Fibre-reinforced plastics - Methods of producing test plates - Part 1: General conditions

The various parts of ISO 1268 (see the foreword) describe methods used to prepare reinforced-plastics plates from which test specimens can be cut. This allows the properties of a composite, or the constituents of the composite, to be determined. The methods are intended to cover all the main types of reinforcement and resin matrix. The choice of test plate preparation method depends on: a) the reinforcement:  its nature (glass, carbon, aramid, etc.);  its form (roving, mat, woven fabric, etc.);  its orientation with respect to the length, width and thickness of the plate;  its content in the reinforced plastic; b) the matrix (thermosetting or thermoplastic); c) the magnitude expected for the properties; d) the production process that is to be evaluated. Since the mechanical properties of a reinforced plastic are known to be dependent on the process by which the plastic is produced, it is recommended that the test plates be prepared, if possible, by the same method that will be used to produce the plastic. This part of ISO 1268 describes the general requirements common to all the methods.

Plastiques renforcés de fibres — Méthodes de fabrication de plaques d'essai — Partie 1: Conditions générales

Les différentes parties de l'ISO 1268 (voir l'avant-propos) décrivent les principales méthodes de fabrication de plaques en plastiques renforcés destinées à l'obtention d'éprouvettes d'essai. Ceci permet l'évaluation des propriétés du composite ou des constituants du composite. Ces méthodes peuvent être utilisées pour tous les principaux types de renforts et de matrices. Le choix de la méthode de fabrication des plaques d'essai est fonction: a) du renfort:  sa nature (verre, carbone, aramide, etc.);  sa forme (stratifil, mat, tissu, etc.);  son orientation par rapport à la longueur, largeur et épaisseur de la plaque;  sa teneur dans le plastique renforcé; b) de la matrice (thermodurcissable ou thermoplastique); c) du niveau de performances escompté; d) du procédé de mise en oeuvre que l'on cherche à évaluer. L'influence du procédé de mise en oeuvre étant prépondérant sur le niveau des propriétés mécaniques du plastique renforcé obtenu, il est essentiel de fabriquer les plaques d'essai en utilisant, si possible, le même procédé que celui qui sera utilisé en production. La présente partie de l'ISO 1268 décrit les conditions générales requises communes à toutes les méthodes.

General Information

Status
Published
Publication Date
05-Dec-2001
Current Stage
9093 - International Standard confirmed
Start Date
05-Oct-2021
Completion Date
13-Dec-2025

Relations

Effective Date
06-Jun-2022
Effective Date
15-Apr-2008

Overview

ISO 1268-1:2001 specifies the general conditions for producing test plates of fibre-reinforced plastics (FRP). It is part of the ISO 1268 series that defines standardized methods for preparing reinforced-plastics plates, which serve as the foundation for cutting test specimens. These specimens allow accurate determination of the mechanical and physical properties of composites, including their reinforcement fibres and resin matrices.

This standard applies to all primary types of reinforcements (such as glass, carbon, and aramid fibres) and matrix materials (thermosetting or thermoplastic). It establishes guidelines to ensure the reproducibility and validity of test results by recommending that test plates be produced using the same manufacturing process as the final reinforced plastic product.

Key Topics

  • Scope and Application
    ISO 1268-1 addresses general requirements common to all test plate production methods and guides the selection of production techniques based on reinforcement type, matrix nature, reinforcement orientation, fibre content, expected property magnitudes, and production process evaluation.

  • Materials and Preparation
    The standard emphasizes precise identification and storage of raw materials and semi-finished products such as reinforcements, resins, additives, and prepregs. It mandates usage within shelf lives to maintain material integrity.

  • Plate Dimensions and Reinforcement
    Dimensions of plates depend on materials and chosen methods, with recommendations ensuring plates accommodate specific test types, e.g., tensile testing in multiple directions requires a minimum plate size of 250 mm square. Reinforcement content must match that of actual production materials to yield relevant test data.

  • Laboratory Apparatus and Procedure
    Production equipment must maintain accurate temperature and pressure controls with continuous monitoring and recording capabilities. Procedures vary depending on methods (described in other ISO 1268 parts), but this part sets a baseline for all.

  • Quality Verification
    Before specimen cutting, plates must be inspected for fibre content, porosity (void content), density, and dimensional accuracy using standardized tests complying with ISO 1172, ISO 7822, and ISO 1183 as applicable.

  • Marking and Traceability
    Plates require clear marking for mould identification, side orientation, fibre lay-up sequence, and production directions. Marking conventions follow related ISO standards to facilitate traceability and reproducibility.

  • Documentation and Reporting
    A detailed test plate preparation report must be generated, recording all relevant production details, material descriptions, equipment used, operating conditions, characteristics measured, and any deviations from the standard.

Applications

ISO 1268-1:2001 is essential in the composite materials industry for:

  • Producing international standard test specimens used in material characterization, research and development, and quality control.
  • Facilitating consistent evaluation of diverse fibre-reinforced plastics across varying reinforcement types and manufacturing techniques.
  • Supporting manufacturers, testing laboratories, and certification bodies in establishing reliable data on composite mechanical behavior.
  • Enabling methodical comparison between different production processes and their effects on composite properties.
  • Assisting in regulatory compliance by ensuring test plates meet universally accepted preparation criteria.

Related Standards

ISO 1268-1 is the foundational part of the series covering fibre-reinforced plastics test plate production. Related parts include:

  • ISO 1268-2: Contact and spray-up moulding of test plates.
  • ISO 1268-3: Wet compression moulding techniques.
  • ISO 1268-4: Moulding of prepregs.
  • ISO 1268-5: Filament winding procedures.
  • ISO 1268-6 to ISO 1268-11: Various moulding methods including pultrusion, resin transfer, compression of SMC/BMC, GMT/STC molding, and injection moulding of long-fibre compounds.

Other relevant standards that support the test plate methods include:

  • ISO 1172: Determination of textile-glass and mineral-filler content.
  • ISO 7822: Determination of void content in reinforced plastics.
  • ISO 1183: Density measurement methods for plastics.
  • ISO 472: Vocabulary of plastics terminology.

By adhering to ISO 1268-1:2001, organizations ensure the production of high-quality, standardized test plates for fibre-reinforced plastics - a critical step in validating composite materials' performance and facilitating innovation in composite manufacturing.

Standard

ISO 1268-1:2001 - Fibre-reinforced plastics -- Methods of producing test plates

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ISO 1268-1:2001 - Plastiques renforcés de fibres -- Méthodes de fabrication de plaques d'essai

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Frequently Asked Questions

ISO 1268-1:2001 is a standard published by the International Organization for Standardization (ISO). Its full title is "Fibre-reinforced plastics - Methods of producing test plates - Part 1: General conditions". This standard covers: The various parts of ISO 1268 (see the foreword) describe methods used to prepare reinforced-plastics plates from which test specimens can be cut. This allows the properties of a composite, or the constituents of the composite, to be determined. The methods are intended to cover all the main types of reinforcement and resin matrix. The choice of test plate preparation method depends on: a) the reinforcement:  its nature (glass, carbon, aramid, etc.);  its form (roving, mat, woven fabric, etc.);  its orientation with respect to the length, width and thickness of the plate;  its content in the reinforced plastic; b) the matrix (thermosetting or thermoplastic); c) the magnitude expected for the properties; d) the production process that is to be evaluated. Since the mechanical properties of a reinforced plastic are known to be dependent on the process by which the plastic is produced, it is recommended that the test plates be prepared, if possible, by the same method that will be used to produce the plastic. This part of ISO 1268 describes the general requirements common to all the methods.

The various parts of ISO 1268 (see the foreword) describe methods used to prepare reinforced-plastics plates from which test specimens can be cut. This allows the properties of a composite, or the constituents of the composite, to be determined. The methods are intended to cover all the main types of reinforcement and resin matrix. The choice of test plate preparation method depends on: a) the reinforcement:  its nature (glass, carbon, aramid, etc.);  its form (roving, mat, woven fabric, etc.);  its orientation with respect to the length, width and thickness of the plate;  its content in the reinforced plastic; b) the matrix (thermosetting or thermoplastic); c) the magnitude expected for the properties; d) the production process that is to be evaluated. Since the mechanical properties of a reinforced plastic are known to be dependent on the process by which the plastic is produced, it is recommended that the test plates be prepared, if possible, by the same method that will be used to produce the plastic. This part of ISO 1268 describes the general requirements common to all the methods.

ISO 1268-1:2001 is classified under the following ICS (International Classification for Standards) categories: 83.120 - Reinforced plastics. The ICS classification helps identify the subject area and facilitates finding related standards.

ISO 1268-1:2001 has the following relationships with other standards: It is inter standard links to ISO 19111:2007, ISO 1268:1974. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

You can purchase ISO 1268-1:2001 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 1268-1
First edition
2001-12-01
Fibre-reinforced plastics — Methods of
producing test plates —
Part 1:
General conditions
Plastiques renforcés de fibres — Méthodes de fabrication de plaques
d'essai —
Partie 1: Conditions générales

Reference number
©
ISO 2001
PDF disclaimer
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be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this
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were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event
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©  ISO 2001
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic
or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body
in the country of the requester.
ISO copyright office
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Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
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Printed in Switzerland
ii © ISO 2001 – All rights reserved

Contents Page
Foreword.iv
1 Scope.1
2 Normative references.1
3 Terms and definitions .2
4 Health and safety.2
5 Principle.2
6 Raw materials and semi-finished products .2
7 Plate dimensions.2
8 Reinforcement.2
9 General requirements for the laboratory/workshop apparatus .2
10 Procedure.3
11 Verification of the characteristics of the plates obtained .3
12 Marking.3
13 Test plate preparation report.4

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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.
The main task of technical committees is to prepare International Standards. Draft International Standards adopted
by the technical committees are circulated to the member bodies for voting. Publication as an International
Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this part of ISO 1268 may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 1268-1 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 13, Composites and
reinforcement fibres.
Together with the other parts (see below), this part of ISO 1268 cancels and replaces ISO 1268:1974, which has
been technically revised.
ISO 1268 consists of the following parts, under the general title Fibre-reinforced plastics — Methods of producing
test plates:
 Part 1: General conditions
 Part 2: Contact and spray-up moulding
 Part 3: Wet compression moulding
 Part 4: Moulding of prepregs
 Part 5: Filament winding
 Part 6: Pultrusion moulding
 Part 7: Resin transfer moulding
 Part 8: Compression moulding of SMC and BMC
 Part 9: Moulding of GMT/STC
 Part 10: Injection moulding of SMC and other long-fibre moulding compounds — General principles and
moulding of multipurpose test specimens
 Part 11: Injection moulding of SMC and other long-fibre moulding compounds — Small plates

iv © ISO 2001 – All rights reserved

INTERNATIONAL STANDARD ISO 1268-1:2001(E)

Fibre-reinforced plastics — Methods of producing test plates —
Part 1:
General conditions
1 Scope
The various parts of ISO 1268 (see the foreword) describe methods used to prepare reinforced-plastics plates from
which test specimens can be cut. This allows the properties of a composite, or the constituents of the composite, to
be determined. The methods are intended to cover all the main types of reinforcement and resin matrix.
The choice of test plate preparation method depends on:
a) the reinforcement:
 its nature (glass, carbon, aramid, etc.);
 its form (roving, mat, woven fabric, etc.);
 its orientation with respect to the length, width and thickness of the plate;
 its content in the reinforced plastic;
b) the matrix (thermosetting
...


NORME ISO
INTERNATIONALE 1268-1
Première édition
2001-12-01
Plastiques renforcés de fibres — Méthodes
de fabrication de plaques d'essai —
Partie 1:
Conditions générales
Fibre-reinforced plastics — Methods of producing test plates —
Part 1: General conditions
Numéro de référence
©
ISO 2001
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Secrétariat central à l'adresse donnée ci-dessous.

©  ISO 2001
Droits de reproduction réservés. Sauf prescription différente, 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 et les microfilms, sans l'accord écrit de l’ISO à
l’adresse ci-après ou du comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax. + 41 22 749 09 47
E-mail copyright@iso.ch
Web www.iso.ch
Imprimé en Suisse
ii © ISO 2001 – Tous droits réservés

Sommaire Page
Avant-propos .iv
1 Domaine d'application.1
2 Références normatives.1
3 Termes et définitions.2
4 Hygiène et sécurité.2
5 Principes.2
6 Matières premières et produits semi-finis .2
7 Dimensions des plaques.2
8 Renfort.2
9 Prescriptions générales relatives à l'appareillage utilisé dans le laboratoire ou l'atelier.3
10 Modes opératoires.3
11 Vérification des caractéristiques de la plaque obtenue .3
12 Marquage.3
13 Rapport de fabrication de plaque(s) .4

Avant-propos
L'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 (CEI) en ce qui concerne la normalisation électrotechnique.
Les Normes internationales sont rédigées conformément aux règles données dans les Directives ISO/CEI,
Partie 3.
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 de la présente partie de l'ISO 1268 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 1268-1 a été élaborée par le comité technique ISO/TC 61, Plastiques, sous-comité SC 13, Composites et
fibres de renforcement.
La présente partie de l'ISO 1268, ainsi que toutes les autres parties (voir ci-dessous), annule et remplace
l'ISO 1268:1974, qui a fait l'objet d'une révision technique.
L'ISO 1268 comprend les parties suivantes, présentées sous le titre général Plastiques renforcés de fibres —
Méthodes de fabrication de plaques d'essai:
 Partie 1: Conditions générales
 Partie 2: Moulage au contact et par projection
 Partie 3: Moulage par compression voie humide
 Partie 4: Moulage des préimprégnés
 Partie 5: Moulage par enroulement filamentaire
 Partie 6: Moulage par pultrusion
 Partie 7: Moulage par transfert de résine
 Partie 8: Moulage par compression des SMC et des BMC
 Partie 9: Moulage des GMT/STC
 Partie 10: Moulage par injection de SMC et d’autres mélanges à mouler à longues fibres — Principes
généraux et moulage des éprouvettes à usages multiples
 Partie 11: Moulage par injection de SMC et d’autres mélanges à mouler à longues fibres — Plaques de petites
dimensions
iv © ISO 2001 – Tous droits réservés

NORME INTERNATIONALE ISO 1268-1:2001(F)

Plastiques renforcés de fibres — Méthodes de fabrication de
plaques d'essai —
Partie 1:
Conditions générales
1 Domaine d'application
Les différentes parties de l'ISO 1268 (voir l'avant-propos) décrivent les principales méthodes de fabrication de
plaques en plastiques renforcés destinées à l'obtention d'éprouvettes d'essai. Ceci permet l'évaluation des
propriétés du composite ou des constituants du composite. Ces méthodes peuvent être utilisées pour tous les
principaux types de renforts et de matrices.
Le choix de la méthode de fabrication des plaques d'essai est fonction:
a) du renfort:
 sa nature (verre, carbone, aramide, etc.);
 sa forme (stratifil, mat, tissu, etc.);
 son orientation par rapport à la longueur, largeur et épaisseur de la plaque;
 sa teneur dans le plastique renforcé;
b) de la matrice (thermodurcissable ou thermoplastique);
c) du n
...

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