ISO 9727-8:2022 PDF

Name: ISO 9727-8:2022 — Cylindrical cork stoppers — Physical tests — Part 8: Determination of capillarity
SKU: ISO 9727-8:2022
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Cylindrical cork stoppers — Physical tests — Part 8: Determination of capillarity

Название (английский):

ISO 9727-8:2022

Cylindrical cork stoppers — Physical tests — Part 8: Determination of capillarity

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 4
Дата публикации:: 21 апреля 2022 г.
Издание:: ISO IS 9727 edition 1 version 1
ICS:: 55.100

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Описание (английский):

This document specifies the test method to determine the capillarity of cylindrical cork stoppers. It consists in measuring the capillary rise by dipping in a hydro-alcoholic solution containing a dye. Two methods using the same procedure but different concentrations of hydro-alcoholic solutions are described. It is applicable to all types of cylindrical cork stoppers, ready for use.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 9727-8:2022 is an international standard that specifies the test methods for determining the capillarity of cylindrical cork stoppers. Capillarity measurement is crucial for assessing the physical properties of cork stoppers used primarily in the wine and beverage industries. The standard involves measuring the capillary rise when the stoppers are dipped in a hydro-alcoholic solution containing a dye. Different methods are outlined based on varying concentrations of hydro-alcoholic solutions, tailored to provide flexibility in testing speed and accuracy. This standard applies to all ready-for-use cylindrical cork stoppers.

Key Topics

Test Methods: The standard describes three testing procedures with different solution concentrations and contact times:

Reference method: Uses a 12% vol. ethanolic solution, 24 hours contact.
Rapid method: Uses a 50% vol. ethanolic solution, 1 hour contact.
Very fast control method: Uses a 70% vol. ethanolic solution, 10 minutes contact.

Testing Procedure:

Cork stoppers are placed upright in a container with a colored hydro-alcoholic solution at a depth of 3 mm (or 6 mm for chamfered stoppers).
After the contact period, the capillary rise on the stopper surface is measured using a ruler with 0.5 mm accuracy.

Test Conditions:

Environmental temperature maintained at 21 °C ± 4 °C.
Relative air humidity at 60% ± 20%.
Cork stopper temperature verified at the start of testing.

Measurement and Reporting:

The maximum height of the capillary rise on the periphery is recorded in millimeters.
Occasional discontinuities and isolated rises are excluded from measurement.
Test reports include all relevant test conditions, sample identification, and any deviations.

Applications

Quality Control in Cork Production:

Manufacturers use ISO 9727-8:2022 to ensure cork stoppers meet capillarity standards critical for preserving beverage quality.
Capillarity testing prevents issues like unwanted leakage or premature oxidation.

Industry Compliance:

Wineries and bottling companies incorporate this standard to validate cork stopper batches, ensuring product safety and consistency during storage and transportation.

Research & Development:

Testing capillarity facilitates the development of improved cork formulations and treatments that optimize the sealing properties and longevity of cork stoppers.

Related Standards

ISO 633: Cork - Vocabulary This standard provides definitions and terminology relevant to cork, which supports consistent understanding and application of ISO 9727-8:2022.

Other Parts of ISO 9727 Series The ISO 9727 series covers various physical tests for cork stoppers, complementing capillarity determination with measurements such as permeability, mechanical strength, and dimensional stability.

Relevant Beverage Packaging Standards Aligning cork stopper standards with international beverage packaging requirements ensures comprehensive quality assurance.

By adhering to ISO 9727-8:2022, stakeholders in the cork and beverage industries benefit from standardized, reliable physical testing methods that support quality control, product safety, and enhanced consumer satisfaction.

ISO 9727-8:2022 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

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