Packaging - Test method to determine the porosity of the internal coating of flexible aluminium tubes - Part 2: Copper sulphate test

This European Standard is applicable for internally coated cylindrical aluminium tubes, mainly used for the packing of pharmaceutical, cosmetic, hygiene, food or other household products.
The internal coating is used as a barrier and should avoid any contact between aluminium and the product. This European Standard defines the copper sulphate method to detect the electrolyte conductivity as one criterion for the quality of the internal coating.
NOTE   The electrolyte conductivity of the internal coating is only one criterion for evaluation of the quality of an internal coating. It does not give any information on the quantity or size of any pores or uncoated areas, nor any hint on possible reactions between the aluminium tube and the product. The electrolyte conductivity is never used as the sole criterion for quality evaluation of the internal coating, but always with other parameters, e.g. film thickness, acetone and/or ammonia resistance and of course results of enhanced stability studies.

Packmittel - Prüfverfahren zur Bestimmung der Porosität der Innenbeschichtung von Aluminiumtuben - Teil 2: Kupfersulfatverfahren

Diese Europäische Norm gilt für innenbeschichtete zylindrische Aluminiumtuben, die überwiegend für die Verpackung von Produkten der Pharmazie, der Kosmetik, der Hygiene sowie von Lebensmitteln oder anderen Haushaltsprodukten verwendet werden.
Die Innenbeschichtung dient als Sperrschicht und sollte jeden Kontakt zwischen Aluminium und dem Produkt verhindern. Diese Europäische Norm legt das Kupfersulfatverfahren zur Bestimmung der elektrolytischen Leitfähigkeit als ein Kennzeichen der Qualität der Innenbeschichtung fest.
ANMERKUNG   Die elektrolytische Leitfähigkeit der Innenbeschichtung ist nur ein Kennzeichen zur Beurteilung der Qualität einer Innenbeschichtung. Sie gibt weder Informationen über Anzahl oder Größe von Poren oder unbeschichteten Flächen noch Hinweise auf mögliche Reaktionen zwischen Aluminiumtube und Produkt an. Die elektrolytische Leitfähigkeit dient nie als einziges Kennzeichen zur Qualitätsbeurteilung einer Innenbeschichtung, sondern immer gemeinsam mit anderen Kennwerten, wie z. B. Schichtdicke, Aceton  und/oder Ammoniakbeständigkeit und selbstverständlich Ergebnissen erweiterter Stabilitätsstudien.

Emballage - Méthode d'essai pour déterminer la porosité du revêtement intérieur des tubes souples en aluminium - Partie 2 : Essai au sulfate de cuivre

La présente norme est applicable aux tubes cylindriques en aluminium à revêtement intérieur, principalement utilisés pour emballer des produits pharmaceutiques, cosmétologiques, alimentaires, des produits d’hygiène et autres produits de première nécessité.
Le revêtement intérieur a pour fonction d’empêcher tout contact entre l’aluminium et le produit. La présente norme définit la méthode au sulfate de cuivre pour détecter la conductivité de l’électrolyte, qui est un critère de qualité du revêtement intérieur.
NOTE   La conductivité de l’électrolyte du revêtement intérieur n’est qu’un critère d’évaluation de la qualité d’un revêtement intérieur. Elle ne donne aucune information sur la quantité ou la taille d’éventuels pores ou zones non revêtues, ni sur les possibles réactions entre le tube d’aluminium et le produit. Il convient de ne jamais utiliser la conductivité de l’électrolyte comme seul critère d’évaluation de la qualité du revêtement intérieur, mais de toujours l’associer à d’autres paramètres, comme l’épaisseur du film, la résistance à l’acétone et/ou à l’ammoniaque, et, bien sûr, aux résultats des études de stabilité détaillées.

Embalaža - Preskusna metoda za ugotavljanje poroznosti notranjih prevlek prožnih aluminijastih tub - 2. del: Preskus z bakrovim sulfatom

Ta evropski standard se uporablja za cilindrične aluminijaste tube z notranjo prevleko, namenjene predvsem pakiranju farmacevtskih, kozmetičnih, higienskih, prehrambenih ali drugih gospodinjskih proizvodov.
Notranja prevleka se uporablja kot pregrada in preprečuje stik med aluminijem in proizvodom. Ta evropski standard določa metodo z bakrovim sulfatom za zaznavanje elektrolitske prevodnosti kot eno merilo za kakovost notranje prevleke.
OPOMBA: Elektrolitska prevodnost notranje prevleke je samo eno merilo za oceno kakovosti notranje prevleke. Ne podaja nobenih informacij o količini ali velikosti morebitnih por ali območij brez prevleke ter nobenih namigov o mogočih reakcijah med aluminijasto tubo in proizvodom. Elektrolitska prevodnost se nikoli ne uporablja kot edino merilo za oceno kakovosti notranje prevleke, ampak se vedno uporablja z drugimi parametri, npr. debelino premaza, odpornostjo na aceton in/ali amoniak, in rezultati študij večje stabilnosti.

General Information

Status
Published
Publication Date
24-Jan-2017
Withdrawal Date
30-Jul-2017
Technical Committee
CEN/TC 261 - Packaging
Drafting Committee
WG 39 - Flexible tubes
Current Stage
9060 - Closure of 2 Year Review Enquiry - Review Enquiry
Start Date
04-Mar-2023
Completion Date
04-Mar-2023

Relations

Effective Date
08-Jun-2022

Overview

EN 15384-2:2017 is a European Standard developed by the European Committee for Standardization (CEN) that specifies a test method to determine the porosity of the internal coating of flexible aluminium tubes. This standard particularly focuses on the copper sulphate test, which evaluates the electrolyte conductivity of the tube’s internal coating. Internally coated aluminium tubes are widely used for packaging products in the pharmaceutical, cosmetic, hygiene, food, and household sectors. The internal coating functions as a barrier that prevents direct contact between the aluminium substrate and the packed product, ensuring product integrity and safety.

This standard is essential for manufacturers, quality control specialists, and packaging engineers aiming to assess the protective quality of the internal coating. The copper sulphate method helps detect potential flaws in the coating that could compromise the barrier, although it should always be used alongside other quality assessment parameters.

Key Topics

  • Scope and Application: Designed for cylindrical aluminium tubes with internal coatings primarily used in packaging sensitive products.

  • Copper Sulphate Test Principle:

    • Tubes are filled with a copper sulphate electrolyte solution.
    • The test applies a defined voltage using an enamel conductometer.
    • The measured electrical current indicates the electrolyte conductivity, directly related to porosity in the coating.
  • Apparatus and Setup:

    • Enamel conductometer with a moveable copper electrode (positive pole).
    • Stainless steel adapter electrode connected to the aluminium tube (negative pole).
    • Specific electrolyte composition of copper sulphate pentahydrate, acetic acid, and a wetting agent.
  • Test Procedure:

    • Precise filling and electrode placement ensure consistent measurements.
    • Voltage of 4,500 mV DC applied for 2.5 seconds.
    • Measurements recorded in milliamps (mA) indicating coating integrity.
  • Tolerances and Limitations:

    • Defined tolerances based on tube diameter and internal coatings.
    • Recognizes that this test alone doesn’t reveal pore size or distribution.
    • Advises combining electrolyte conductivity data with film thickness, chemical resistance (acetone/ammonia), and stability studies for comprehensive quality assessment.
  • Reporting Requirements:

    • Documentation includes test parameters, batch details, sample descriptions, equipment information, results, and inspector credentials.

Applications

  • Quality Control in Packaging Manufacturing:
    EN 15384-2:2017 supports routine testing of aluminium tube coatings to ensure barrier performance, reducing the risk of product contamination and degradation.

  • Pharmaceutical Packaging Assurance:
    Ensures internal coatings meet strict standards to prevent drug-aluminium interactions and preserve medication efficacy.

  • Cosmetic and Hygiene Product Safety:
    Helps verify coatings prevent metal contact with sensitive formulations, ensuring user safety and product longevity.

  • Food Packaging Compliance:
    Confirms that internal coatings protect food products, maintaining freshness and preventing metallic taste or spoilage.

  • Research and Development:
    Provides a standardized testing framework when developing new coating materials or optimizing production processes.

Related Standards

  • EN 12374: Packaging – Flexible tubes – Terminology
  • EN 13046: Packaging – Flexible cylindrical metallic tubes – Dimensions and tolerances
  • EN 13047: Packaging – Flexible conical metallic tubes – Dimensions and tolerances
  • ISO 2859-1: Sampling procedures for inspection by attributes – Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection

These standards complement EN 15384-2:2017 by providing terminology, dimensional requirements, and sampling procedures critical for comprehensive packaging quality management.


Keywords: EN 15384-2:2017, copper sulphate test, aluminium tube porosity, internal coating test, packaging standards, electrolyte conductivity, flexible aluminium tubes, pharmaceutical packaging, cosmetic packaging, food packaging, coating quality assessment, enamel conductometer, CEN packaging standard.

Frequently Asked Questions

EN 15384-2:2017 is a standard published by the European Committee for Standardization (CEN). Its full title is "Packaging - Test method to determine the porosity of the internal coating of flexible aluminium tubes - Part 2: Copper sulphate test". This standard covers: This European Standard is applicable for internally coated cylindrical aluminium tubes, mainly used for the packing of pharmaceutical, cosmetic, hygiene, food or other household products. The internal coating is used as a barrier and should avoid any contact between aluminium and the product. This European Standard defines the copper sulphate method to detect the electrolyte conductivity as one criterion for the quality of the internal coating. NOTE The electrolyte conductivity of the internal coating is only one criterion for evaluation of the quality of an internal coating. It does not give any information on the quantity or size of any pores or uncoated areas, nor any hint on possible reactions between the aluminium tube and the product. The electrolyte conductivity is never used as the sole criterion for quality evaluation of the internal coating, but always with other parameters, e.g. film thickness, acetone and/or ammonia resistance and of course results of enhanced stability studies.

This European Standard is applicable for internally coated cylindrical aluminium tubes, mainly used for the packing of pharmaceutical, cosmetic, hygiene, food or other household products. The internal coating is used as a barrier and should avoid any contact between aluminium and the product. This European Standard defines the copper sulphate method to detect the electrolyte conductivity as one criterion for the quality of the internal coating. NOTE The electrolyte conductivity of the internal coating is only one criterion for evaluation of the quality of an internal coating. It does not give any information on the quantity or size of any pores or uncoated areas, nor any hint on possible reactions between the aluminium tube and the product. The electrolyte conductivity is never used as the sole criterion for quality evaluation of the internal coating, but always with other parameters, e.g. film thickness, acetone and/or ammonia resistance and of course results of enhanced stability studies.

EN 15384-2:2017 is classified under the following ICS (International Classification for Standards) categories: 13.340.10 - Protective clothing; 55.120 - Cans. Tins. Tubes. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 15384-2:2017 has the following relationships with other standards: It is inter standard links to EN 15384:2007. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

You can purchase EN 15384-2:2017 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)


2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Embalaža - Preskusna metoda za ugotavljanje poroznosti notranjih prevlek prožnih aluminijastih tub - 2. del: Preskus z bakrovim sulfatomPackmittel - Prüfverfahren zur Bestimmung der Porosität der Innenbeschichtung von Aluminiumtuben - Teil 2: KupfersulfatverfahrenEmballage - Méthode d'essai pour déterminer la porosité du revêtement intérieur des tubes souples en aluminium - Partie 2 : Essai au sulfate de cuivrePackaging - Test method to determine the porosity of the internal coating of flexible aluminium tubes - Part 2: Copper sulphate test77.150.10Aluminijski izdelkiAluminium products55.120Cans. Tins. TubesICS:Ta slovenski standard je istoveten z:EN 15384-2:2017SIST EN 15384-2:2017en,fr,de01-september-2017SIST EN 15384-2:2017SLOVENSKI
STANDARDSIST EN 15384:20081DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15384-2
January
t r s y ICS
w wä s t r Supersedes EN
s w u z vã t r r yEnglish Version
Packaging æ Test method to determine the porosity of the internal coating of flexible aluminium tubes æ Part
tã Copper sulphate test Emballage æ Méthode d 5essai pour déterminer la porosité du revêtement intérieur des tubes souples en aluminium æ Partie
t ã Essai au sulfate de cuivre
Packmittel æ Prüfverfahren zur Bestimmung der Porosität der Innenbeschichtung von Aluminiumtuben æ Teil
tã Kupfersulfatverfahren This European Standard was approved by CEN on
s v November
t r s xä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s w u z væ tã t r s y ESIST EN 15384-2:2017
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.

Loading comments...

EN 15384-2:2017 표준은 제약, 화장품, 위생, 식품 또는 기타 가정용 제품의 포장을 위해 주로 사용되는 내부 코팅된 원통형 알루미늄 튜브의 품질을 평가하기 위한 중요한 기초를 제공합니다. 이 표준의 범위는 알루미늄 튜브와 제품 간의 접촉을 방지하기 위한 장벽으로서의 내부 코팅의 역할에 중점을 두고 있습니다. 주요 강점으로는 구리 황산염 테스트를 사용하여 내부 코팅의 전해질 전도도를 결정하는 방법을 정의하여 코팅 품질에 대한 중요한 기준을 제공합니다. 이는 내부 코팅이 알루미늄과 제품 간의 반응을 방지하는 데 필수적임을 강조하며, 이 과정에서 안전성과 효과성을 보장하는 데 기여합니다. 그러나 이 표준은 전해질 전도도가 내부 코팅 품질 평가의 유일한 기준이 아니며, 필름 두께, 아세톤 및 암모니아 저항성과 같은 다른 파라미터와 함께 고려되어야 함을 분명히 합니다. EN 15384-2:2017 표준은 대체로 내부 코팅의 중요성을 인식하고, 관련 제품의 안전성을 높이는 데 있어 필수적인 역할을 하며, 특히 소비자 보호와 제품 품질 보증을 위한 지속적인 개선을 위한 기준을 제공합니다. 이를 통해 업계 관계자들은 내부 코팅 품질에 대한 다양한 측면을 포괄적으로 이해하고 평가할 수 있습니다.

Die Norm EN 15384-2:2017 ist eine bedeutende europäische Norm, die sich auf die Festlegung eines Prüfverfahrens zur Bestimmung der Porosität der Innenbeschichtung von flexiblen Aluminiumtuben konzentriert. Insbesondere bezieht sich diese Norm auf intern beschichtete zylindrische Aluminiumtuben, die hauptsächlich zur Verpackung von pharmazeutischen, kosmetischen, hygienischen, Nahrungsmittel- oder anderen Haushaltsprodukten verwendet werden. Ein herausragendes Merkmal dieser Norm ist der copper sulphate test, der ermöglicht, die Elektrolytleitfähigkeit als ein Kriterium für die Qualität der Innenbeschichtung zu bewerten. Diese Methode ist von besonderer Relevanz, da die Innenbeschichtung als Barriere fungiert und sicherstellen soll, dass es zu keinem Kontakt zwischen dem Aluminium und dem damit verpackten Produkt kommt. Die normierten Prüfmethoden sind wesentlich, um die Integrität und Sicherheit der Produkte zu gewährleisten, die in diesen Tuben verpackt sind. Ein weiterer wichtiger Aspekt der EN 15384-2:2017 ist die klarstellende Aussage, dass die Elektrolytleitfähigkeit lediglich ein Kriterium zur Bewertung der Qualität der Innenbeschichtung darstellt. Es ist wichtig zu beachten, dass diese Norm keine Informationen über die Menge oder Größe von Poren oder unbeschichteten Bereichen liefert und auch keine Hinweise auf mögliche Reaktionen zwischen der Aluminiumröhre und dem Produkt gibt. Daher ist zu betonen, dass die Leitfähigkeit niemals als alleiniges Kriterium für die Qualitätsbewertung der Innenbeschichtung verwendet werden sollte, sondern immer in Verbindung mit anderen Parametern wie der Schichtdicke, der Beständigkeit gegen Aceton und/oder Ammoniak sowie den Ergebnissen von Stabilitätsstudien betrachtet werden muss. Insgesamt bietet die Norm EN 15384-2:2017 eine fundierte Grundlage für die Bewertung der Qualität von Innenbeschichtungen in Aluminiumtuben und trägt dazu bei, die Sicherheit und Wirksamkeit der in diesen Verpackungen enthaltenen Produkte zu gewährleisten.

SIST EN 15384-2:2017は、内部コーティングされた円筒形アルミニウムチューブに関する欧州標準の一部であり、特に製薬、化粧品、衛生、食品その他の家庭用品のパッケージングに広く使用される素材に焦点を当てています。この標準は、内部コーティングがアルミニウムと製品の間に障壁として機能することを目的としており、アルミニウムが製品と接触しないようにすることが求められています。 本標準の主な強みは、銅硫酸塩法を用いて内部コーティングの電解質導電率を測定するための明確な試験方法を提供している点です。この方法は、内部コーティングの品質を評価するための一つの基準であり、特に電解質導電率を測定することで、そのコーティングの機能性が確認されます。ただし、この導電率はコーティングの品質を評価するための唯一の基準ではないことが明確にされています。他の重要なパラメーター、例えばフィルム厚、アセトンおよびアンモニアに対する耐性、さらには安定性試験の結果と併せて評価する必要があります。 標準の適用範囲は、特に医療や消費者製品における安全性・信頼性を確保するために極めて重要です。実際、内部コーティングの品質管理は、これらの製品が消費者に届く前に行われなければならず、この基準はその一助となるでしょう。さらに、内部コーティングにおける孔や未コーティング部分の量やサイズには触れられていないため、品質評価を行う際には、総合的な視点が求められます。 このように、SIST EN 15384-2:2017は、内部コーティングされたアルミニウムチューブの品質保証のために必要な基準を確立しており、消費者製品の安全性に寄与する重要な文書であると言えます。

The EN 15384-2:2017 standard provides a comprehensive framework for assessing the porosity of the internal coating of flexible aluminium tubes through the copper sulphate test. It holds significant relevance in today's manufacturing landscape, particularly for industries that require strict compliance with quality control measures for packaging materials, including pharmaceuticals, cosmetics, hygiene products, and food items. The scope of this standard is clearly delineated, focusing specifically on internally coated cylindrical aluminium tubes utilized predominantly in various consumer goods. By establishing a standardized method for evaluating the electrolyte conductivity of the internal coating, EN 15384-2:2017 ensures that manufacturers can consistently assess the protective properties of their packaging solutions. This is critical, as the internal coating serves as a barrier to prevent any undesirable interaction between the aluminium material and the product being housed. One of the notable strengths of this standard is its methodological approach to quality assessment. While the copper sulphate method is outlined as a key criterion, it is important to recognize that it intentionally does not stand alone. The standard emphasizes a holistic evaluation of the internal coating by considering additional vital parameters, such as film thickness and various resistance tests (acetone and ammonia resistance), alongside outcomes from stability studies. This multi-faceted assessment approach bolsters the reliability of the conclusions drawn from the testing process and promotes higher quality standards across the industry. Furthermore, the standard addresses potential limitations by clarifying that the electrolyte conductivity measure does not provide insight into the size or quantity of any defects, such as pores or uncoated areas. This critical information positions the user to make informed decisions regarding the quality and suitability of packaging, ensuring that it meets the necessary protective requirements. Overall, EN 15384-2:2017 serves as a vital instrument in the quality assurance toolkit for manufacturers of flexible aluminium tubes. Its practical application is imperative for maintaining the integrity of packed products, thus safeguarding consumer safety and satisfaction. The structured methodology and the emphasis on a comprehensive evaluation of the internal coating's quality reiterate the standard's relevance in an increasingly quality-conscious market environment.

Le document référencé SIST EN 15384-2:2017 présente une norme européenne essentielle pour évaluer la qualité du revêtement interne des tubes en aluminium flexibles, spécifiquement dans le domaine de l'emballage de produits pharmaceutiques, cosmétiques, d'hygiène, alimentaires et d'autres produits ménagers. Cette norme est particulièrement pertinente car elle aborde des enjeux critiques liés à la sécurité et l'intégrité des produits en contact avec des emballages en aluminium. L'une des forces majeures de cette norme est la méthode de test au sulfate de cuivre qu'elle propose pour déterminer la conductivité électrolytique, un critère clé pour évaluer la qualité du revêtement interne. Cette approche fournit une première indication de l'absence de porosité et d’éventuels défauts dans le revêtement, agissant comme une barrière protectrice contre le contact direct entre l'aluminium et le produit emballé. Cela garantit non seulement la sécurité du produit mais également la conformité aux régulations strictes en matière d'emballage. Il est crucial de noter que, bien que la conductivité électrolytique soit un élément important, la norme précise qu'elle ne doit pas être utilisée comme le seul critère d'évaluation de la qualité du revêtement interne. Au contraire, elle recommande de l'intégrer avec d'autres paramètres tels que l'épaisseur du film, la résistance à des solvants comme l'acétone et l'ammoniaque, ainsi que les résultats d'études sur la stabilité améliorée. Cette approche holistique renforce la fiabilité des critères d'évaluation et permet d'assurer une production d'emballages de haute qualité. En résumé, la norme EN 15384-2:2017 se révèle être un document fondamental pour les acteurs du secteur de l'emballage, garantissant non seulement la qualité des revêtements internes des tubes en aluminium, mais également la sécurité des produits emballés. Sa pertinence s'étend à tous les domaines d'application mentionnés, soulignant ainsi l'importance de respecter ces standards pour protéger à la fois les consommateurs et les fabricants.