standards Institution

Committees responsible
Foreword
Specification
1 Scope
2 Definitions
3 Visual inspection after anodizing
4 Colour
5 Thickness
6 Sealing
7 Surface abrasion resistance
Appendices
A Guidance on information to be supplied
B Guidance on properties affecting coating performance
C Choice of aluminium for anodizing
D Handling and temporary protection during
transportation and installation
E Maintenance of anodized aluminium
F Surface texture
G Visual inspection after anodizing
H Colour
J Examples of average and local thickness requirements
K Sealing quality: production control methods
L Guidance on sampling
Figure
1 Measuring points

Requirements for colour (where appropriate), coating thickness, sealing quality and abrasion resistance for clear and coloured coatings. Also gives guidance on handling and temporary protection during transportation and installation, maintenance and sampling.

This British Standard specifies requirements for clear and coloured anodic oxidation coatings on wrought aluminium for external architectural applications. Guidance on the information to be supplied by the purchaser to the anodizer is given in Appendix A.

Guidance on properties affecting coating performance is given although reflectance and gloss are not specified (see Appendix B).

NOTE 1 The coatings consist mainly of aluminium oxide and are produced by an electrolytic oxidation process during which the aluminium acts as the anode.

NOTE 2 The composition of the aluminium is not specified but that used is assumed to be suitable for anodizing (see Appendix C).

NOTE 3 Temporary protection and maintenance of anodized aluminium after anodizing may be necessary (see Appendix D and Appendix E).

NOTE 4 The titles of the publications referred to in this standard are listed on the inside back cover.

Committee	STI/33
DevelopmentNote	Supersedes 00/121192 DC, 91/50611 DC and BS 3987(1974) (07/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
DocumentType	Standard
Pages	16
PublisherName	British Standards Institution
Status	Current

BS 6000:1972	Guide to the use of BS 6001, sampling procedures and tables for inspection by attributes
BS EN 12373-7:2002	Aluminium and aluminium alloys. Anodizing Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in phosphoric acid/chromic acid solution with prior acid treatment
BS EN 12373-5:1999	Aluminium and aluminium alloys. Anodizing Assessment of quality of sealed anodic oxidation coatings by measurement of admittance
BS 6161-18:1991	Methods of test for anodic oxidation coatings on aluminium and its alloys Determination of surface abrasion resistance
BS 6001-1:1991	Sampling procedures for inspection by attributes Specification for sampling plans indexed by acceptable quality level (AQL) for lot-by-lot inspection
BS EN 12373-10:1999	Aluminium and aluminium alloys. Anodizing Measurement of mean specific abrasion resistance of anodic oxidation coatings using an abrasive jet test apparatus
BS 4479-5:1990	Design of articles that are to be coated Recommendations for anodic oxidation coatings
BS 6002:1979	Specification for sampling procedures and charts for inspection by variables for percent defective
BS EN ISO 1463:2004	Metallic and oxide coatings. Measurement of coating thickness. Microscopical method
BS EN ISO 2360:2017	Non-conductive coatings on non-magnetic electrically conductive base metals. Measurement of coating thickness. Amplitude-sensitive eddy-current method
BS EN 12373-9:1999	Aluminium and aluminium alloys. Anodizing Measurement of wear resistance and wear index of anodic oxidation coatings using an abrasive wheel wear test apparatus
BS EN 12373-4:1998	Aluminium and aluminium alloys. Anodizing Estimation of loss of absorptive power of anodic oxidation coatings after sealing by dye spot test with prior acid treatment
BS EN 12373-8:1999	Aluminium and aluminium alloys. Anodizing Determination of the comparative fastness to ultra-violet light and heat of coloured anodic oxidation coatings

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BS 3987:1991

Specification for anodic oxidation coatings on wrought aluminium for external architectural applications

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