Foreword

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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).

ISO draws attention to the possibility that the implementation of this document may involve the use of (a) patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a) patent(s) which may be required to implement this document. However, implementers are cautioned that this may not represent the latest information, which may be obtained from the patent database available at www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.

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This document was prepared by Technical Committee ISO/TC 122, Packaging, Subcommittee SC 3, Performance requirements and tests for means of packaging, packages and unit loads, in collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC 261, Packaging, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).

This second edition cancels and replaces the first edition (ISO 6591-1:1984), which has been technically revised.

The main changes are as follows:

figures have been updated and supplemented with additional details to improve clarity and accuracy;
specific procedural requirements have been clarified for sacks with and without a moisture barrier;
the test report has been enhanced with additional information requirements.

A list of all parts in the ISO 6591 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A complete listing of these bodies can be found at www.iso.org/members.html.

1 Scope

This document specifies the dimensions of empty paper sacks and specifies a method of measuring those dimensions.

2 Normative references

3 Terms and definitions

4 Dimensions

4.1 General

4.2 Valve position

5 Apparatus

5.1

6 Sampling

7 Procedure

8 Test report

ISO 6591-1:2026

Packaging. Dimensions and method of measurement — - Part 1: Empty paper sacks

Current

Published:

20 Apr 2026

1 Scope