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BS EN ISO 11997-3:2023

BS EN ISO 11997-3:2023

$142.49

Paints and varnishes. Determination of resistance to cyclic corrosion conditions – Testing of coating systems on materials and components in automotive construction

Published By Publication Date Number of Pages
BSI 2023 32
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This document specifies a method based on a cyclic corrosion test for testing the corrosion protection of automobiles using coating systems on aluminium, steel or galvanized steel. The test method uses corrosive conditions (temperature and humidity ramps and salt spray) to create realistic corrosion patterns. These corrosion patterns are typical for automobiles, and they are comparable in the case of sufficiently similar protective coating systems. In particular, the accelerated test investigates the delamination/corrosion creep that results from defined artificial damage to a coating. Investigations of surface and edge corrosion or investigations of adhesive specimens or components are also covered. This cyclic corrosion test is also suitable for testing corrosion in flanged areas or near gaps. This document was developed for the assessment of coated substrates (test specimens, bodywork and mounted parts) in the automotive industry. Other applications, such as components with unpainted metallic coatings, were not part of the scope of the standardization work. This document was originally developed for coating systems on aluminium, steel or galvanized steel but it can also be used for the assessment of the corrosion resistance of coating systems on other metals and their alloys.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
4 Principle
5 Apparatus and test equipment
12 6 Test specimen preparation
7 Procedure
7.1 Test conditions ā€“ Test procedure
15 7.2 Interruption of the test
7.3 Positioning of test specimens in the chamber
16 8 Method for evaluating chamber corrosivity
9 ā€‹Evaluation
10 Precision
17 11 Test report
18 Annex A (informative) Preparation and post-treatment of the mass-loss coupons
19 Annex B (normative) Climate data settings of the daily cycles
22 Annex C (informative) Sample of specified data for the programming of climate data
23 Annex D (informative) Details of interlaboratory testing
30 Annex E (informative) Additional information on the test specimen
31 Bibliography

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BS EN ISO 11997-3:2023
$142.49