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BS EN 4868:2019

BS EN 4868:2019

$102.76

Aerospace series. Anodic electrodeposition of hexavalent chromium free primer

Published By Publication Date Number of Pages
BSI 2019 22
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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 standard is to give design, quality and manufacturing requirements. It doesn’t give complete in-house process instructions; these shall be given in the processor detailed process instructions.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 1 Scope
2 Normative references
7 3 Terms and definitions
8 4 Purpose of process
4.1 General
4.2 Applicability
4.3 Limitations
5 Protection system classification
9 6 Process requirements
6.1 Information for the processor
6.2 Condition of parts prior to the treatment
6.3 Process conditions
6.3.1 Tooling
10 6.3.2 Masking
6.3.3 Surface pre-treatment
6.3.4 Anodic electrodeposition
6.3.5 Anodic electrodeposition post treatments
6.4 Water quality
6.5 Rework
11 7 Required characteristics
7.1 Visual aspect
7.2 Film thickness
7.3 Physical properties of the film
7.4 Corrosion performance of coated parts
7.4.1 Filiform corrosion
7.4.2 Corrosion resistance
7.5 Fatigue requirements and test methods
7.6 Fluid resistance
8 Quality requirements
8.1 Process approval
8.2 General points
12 8.3 Periodic tests
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
13 Annex A (normative)Engineering requirements
17 Annex B (normative)Tests methods
B.1 Tape adhesion test
B.1.1 Tape definition
B.1.2 Method
B.2 Curing inspection
B.2.1 Criteria
18 Annex C (normative)Parts acceptance inspections
19 Annex D (normative)Periodic tests requirements

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BS EN 4868:2019
$102.76