ISO 9727-4:2007
(Main)Cylindrical cork stoppers - Physical tests - Part 4: Determination of dimensional recovery after compression
Cylindrical cork stoppers - Physical tests - Part 4: Determination of dimensional recovery after compression
ISO 9727-4:2007 specifies a test method for determining the percentage of diameter recovery of cylindrical cork stoppers, after compression. It is applicable to all types of cylindrical cork stoppers ready for use or semi-worked, intended to be completely inserted in the bottle neck (straight cork stoppers).
Bouchons cylindriques en liège — Essais physiques — Partie 4: Détermination du taux de retour dimensionnel après compression
L'ISO 9727-4:2007 établit une méthode d'essai à pratiquer pour mesurer le pourcentage de reprise du diamètre des bouchons de liège cylindriques, après compression. Elle est applicable à tous les types de bouchons de liège cylindriques prêts à l'emploi ou semi-ouvrés, et destinés à être enfoncés à ras de bague.
General Information
- Status
- Published
- Publication Date
- 15-May-2007
- Technical Committee
- ISO/TC 87 - Cork
- Drafting Committee
- ISO/TC 87 - Cork
- Current Stage
- 9093 - International Standard confirmed
- Start Date
- 23-Feb-2024
- Completion Date
- 13-Dec-2025
Relations
- Effective Date
- 15-Apr-2008
Overview
ISO 9727-4:2007 is an essential international standard that specifies the test method for determining the dimensional recovery after compression of cylindrical cork stoppers. This standard is applicable to all types of straight cork stoppers-both ready-for-use and semi-worked-designed to be fully inserted into a bottle neck. The test evaluates how well cork stoppers return to their original diameter after being compressed, a critical factor in ensuring an effective seal in bottling applications.
Developed by ISO Technical Committee ISO/TC 87 on Cork, this part of the ISO 9727 series supports quality control and manufacturing consistency in cork stopper production. By establishing uniform test procedures and requirements, ISO 9727-4:2007 enhances the reliability and performance of cork stoppers across the beverage industry.
Key Topics
- Scope: Applicable to cylindrical cork stoppers intended for full bottle neck insertion; focuses on diameter recovery post-compression.
- Test Method: Measurement of cork diameter before and after compression using precise vernier gauges and a bottling machine with regulated compression jaws.
- Environmental Conditions: Tests are conducted at 21 °C ± 4 °C and 60 % ± 20 % relative humidity to ensure consistent and repeatable results.
- Sampling Requirements: Selection of stoppers without visible defects such as abnormal shapes or surface irregularities to maintain test accuracy.
- Calculation: Diameter recovery percentage is calculated by comparing pre- and post-compression diameters, with results averaged and reported along with standard deviation.
- Test Reporting: Detailed reporting includes sample identification, sampling methodology, measured results, and any deviations that might influence outcomes.
Applications
ISO 9727-4:2007 is primarily utilized in industries where cylindrical cork stoppers serve as sealing components, including:
- Wine and Spirits Bottling: Verifying cork stopper resilience to compression ensures proper sealing, preserving product quality and shelf life.
- Quality Assurance: Manufacturers use this standard to monitor cork quality and dimensional stability, optimizing production processes.
- Material Research: Facilitates analysis of cork materials under compressive stress, aiding in product improvement and development.
- Regulatory Compliance: Helps producers meet international expectations for cork performance in bottling applications.
By applying ISO 9727-4:2007, businesses can enhance customer confidence, reduce leakage risks, and streamline cork stopper specifications to meet market demands.
Related Standards
ISO 9727-4:2007 is part of the broader ISO 9727 series addressing physical tests for cylindrical cork stoppers:
- ISO 9727-1: Determination of dimensions - foundational measurement methodology.
- ISO 9727-2: Determination of mass and apparent density for agglomerated cork stoppers.
- ISO 9727-3: Determination of humidity content - critical for assessing cork preservation.
- ISO 9727-5: Determination of extraction force - measuring ease of stopper removal.
- ISO 9727-6: Determination of liquid tightness - ensuring the stopper prevents leaks.
- ISO 9727-7: Determination of dust content - assessing cleanliness and quality.
Additionally, ISO 633 provides the vocabulary and essential terminology referenced within ISO 9727-4:2007, facilitating standardized communication in cork testing.
By adhering to ISO 9727-4:2007, manufacturers and quality control laboratories ensure the reliable performance of cylindrical cork stoppers, maintaining high standards in bottling industries worldwide. This standard supports consistent testing protocols, leading to enhanced product integrity and customer satisfaction.
ISO 9727-4:2007 - Cylindrical cork stoppers — Physical tests — Part 4: Determination of dimensional recovery after compression Released:5/16/2007
ISO 9727-4:2007 - Bouchons cylindriques en liège — Essais physiques — Partie 4: Détermination du taux de retour dimensionnel après compression Released:5/16/2007
Frequently Asked Questions
ISO 9727-4:2007 is a standard published by the International Organization for Standardization (ISO). Its full title is "Cylindrical cork stoppers - Physical tests - Part 4: Determination of dimensional recovery after compression". This standard covers: ISO 9727-4:2007 specifies a test method for determining the percentage of diameter recovery of cylindrical cork stoppers, after compression. It is applicable to all types of cylindrical cork stoppers ready for use or semi-worked, intended to be completely inserted in the bottle neck (straight cork stoppers).
ISO 9727-4:2007 specifies a test method for determining the percentage of diameter recovery of cylindrical cork stoppers, after compression. It is applicable to all types of cylindrical cork stoppers ready for use or semi-worked, intended to be completely inserted in the bottle neck (straight cork stoppers).
ISO 9727-4:2007 is classified under the following ICS (International Classification for Standards) categories: 55.100 - Bottles. Pots. Jars; 79.100 - Cork and cork products. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 9727-4:2007 has the following relationships with other standards: It is inter standard links to ISO 9727:1991. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ISO 9727-4:2007 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 9727-4
First edition
2007-05-15
Cylindrical cork stoppers — Physical
tests —
Part 4:
Determination of dimensional recovery
after compression
Bouchons cylindriques en liège — Essais physiques —
Partie 4: Détermination du taux de retour dimensionnel après
compression
Reference number
©
ISO 2007
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© ISO 2007
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ii © ISO 2007 – All rights reserved
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
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Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 9727-4 was prepared by Technical Committee ISO/TC 87, Cork.
This first edition of ISO 9727-4, together with the other parts of ISO 9727:2007, cancels and replaces
ISO 9727:1991, which has been technically revised.
ISO 9727 consists of the following parts, under the general title Cylindrical cork stoppers — Physical tests:
⎯ Part 1: Determination of dimensions
⎯ Part 2: Determination of mass and apparent density for agglomerated cork stoppers
⎯ Part 3: Determination of humidity content
⎯ Part 4: Determination of dimensional recovery after compression
⎯ Part 5: Determination of extraction force
⎯ Part 6: Determination of liquid tightness
⎯ Part 7: Determination of dust content
INTERNATIONAL STANDARD ISO 9727-4:2007(E)
Cylindrical cork stoppers — Physical tests —
Part 4:
Determination of dimensional recovery after compression
1 Sc
...
NORME ISO
INTERNATIONALE 9727-4
Première édition
2007-05-15
Bouchons cylindriques en liège — Essais
physiques —
Partie 4:
Détermination du taux de retour
dimensionnel après compression
Cylindrical cork stoppers — Physical tests —
Part 4: Determination of dimensional recovery after compression
Numéro de référence
©
ISO 2007
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© ISO 2007
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Publié en Suisse
ii © ISO 2007 – Tous droits réservés
Avant-propos
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normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est en général confiée
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la Commission électrotechnique internationale (CEI) en ce qui concerne la normalisation électrotechnique.
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Partie 2.
La tâche principale des comités techniques est d'élaborer les Normes internationales. Les projets de Normes
internationales adoptés par les comités techniques sont soumis aux comités membres pour vote. Leur
publication comme Normes internationales requiert l'approbation de 75 % au moins des comités membres
votants.
L'attention est appelée sur le fait que certains des éléments du présent document peuvent faire l'objet de
droits de propriété intellectuelle ou de droits analogues. L'ISO ne saurait être tenue pour responsable de ne
pas avoir identifié de tels droits de propriété et averti de leur existence.
L'ISO 9727-4 a été élaborée par le comité technique ISO/TC 87, Liège.
Cette première édition de l'ISO 9727-4, conjointement aux autres parties de l'ISO 9727:2007, annule et
remplace l'ISO 9727:1991, qui a fait l'objet d'une révision technique.
L'ISO 9727 comprend les parties suivantes, présentées sous le titre général Bouchons cylindriques en
liège — Essais physiques:
⎯ Partie 1: Détermination des dimensions
⎯ Partie 2: Détermination de la masse et de la masse volumique apparente des bouchons de liège
agglomérés
⎯ Partie 3: Détermination du taux d'humidité
⎯ Partie 4: Détermination du taux de retour dimensionnel après compression
⎯ Partie 5: Détermination de la force d'extraction
⎯ Partie 6: Détermination de l'étanchéité aux liquides
⎯ Partie 7: Détermination de la quantité de poussières
NORME INTERNATIONALE ISO 9727-4:2007(F)
Bouchons cylindriques en liège — Essais physiques —
P
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