ISO 2386:2019
(Main)Packed cork - Virgin cork, raw reproduction cork, burnt cork, boiled reproduction cork and raw cork waste - Determination of moisture content
Packed cork - Virgin cork, raw reproduction cork, burnt cork, boiled reproduction cork and raw cork waste - Determination of moisture content
This document specifies a method for determination of the moisture content of packed cork, either virgin cork, raw reproduction cork, burnt cork, boiled reproduction cork and raw cork waste.
Liège emballé — Liège mâle, liège de reproduction cru, liège flambé, liège de reproduction bouilli et rebut — Détermination de l'humidité
Le présent document spécifie une méthode visant à déterminer la teneur en humidité du liège emballé, qu'il s'agisse de liège mâle, de liège de reproduction brut, de liège flambé, de liège de reproduction bouilli ou de rebut.
General Information
- Status
- Published
- Publication Date
- 16-Jul-2019
- Technical Committee
- ISO/TC 87 - Cork
- Drafting Committee
- ISO/TC 87 - Cork
- Current Stage
- 9060 - Close of review
- Completion Date
- 04-Mar-2030
Relations
- Effective Date
- 22-Apr-2023
- Effective Date
- 23-Apr-2020
Overview
ISO 2386:2019 specifies a standardized laboratory method for determining the moisture content of packed cork - including virgin cork, raw reproduction cork, burnt cork, boiled reproduction cork and raw cork waste. The method is gravimetric: measuring mass before and after controlled drying and calculating the moisture loss as a percentage of the initial mass. ISO 2386:2019 ensures repeatable, comparable moisture measurements for quality control and lot acceptance.
Key topics and technical requirements
- Scope: Applies to packed cork types listed above (virgin, reproduction, burnt, boiled, waste).
- Principle: Mass determination, drying under specified conditions, reweighing and calculation of moisture loss.
- Test specimens: Three specimens taken at random from the laboratory sample; each specimen ~400 g.
- Apparatus essentials:
- Balance with resolution of at least 0.5 g.
- Ventilated drying oven set to (103 ± 2) °C.
- Open containers and desiccators with an efficient desiccant (e.g., silica gel).
- Procedure highlights:
- Pre-dry containers at (103 ± 2) °C for 30 min, cool 30 min in desiccator, weigh container (m1).
- Place specimen in container and weigh (m2).
- Dry sets at (103 ± 2) °C for at least 1 hour, cool 30 min, weigh (repeat drying and weighing until constant mass: two consecutive weighings within 0.5 g) to obtain m3.
- Round masses to the nearest 0.5 g per the standard.
- Calculation: Moisture content (%) = (m2 − m3) / (m2 − m1) × 100.
- Result reporting: Average the three specimen results and round to the nearest integer. Test report must identify the sample, include result, reference ISO 2386:2019, note any non‑specified operating details and incidents.
Applications and users
ISO 2386:2019 is practical for:
- Cork producers and processors performing quality control and drying-process monitoring.
- Laboratory technicians in materials testing labs measuring moisture content for lot acceptance.
- Manufacturers using cork as an input (e.g., wine stoppers, flooring, composites) who require consistent moisture specifications for processing and storage.
- Importers/exporters and certification bodies needing a standardized method to verify consignments.
Benefits include improved consistency in product performance, reduced processing defects linked to improper moisture, and clearer acceptance criteria for traded cork lots.
Related standards
- ISO 633: Cork - Vocabulary (referenced for terminology used in this method).
- General ISO/IEC Directives apply to document development and use.
Keywords: ISO 2386, packed cork, moisture content determination, cork testing, drying oven 103°C, balance 0.5 g, virgin cork, cork waste, quality control.
ISO 2386:2019 - Packed cork — Virgin cork, raw reproduction cork, burnt cork, boiled reproduction cork and raw cork waste — Determination of moisture content Released:7/17/2019
ISO 2386:2019 - Liège emballé — Liège mâle, liège de reproduction cru, liège flambé, liège de reproduction bouilli et rebut — Détermination de l'humidité Released:7/17/2019
Frequently Asked Questions
ISO 2386:2019 is a standard published by the International Organization for Standardization (ISO). Its full title is "Packed cork - Virgin cork, raw reproduction cork, burnt cork, boiled reproduction cork and raw cork waste - Determination of moisture content". This standard covers: This document specifies a method for determination of the moisture content of packed cork, either virgin cork, raw reproduction cork, burnt cork, boiled reproduction cork and raw cork waste.
This document specifies a method for determination of the moisture content of packed cork, either virgin cork, raw reproduction cork, burnt cork, boiled reproduction cork and raw cork waste.
ISO 2386:2019 is classified under the following ICS (International Classification for Standards) categories: 79.100 - Cork and cork products. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 2386:2019 has the following relationships with other standards: It is inter standard links to ISO 21952:2025, ISO 2386:2015. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase ISO 2386:2019 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 ISO standards.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 2386
Fifth edition
2019-07
Packed cork — Virgin cork, raw
reproduction cork, burnt cork, boiled
reproduction cork and raw cork waste
— Determination of moisture content
Liège emballé — Liège mâle, liège de reproduction cru, liège flambé,
liège de reproduction bouilli et rebut — Détermination de l'humidité
Reference number
©
ISO 2019
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus . 1
6 Procedure. 2
6.1 Test sample . 2
6.2 Determination . 2
7 Results . 2
7.1 Calculation . 2
7.2 Expression of results . 2
8 Test report . 2
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 non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).
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 o
...
NORME ISO
INTERNATIONALE 2386
Cinquième édition
2019-07
Liège emballé — Liège mâle, liège de
reproduction cru, liège flambé, liège
de reproduction bouilli et rebut —
Détermination de l'humidité
Packed cork — Virgin cork, raw reproduction cork, burnt cork,
boiled reproduction cork and raw cork waste — Determination of
moisture content
Numéro de référence
©
ISO 2019
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2019
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: +41 22 749 01 11
Fax: +41 22 749 09 47
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse
ii © ISO 2019 – Tous droits réservés
Sommaire Page
Avant-propos .iv
1 Domaine d'application . 1
2 Références normatives . 1
3 Termes et définitions . 1
4 Principe . 1
5 Appareillage . 1
6 Mode opératoire. 2
6.1 Échantillon pour essai . 2
6.2 Détermination . 2
7 Résultats . 2
7.1 Calculs . 2
7.2 Expression des résultats . 2
8 Rapport d’essai . 2
Avant-propos
ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes nationaux
de normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est en général
confiée aux comités techniques de l'ISO. Chaque comité membre intéressé par une étude a le droit de
faire partie du comité technique créé à cet effet. Les organisations internationales, gouvernementales
et non gouvernementales, en liaison avec l'ISO participent également aux travaux. L'ISO collabore
étroitement avec la Commission électrotechnique internationale (IEC) en ce qui concerne la
normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont
décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier de prendre note des différents
critères d'approbation requis pour les différents types de documents ISO. Le présent document a été
rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2 (voir www
.iso .org/directives).
L'attention est attirée 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. Les détails concernant
les références aux droits de propriété intellectuelle ou autres droits analogues identifiés lors de
l'élaboration du document sont indiqués dans l'Introduction et/ou dans la liste des déclarations de
brevets reçues par l'ISO (voir www .iso .org/brevets).
Les appellations commerciales éventuellement mentionnées dans le présent docu
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