SIST EN ISO 2418:2023 PDF

Name: SIST EN ISO 2418:2023 — Leather - Chemical, physical, mechanical and fastness tests - Position and preparation of specimens for testing (ISO 2418:2023)
SKU: SIST EN ISO 2418:2023
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Leather - Chemical, physical, mechanical and fastness tests - Position and preparation of specimens for testing (ISO 2418:2023)

Название (английский):

SIST EN ISO 2418:2023

Leather - Chemical, physical, mechanical and fastness tests - Position and preparation of specimens for testing (ISO 2418:2023)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 18
Дата публикации:: 13 марта 2023 г.
Издание:: ISO 2418:2023
ICS:: 59.140.30

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Описание (английский):

This document specifies the position of laboratory test specimens within a piece of leather and the method of labelling and marking the laboratory test specimens for future identification. In addition, this document specifies the design of press knives for cutting test pieces and the preparation of test pieces. It is applicable to all types of leather derived from mammals, irrespective of the tanning used. It is not applicable to leathers derived from birds, fish, reptiles or furs.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 2418:2023 - published by CEN and identical to ISO 2418:2023 - specifies how to locate, label and prepare laboratory specimens and test pieces from leather for chemical, physical, mechanical and colour‑fastness testing. It applies to all mammalian leathers regardless of tanning method and replaces the 2017 edition. The standard also defines the design of press knives used to cut test pieces and gives rules for storage and identification of official specimens.

Key topics and technical requirements

Scope and applicability

Applies only to leather derived from mammals; excludes bird, fish, reptile leathers and furs.

Definitions

Clear distinction between specimen (portion of hide/skin) and test piece (cut shape used in a specific test).

Segmentation and specimen positioning

Leather is segmented into bend/butt, shoulder and belly; specimen locations are defined relative to backbone and other landmarks.
When segment identity is unclear (partial hides, unclear sides), the laboratory is not responsible for incorrect segmentation assigned by the client.

Selection criteria

Specimens must be taken from areas free of obvious defects (scratches, flay cuts) and chosen to permit concurrent physical, chemical and colour‑fastness tests where practical.

Positioning for different test types

Specific guidance on where to take specimens for physical/mechanical tests vs chemical tests vs colour‑fastness testing (see clauses 4.1.3–4.1.5).

Identification and labelling

Methods for marking backbone direction and identifying official test specimens for traceability.

Press knife design and test piece preparation

Requirements for press knives used to cut repeatable test pieces and for the preparation procedures of those pieces.

Storage

Guidance for storing laboratory leather pieces and prepared specimens to preserve test integrity.

Practical applications

Ensures consistent, reproducible sampling across laboratories for:

Tensile and mechanical testing (e.g., ISO tensile methods)
Chemical analyses (residues, composition)
Colour and fastness testing

Supports quality control in tanneries, leather goods manufacturers, testing laboratories and certification bodies.

Useful for dispute resolution and arbitration because it standardizes specimen location, labelling and identification to reduce variability between labs.

SIST EN ISO 2418:2023 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who should use this standard

Related standards

Технические детали

ISO 2418:2023

Leather — Chemical, physical, mechanical and fastness tests — Position and preparation of specimens for testi…

ISO 15115:2019

Leather — Vocabulary

SIST EN ISO 3376:2020

Leather - Physical and mechanical tests - Determination of tensile strength and percentage elongation (ISO 33…