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BS EN 4868:2023 – TC

BS EN 4868:2023 – TC

$186.33

Tracked Changes. Aerospace series. Anodic electrodeposition of hexavalent chromium free primer

Published By Publication Date Number of Pages
BSI 2023 47
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This document defines the requirements for hexavalent chromium free anodic electrodeposition of organic coatings on aluminium and aluminium alloys for corrosion protection of parts. The purpose of this document is to give design, quality and manufacturing requirements. It does not give complete in-house process instructions; these are given in the processors detailed process instructions.

PDF Catalog

PDF Pages PDF Title
1 30482347
24 A-30436456
25 undefined
30 1 Scope
2 Normative references
31 3 Terms and definitions
3.1 General terms
32 3.2 Technical terms
4 Purpose of process
4.1 General
4.2 Applicability
33 4.3 Limitations
5 Protection system classification
6 Process requirements
6.1 Information for the processor
6.2 Condition of parts prior to the treatment
34 6.3 Process conditions
6.3.1 Tooling
6.3.2 Masking
6.3.3 Surface pre-treatment
6.3.4 Anodic electrodeposition
35 6.3.5 Anodic electrodeposition post-treatments
6.4 Water quality
6.5 Rework
7 Required characteristics
7.1 General
7.2 Visual appearance
7.3 Film thickness
7.4 Physical properties of the film
7.5 Corrosion performance of coated parts
7.5.1 Filiform corrosion
36 7.5.2 Corrosion resistance
7.6 Fatigue requirements and test methods
7.7 Fluid resistance
8 Quality requirements
8.1 Process approval
8.2 General points
8.3 Periodic tests
37 8.4 Periodic chemical analysis
8.5 Parts acceptance inspections
8.5.1 Inspections before treatment
8.5.2 Inspections during treatment
8.5.3 Inspections after anodic electrodeposition
38 Annex A (normative)Engineering requirements
41 Annex B (normative)Test methods
B.1 Tape adhesion test
B.1.1 Tape specification
B.1.2 Method
B.2 Curing inspection
B.2.1 General
B.2.2 Criteria
42 Annex C (normative)Parts acceptance inspections
43 Annex D (normative)Periodic tests requirements
44 Annex E (informative)Standard evolution form

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BS EN 4868:2023 - TC
$186.33