EN ISO 1043-4:2021/A1:2026
(Amendment)Plastics - Symbols and abbreviated terms - Part 4: Flame retardants - Amendment 1: New code numbers for flame retardants (ISO 1043-4:2021/Amd 1:2026)
Plastics - Symbols and abbreviated terms - Part 4: Flame retardants - Amendment 1: New code numbers for flame retardants (ISO 1043-4:2021/Amd 1:2026)
Kunststoffe - Kennbuchstaben und Kurzzeichen - Teil 4: Flammschutzmittel - Änderung 1: Neue Codenummern für Flammschutzmittel (ISO 1043-4:2021/Amd 1:2026)
Plastiques - Symboles et termes abrégés - Partie 4: Ignifuges - Amendement 1: Nouveaux nombres-codes (ISO 1043-4:2021/Amd 1:2026)
Polimerni materiali - Simboli in kratice - 4. del: Zaviralci gorenja - Dopolnilo A1 (ISO 1043-4:2021/Amd 1:2026)
General Information
- Status
- Published
- Publication Date
- 10-Mar-2026
- Technical Committee
- CEN/TC 249 - Plastics
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 11-Mar-2026
- Completion Date
- 11-Mar-2026
Relations
- Effective Date
- 12-Feb-2026
- Effective Date
- 18-Dec-2024
Overview
EN ISO 1043-4:2021/A1:2026 is a crucial amendment to the international standard for plastics, specifically addressing the symbols and abbreviated terms related to flame retardants. Published by the European Committee for Standardization (CEN), this document introduces new code numbers for various flame retardants to enhance clarity and consistency in the identification and classification of these substances. The amendment is officially recognized as part of the ongoing ISO 1043 series, widely used for standardized polymer terminology and coding systems. This ensures streamlined communication and compliance within the global plastics and polymer industries.
Key Topics
- Standardized Codes: Introduction of new code numbers for different classes of flame retardant compounds, such as nitrogen compounds and organic phosphorus compounds.
- Systematic Classification: Enables precise identification of flame retardant additives through a logical, internationally accepted coding system.
- Multi-language Availability: Officially published in English, French, and German, supporting harmonized implementation across Europe and beyond.
- Alignment with ISO and CEN Procedures: Developed by ISO/TC 61 and CEN/TC 249 technical committees, ensuring both international and European requirements are rigorously met.
Applications
The adoption of EN ISO 1043-4:2021/A1:2026 delivers significant practical value across the plastics sector:
- Product Labeling and Documentation: Manufacturers can accurately denote the specific flame retardant types used in plastic materials, supporting traceability and regulatory compliance.
- Technical Data Sheets: Simplifies the creation and interpretation of technical documents by employing standardized symbols and codes for flame retardants.
- Materials Selection: Assists designers, engineers, and procurement professionals in choosing plastics with required flame retardant properties for various end-use applications.
- Supply Chain Communication: Facilitates clear, consistent messaging about material properties in global supply chains, reducing errors and misunderstandings.
- Regulatory Compliance: Supports adherence to regional and international safety regulations by ensuring that flame retardant contents are correctly identified and communicated.
Related Standards
Enhancing its utility, this amendment functions within a broader context of interconnected standards for plastics and polymer materials:
- ISO 1043 Series: A comprehensive set of standards for polymer symbols and abbreviated terms, including parts for polymers, fillers, plasticizers, and other modifiers.
- ISO 1043-1: Base polymers and their symbols.
- ISO 1043-2: Fillers and reinforcing materials.
- ISO 1043-3: Plasticizers.
- ISO 1043-4: Flame retardants (main standard prior to this amendment).
- Other Relevant Codes:
- ICS 83.080.01: Plastics in general.
- ICS 01.075: Character symbols.
Organizations involved in plastics manufacturing, material specification, safety documentation, and compliance will significantly benefit from implementing this amendment. The updated codes help ensure cross-border consistency and facilitate better understanding in the increasingly globalized plastics market.
EN ISO 1043-4:2021/A1:2026 is an essential resource for anyone involved in the specification, processing, or regulation of plastics materials containing flame retardants. By ensuring that new and emerging flame retardant technologies are clearly and uniformly coded, it supports safer, more efficient, and more environmentally responsible use of plastics in countless applications.
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Frequently Asked Questions
EN ISO 1043-4:2021/A1:2026 is a amendment published by the European Committee for Standardization (CEN). Its full title is "Plastics - Symbols and abbreviated terms - Part 4: Flame retardants - Amendment 1: New code numbers for flame retardants (ISO 1043-4:2021/Amd 1:2026)". This standard covers: Plastics - Symbols and abbreviated terms - Part 4: Flame retardants - Amendment 1: New code numbers for flame retardants (ISO 1043-4:2021/Amd 1:2026)
Plastics - Symbols and abbreviated terms - Part 4: Flame retardants - Amendment 1: New code numbers for flame retardants (ISO 1043-4:2021/Amd 1:2026)
EN ISO 1043-4:2021/A1:2026 is classified under the following ICS (International Classification for Standards) categories: 83.040.30 - Auxiliary materials and additives for plastics; 83.080.01 - Plastics in general. The ICS classification helps identify the subject area and facilitates finding related standards.
EN ISO 1043-4:2021/A1:2026 has the following relationships with other standards: It is inter standard links to ISO 1043-4:2021/Amd 1:2026, EN ISO 1043-4:2021. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN ISO 1043-4:2021/A1:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-maj-2026
Polimerni materiali - Simboli in kratice - 4. del: Zaviralci gorenja - Dopolnilo A1
(ISO 1043-4:2021/Amd 1:2026)
Plastics - Symbols and abbreviated terms - Part 4: Flame retardants - Amendment 1:
New code numbers for flame retardants (ISO 1043-4:2021/Amd 1:2026)
Kunststoffe - Kennbuchstaben und Kurzzeichen - Teil 4: Flammschutzmittel - Änderung
1 (ISO 1043-4:2021/Amd 1:2026)
Plastiques - Symboles et termes abrégés - Partie 4: Ignifuges - Amendement 1:
Nouveaux nombres-codes (ISO 1043-4:2021/Amd 1:2026)
Ta slovenski standard je istoveten z: EN ISO 1043-4:2021/A1:2026
ICS:
01.075 Simboli za znake Character symbols
83.080.01 Polimerni materiali na Plastics in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 1043-4:2021/A1
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2026
EUROPÄISCHE NORM
ICS 83.040.30; 83.080.01
English Version
Plastics - Symbols and abbreviated terms - Part 4: Flame
retardants - Amendment 1: New code numbers for flame
retardants (ISO 1043-4:2021/Amd 1:2026)
Plastiques - Symboles et termes abrégés - Partie 4: Kunststoffe - Kennbuchstaben und Kurzzeichen - Teil
Ignifuges - Amendement 1: Nouveaux nombres-codes 4: Flammschutzmittel - Änderung 1 (ISO 1043-
(ISO 1043-4:2021/Amd 1:2026) 4:2021/Amd 1:2026)
This amendment A1 modifies the European Standard EN ISO 1043-4:2021; it was approved by CEN on 3 July 2025.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This amendment exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 1043-4:2021/A1:2026 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 1043-4:2021/A1:2026) has been prepared by Technical Committee ISO/TC 61
"Plastics" in collaboration with Technical Committee CEN/TC 249 “Plastics” the secretariat of which is
held by SIS.
This Amendment to the European Standard EN ISO 1043-4:2021 shall be given the status of a national
standard, either by publication of an identical text or by endorsement, at the latest by September 2026,
and conflicting national standards shall be withdrawn at the latest by September 2026.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 1043-4:2021/Amd 1:2026 has been approved by CEN as EN ISO 1043-4:2021/A1:2026
without any mod
...
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