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BS EN 12373-4:1998

BS EN 12373-4:1998

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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

Available format(s)

Hardcopy , PDF

Withdrawn date

10-26-2018

Language(s)

English

Published date

04-30-2010

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Principle
3 Reagents
4 Test specimens
5 Procedure
6 Expression of results
7 Test report
Annex A (normative) - Interpretation of the
        results of the dye spot test

Comparison with chart of coloured spots of two dyes.

This Part of this European Standard specifies a method of estimating the loss of absorptive power of anodic oxidation coatings that have undergone a sealing treatment, by dye absorption after acid pretreatment. The method is suitable for use as a production control method and is applicable to anodic oxidation coatings which may be subjected to weathering or aggressive environments or where resistance to staining is important. The method is not applicable to those coatings: formed on alloys containing more than 2 % copper or 4 % silicon; sealed by the dichromate process; that have been given supplementary processing, for example oiling, waxing or lacquering; that are coloured in deep shades; that are less than 3 µm thick. The method is less appropriate where nickel or cobalt salts, or organic additives, have been added to the sealing bath.

Committee
STI/33
DevelopmentNote
Supersedes BS 6161-5(1982) and 96/123161 DC. (08/2005) Reviewed and Confirmed by BSI, May 2007. (04/2007)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Withdrawn
SupersededBy
Supersedes

Standards Relationship
UNE-EN 12373-4:1999 Identical
I.S. EN 12373-4:1999 Identical
NEN EN 12373-4 : 1998 Identical
NF EN 12373-4 : 1999 Identical
NS EN 12373-4 : 1998 Identical
EN 12373-4 : 1998 Identical
DIN EN 12373-4:1999-04 Identical
SN EN 12373-4 : 1999 Identical
UNI EN 12373-4 : 2000 Identical
NBN EN 12373-4 : 1999 Identical

BS 3987:1991 Specification for anodic oxidation coatings on wrought aluminium for external architectural applications

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Hardcopy - English
PDF - English
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