BS EN 13523-1:2024

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Coil coated metals. Test methods – Film thickness

Published By	Publication Date	Number of Pages
BSI	2024	14

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Categories: 17.040.20 - Properties of surfaces, BSI

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Description

This document specifies the procedures for determining the dry-film thickness of an organic coating on a metallic substrate (coil coating). Five appropriate methods are given in this document: a) magnetic induction; b) eddy current; c) micrometer; d) optical; e) ruggedized optical interference. The methods are applicable only to products with smooth and flat substrates, but the coating itself can be textured. In that case, for methods a) and b), the average of a series of readings will represent an average of the thickness of the organic coating, while method c) will give the maximum thickness, method d) can provide the minimum, maximum and average thickness, and e) will give the total thickness. Non-destructive continuous-web methods on measurement of dry-film thickness are only applicable on method a).

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PDF Pages	PDF Title
2	undefined
7	1 Scope 2 Normative references 3 Terms and definitions
8	4 Principle 4.1 Method A: Measurement on magnetic substrate – magnetic induction 4.2 Method B: Measurement on a non-magnetic substrate – eddy current 4.3 Method C: Measurement on all substrates – micrometer method 4.4 Method D: Measurement on all substrates – optical method 4.5 Method E: Measurement on all substrates – ruggedized optical interference (ROI) 5 Apparatus and materials 6 Sampling
9	7 Test panels 8 Procedure 8.1 Calibration 8.1.1 General 8.1.2 Calibration standards 8.2 Scale rating 8.3 Measurement 8.3.1 Ambient conditions 8.3.2 Number of measurements
10	8.3.3 Method A: Magnetic induction 8.3.4 Method B: Eddy current 8.3.5 Method C: Micrometer method
11	8.3.6 Method D: Optical method 8.3.7 Method E: Ruggedized optical interference (ROI)
12	9 Expression of results 10 Accuracy 11 Test report

Additional information

Status	Definitive
Pages	14
Publication Date	2024-05-09
ISBN	978 0 539 28017 3
Standard Number	BS EN 13523-1:2024
Title	Coil coated metals. Test methods – Film thickness
Identical National Standard Of	EN 13523-1
Replaces	BS EN 13523-1:2017
Descriptors	Aluminium alloys, Thickness, Coatings, Coils, Thickness measurement, Organic coatings, Rolled steels, Metals, Aluminium
Publisher	BSI
Committee	STI/21
ICS Codes	17.040.20 - Properties of surfaces

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BS EN 13523-1:2024

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