Coil coated metals - Test methods - Part 1: Film thickness

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).

Bandbeschichtete Metalle - Prüfverfahren - Teil 1: Schichtdicke

Dieses Dokument legt die Verfahren zum Bestimmen der Trockenschichtdicke einer organischen Beschichtung auf einem metallischen Substrat (Bandbeschichtung) fest.
Fünf geeignete Verfahren werden in diesem Dokument angegeben:
a)   Magnetoinduktion;
b)   Wirbelstrom;
c)   Messschraube;
d)   optisch;
e)   robuste optische Interferenz.
Die Verfahren sind nur auf Produkte mit glatten und ebenen Substraten anwendbar, die Beschichtung selbst kann aber strukturiert sein. In diesem Fall stellt bei den Verfahren a) und b) der Mittelwert einer Reihe von Messungen einen Durchschnittswert der Dicke der organischen Beschichtung dar, während Verfahren c) die größte Schichtdicke ergibt, mit Verfahren d) die kleinste, größte und durchschnittliche Schichtdicke ermittelt werden kann und Verfahren e) die Gesamtdicke ergibt.
Nicht zerstörende Verfahren zum Messen der Trockenschichtdicke für Endlosbahnen sind nur bei Verfahren a) anwendbar.

Tôles prélaquées - Méthodes d’essai - Partie 1 : Épaisseur du feuil

Le présent document spécifie les méthodes de détermination de l’épaisseur de feuil sec d’un revêtement organique sur un subjectile métallique (prélaquage en bandes continues).
Cinq méthodes adaptées sont décrites dans le présent document :
a)   induction magnétique ;
b)   courants de Foucault ;
c)   micromètre ;
d)   optique ;
e)   interférences optiques renforcées (ROI).
Ces méthodes s’appliquent seulement aux produits qui comprennent des subjectiles lisses et plats, le revêtement lui même pouvant être texturé. Dans ce cas, pour les méthodes a) et b), la moyenne d’une série de lectures représentera une moyenne de l’épaisseur du revêtement organique, tandis que la méthode c) donnera l’épaisseur maximale, que la méthode d) peut fournir les épaisseurs minimales, maximales et moyennes, et que la technique e) fournira l’épaisseur totale.
Les méthodes non destructives sur toiles continues visant à déterminer l’épaisseur de feuil sec s’appliquent uniquement à la méthode a).

Prevlečene kovine, ki se navijajo - Preskusne metode - 1. del: Debelina premaza

Ta del skupine standardov EN 13523 določa postopke za ugotavljanje debeline suhega premaza organske prevleke na kovinski podlagi (prevlečene kovine, ki se navijajo).
V tem evropskem standardu so podane štiri ustrezne metode.
a)   magnetna indukcija;
b)   vrtinčni tok;
c)   mikrometer;
d)   optična metoda.
Metode se uporabljajo samo za proizvode z gladko in ravno podlago, medtem ko je lahko prevleka teksturirana. V tem primeru bo za metodi a) in b) povprečje niza odčitkov odražalo povprečno debelino organske prevleke, metoda c) bo podala največjo debelino, metoda d) pa bo podala najmanjšo, največjo in povprečno debelino.
Ta dokument ne obravnava neporušitvenih metod z neprekinjeno mrežo za merjenje debeline suhega premaza (glej standard EN ISO 2808).

General Information

Status
Published
Publication Date
23-Apr-2024
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
24-Apr-2024
Due Date
06-Aug-2025
Completion Date
24-Apr-2024

Relations

Overview

EN 13523-1:2024 - "Coil coated metals - Test methods - Part 1: Film thickness" is a CEN standard that specifies procedures for determining the dry-film thickness of organic coatings on metallic substrates (coil coating). The 2024 edition updates the 2017 version and adds ruggedized optical interference (ROI) as Method E. The standard covers five measurement principles and gives rules for calibration, sampling, measurement conditions and expression of results for smooth, flat substrates (the coating surface may be textured).

Keywords: EN 13523-1:2024, coil coated metals, film thickness, dry-film thickness measurement, coil coating test methods.

Key topics

  • Measurement methods (Clause 4)
    • Method A - Magnetic induction (magnetic substrates; non-destructive; only continuous-web non‑destructive continuous‑web methods applicable here)
    • Method B - Eddy current (non‑magnetic conductive substrates)
    • Method C - Micrometer (destructive removal / thickness by difference; all substrates)
    • Method D - Optical (microscopic sectioning; all substrates; can give min/max/avg)
    • Method E - Ruggedized Optical Interference (ROI) (non-contact, multi-layer, sub‑micron capability; all substrates)
  • Substrate/coating considerations
    • Methods apply only to smooth, flat substrates; coatings may be textured
    • For textured coatings: A/B give average (series of readings), C gives maximum, D can provide minimum/maximum/average, E gives total thickness
  • Calibration and traceability
    • Instruments must be calibrated against standards or foils/shims traceable to national standards; follow manufacturers’ calibration instructions
    • Calibration specifics account for substrate magnetic/conductive properties
  • Measurement conditions and sampling
    • Ambient and laboratory conditions referenced (for disputes: 23 ± 2 °C, RH 50 ± 5 % per EN 23270)
    • Minimum measurement counts: Methods A/B - ≥5 readings on smooth, ≥10 on textured; C/D - recommended ≥5; E - ≥3
  • Procedural elements: apparatus, sample preparation, removal of coating (solvent, abrasion) and test reporting

Applications and who uses it

EN 13523-1:2024 is used by:

  • Coil-coating manufacturers and production quality control teams for process monitoring
  • Independent testing laboratories and inspection bodies verifying coating specifications
  • Product developers and R&D teams measuring coating layer build and multilayer systems
  • Specifiers, purchasers and asset owners enforcing contractual film-thickness requirements

Practical uses include routine QC, acceptance testing, failure investigation, and verification of multilayer coatings using ROI.

Related standards

  • EN 13523-0:2021 - Coil coated metals - Part 0: General introduction
  • EN 23270 (ISO 3270) - Conditions for conditioning/testing (temperature & humidity)
  • EN ISO 3611 - Micrometers
  • ASTM D8331 - Ruggedized optical interference test method
  • Other EN 13523 series parts covering gloss, adhesion, weathering and durability tests

Use EN 13523-1:2024 when you need standardized, traceable methods for accurate dry-film thickness measurement on coil-coated metal products.

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Frequently Asked Questions

EN 13523-1:2024 is a standard published by the European Committee for Standardization (CEN). Its full title is "Coil coated metals - Test methods - Part 1: Film thickness". This standard covers: 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).

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).

EN 13523-1:2024 is classified under the following ICS (International Classification for Standards) categories: 17.040.20 - Properties of surfaces; 25.220.60 - Organic coatings. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 13523-1:2024 has the following relationships with other standards: It is inter standard links to EN 13523-1:2017. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

You can purchase EN 13523-1:2024 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.

Standards Content (Sample)


SLOVENSKI STANDARD
01-september-2024
Nadomešča:
SIST EN 13523-1:2017
Prevlečene kovine, ki se navijajo - Preskusne metode - 1. del: Debelina premaza
Coil coated metals - Test methods - Part 1: Film thickness
Bandbeschichtete Metalle - Prüfverfahren - Teil 1: Schichtdicke
Tôles prélaquées - Méthodes d'essai - Partie 1 : Épaisseur du revêtement
Ta slovenski standard je istoveten z: EN 13523-1:2024
ICS:
17.040.20 Lastnosti površin Properties of surfaces
25.220.60 Organske prevleke Organic coatings
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 13523-1
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2024
EUROPÄISCHE NORM
ICS 17.040.20; 25.220.60 Supersedes EN 13523-1:2017
English Version
Coil coated metals - Test methods - Part 1: Film thickness
Tôles prélaquées - Méthodes d'essai - Partie 1 : Bandbeschichtete Metalle - Prüfverfahren - Teil 1:
Épaisseur du feuil Schichtdicke
This European Standard was approved by CEN on 1 January 2024.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13523-1:2024 E
worldwide for CEN national Members.

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

European foreword
This document (EN 13523-1:2024) has been prepared by Technical Committee CEN/TC 139 “Paints and
varnishes”, the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by October 2024, and conflicting national standards shall
be withdrawn at the latest by October 2024.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 13523-1:2017.
a) ruggedized optical interference (ROI) has been added as method E;
b) the text has been editorially revised and the normative references have been updated.
The EN 13523 series, Coil coated metals — Test methods, consists of the following parts:
— Part 0: General introduction
— Part 1: Film thickness
— Part 2: Gloss
— Part 3: Colour difference and metamerism — Instrumental comparison
— Part 4: Pencil hardness
— Part 5: Resistance to rapid deformation (impact test)
— Part 6: Adhesion after indentation (cupping test)
— Part 7: Resistance to cracking on bending (T-bend test)
— Part 8: Resistance to salt spray (fog)
— Part 9: Resistance to water immersion
— Part 10: Resistance to fluorescent UV radiation and water condensation
— Part 11: Resistance to solvents (rubbing test)
— Part 12: Resistance to scratching
— Part 13: Resistance to accelerated ageing by the use of heat
— Part 14: Chalking (Helmen method)
— Part 16: Resistance to abrasion
— Part 17: Adhesion of strippable films
— Part 18: Resistance to staining
— Part 19: Panel design and method of atmospheric exposure testing
— Part 20: Foam adhesion
— Part 21: Evaluation of outdoor exposed panels
— Part 22: Colour difference — Visual comparison
— Part 23: Resistance to humid atmospheres containing sulfur dioxide
— Part 24: Resistance to blocking and pressure marking
— Part 25: Resistance to humidity
— Part 26: Resistance to condensation of water
— Part 27: Resistance to humid poultice (Cataplasm test)
— Part 29: Resistance to environmental soiling (Dirt pick-up and striping)
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the United
Kingdom.
1 Scope
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).
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 13523-0:2021, Coil coated metals - Test methods - Part 0: General introduction
EN 23270, Paints and varnishes and their raw materials - Temperatures and humidities for conditioning
and testing (ISO 3270)
EN ISO 3611,
...

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표준 문서 SIST EN 13523-1:2024는 금속 기판에 대한 유기 코팅의 건조 막 두께를 결정하는 절차를 명확히 규정하고 있습니다. 이 표준은 코일 코팅 분야에서 중요하며, 다양한 측정 방법을 통해 코팅의 품질과 특성을 평가하는 데에 필수적인 역할을 합니다. 이 문서에는 다섯 가지 적합한 측정 방법이 포함되어 있습니다: a) 자기 유도법, b) 에디 전류법, c) 마이크로미터, d) 광학법, e) 강인한 광학 간섭법. 이 방법들은 매끈하고 평평한 기판을 가진 제품에만 적용되지만, 코팅 자체가 텍스쳐링된 경우에도 유효합니다. 따라서 방법 a)와 b)는 여러 차례 측정을 평균하여 유기 코팅 두께의 평균값을 제공하며, 방법 c)는 최대 두께를 측정할 수 있습니다. 또한 방법 d)는 최소, 최대, 평균 두께를 계산할 수 있으며, 마지막으로 방법 e)는 전체 두께를 제공하는 기능을 갖추고 있습니다. 특히 비파괴 연속 웹 방식의 건조 필름 두께 측정은 방법 a)에서만 적용 가능하다는 점에서 신뢰성과 효율성을 강조할 수 있습니다. SIST EN 13523-1:2024 표준은 금속 코일 코팅 산업에서의 품질 보증, 적합성 평가, 그리고 신뢰성 높은 제품 생산을 위해 필수적으로 고려되어야 할 문서입니다. 이러한 이유로 이 표준은 현재와 미래의 코팅 기술 개발 및 산업 적용에 큰 의미가 있으며, 해당 분야의 전문가들에게 꼭 필요한 참고 문헌이라 할 수 있습니다.

SIST EN 13523-1:2024は、金属基材への有機コーティングの乾燥膜厚を測定するための手順を定めた標準文書であり、その重要性は特にコイルコーティング分野で際立っています。この標準は、磁気誘導、渦電流、マイクロメータ、光学、堅牢な光学干渉の5つの測定方法を提供しており、様々な状況に対応可能です。 この標準の強みは、各測定方法の特性に応じた柔軟な対応ができることです。例えば、磁気誘導と渦電流の方法では、コーティングの平均厚を測定し、マイクロメータでは最大厚、光学的手法では最小、最大、平均厚、堅牢な光学干渉が全体厚を提供します。この多様性は、さまざまな製品のニーズに応じて最適な方法を選択できる利点をもたらします。 さらに、非破壊的な連続ウェブ測定が可能な方法a)は、作業の効率を高め、品質管理における信頼性を向上させます。このように、SIST EN 13523-1:2024は、コイルコーティングの品質確認や評価に必要不可欠な基準となっており、その適用範囲は工業界での使用を通じてますます広がっています。 したがって、この標準は、金属における有機コーティングの膜厚測定のための明確で実用的なガイドラインを提供しており、その関連性と有用性は他の追随を許さないものとなっています。

The EN 13523-1:2024 standard excels in establishing comprehensive test methods for determining the dry-film thickness of organic coatings on metallic substrates in coil coating applications. The scope of this document highlights its critical role in ensuring quality control within industries that utilize coil-coated metals. One of the notable strengths of this standard is its inclusion of five distinct measurement methods-magnetic induction, eddy current, micrometer, optical, and ruggedized optical interference. Each method is tailored to specific needs and substrate conditions, providing flexibility in application. This versatility helps manufacturers select appropriate techniques based on the characteristics of their products. The standard specifically addresses the limitations and capabilities of each method. For example, it clarifies that methods a) and b) are suited for textured coatings in a dynamic way, where averaging multiple readings can give a reliable assessment of the organic coating's thickness. Meanwhile, method c) offers insights into the maximum thickness, while method d) accommodates a more comprehensive analysis by providing minimum, maximum, and average measurements. Method e) uniquely represents the total thickness, which can be particularly valuable in assessing coating integrity. Furthermore, the mention of non-destructive continuous-web measurement applications under method a) highlights the document's relevance in modern manufacturing environments, where efficiency and quality assessment are paramount. This method ensures that manufacturers can maintain continuous production cycles while systematically monitoring coating thickness without damaging the material. Overall, EN 13523-1:2024 stands out as a pivotal resource for industries engaged in coil coating, not only by providing standardized procedures for thickness measurement but also by promoting consistency, reliability, and innovation in quality assurance practices related to coil-coated metals. Its structured approach to method selection based on substrate characteristics further establishes its relevance in a diverse range of manufacturing processes.

La norme SIST EN 13523-1:2024 offre un cadre complet pour la détermination de l'épaisseur de film sec des revêtements organiques sur des substrats métalliques, en particulier dans le domaine du revêtement par coil coating. La portée de ce document est significative car elle englobe diverses méthodes de mesure adaptées à la variété d’applications industrielles. Les cinq méthodes proposées – inductions magnétiques, courants de Foucault, micromètre, optique, et interférence optique renforcée – incluent des solutions polyvalentes et précises pour le contrôle de qualité des revêtements. L'un des points forts de cette norme est sa capacité à s'adapter à différents types de substrats, principalement ceux qui sont lisses et plats. Cela garantit que, même avec des revêtements texturés, les mesures peuvent être effectuées avec précision en utilisant les ajustements nécessaires. La méthode d'induction magnétique et celle des courants de Foucault permettent de calculer une moyenne de l'épaisseur en prenant en compte plusieurs mesures, ce qui est crucial pour assurer l'homogénéité du revêtement. D'autre part, le micromètre fournit une évaluation de l'épaisseur maximale, tandis que l'optique peut donner plusieurs valeurs, y compris le minimum, le maximum et la moyenne. L'interférence optique robuste, quant à elle, est utile pour déterminer l'épaisseur totale, facilitant ainsi une évaluation exhaustive des revêtements. La pertinence de la norme SIST EN 13523-1:2024 réside dans son engagement envers des méthodes non destructives, en particulier avec la méthode d'induction magnétique, qui est adaptée pour les mesures continues sur des bandes. Cela permet d'économiser du temps et des ressources tout en maintenant un haut niveau de précision dans les industries qui nécessitent un contrôle rigoureux de l'épaisseur des revêtements. En résumé, cette norme établit des procédures fiables et diversifiées pour la mesure de l'épaisseur des films secs, contribuant ainsi à l'amélioration de la qualité et de la durabilité des produits métalliques revêtus. La diversité des méthodes décrites dans ce document offre aux utilisateurs un éventail d'options selon les spécificités de leur production, renforçant ainsi la compétitivité sur le marché.

Die Norm EN 13523-1:2024 bietet eine umfassende Vorgehensweise zur Bestimmung der Trockenfilmdicke von organischen Beschichtungen auf metallischen Substraten, insbesondere im Bereich der Coil-Beschichtung. Der Umfang dieses Dokuments ist klar definiert und befasst sich ausschließlich mit der Messmethodik, was für die Anwendung in der Industrie von großer Bedeutung ist. Die Norm dokumentiert fünf geeignete Methoden zur Messung der Filmdicke, darunter magnetische Induktion, Wirbelstrom, Mikrometer, optische Methoden sowie robuste optische Interferenz. Jede dieser Methoden hat ihre spezifischen Anwendungsgebiete und Vorteile. Die Verwendung dieser verschiedenen Methoden ermöglicht eine präzise und zuverlässige Bestimmung der Filmdicke, was für die Qualitätssicherung und die Leistungsfähigkeit der beschichteten Produkte entscheidend ist. Ein herausragendes Merkmal dieser Norm ist die Möglichkeit, die Filmdicke auf Produkten mit glatten und flachen Substraten zu messen, während die Beschichtung selbst texturiert sein kann. Dies bietet den Anwendern Flexibilität, da die Norm auch spezifische Anweisungen zur Interpretation der Messdaten gibt. So wird beispielsweise bei den Methoden a) und b) der Durchschnittswert einer Reihe von Messungen als spezifischer Wert für die Dicke der organischen Beschichtung verwendet, während Methode c) die maximale Dicke angibt und Methode d) eine umfassende Analyse der minimalen, maximalen und durchschnittlichen Dicke ermöglicht. Methode e) bietet zudem die Möglichkeit, die Gesamtdicke zu erfassen, was für umfassende Analysen unerlässlich ist. Ein weiterer wichtiger Aspekt der EN 13523-1:2024 ist die Nichtzerstörung der Materialprobe bei der Anwendung der Methode a), die eine kontinuierliche Messung der Trockenfilmdicke erlaubt. Diese Funktion verstärkt die Relevanz der Norm in der industriellen Fertigung, da sie praktische Anwendungsmöglichkeiten bietet, die die Effizienz und Genauigkeit der Qualitätssicherung verbessern. Insgesamt stellt die Norm EN 13523-1:2024 ein unverzichtbares Dokument für Fachleute im Bereich der Coil-Beschichtung dar, da sie klare, standardisierte Verfahren zur Bestimmung der Filmdicke bereitstellt und somit zur Gewährleistung der Produktqualität und der Einhaltung industrieller Standards beiträgt.