EN 4708-203:2022
(Main)Aerospace series - Sleeving, heat-shrinkable, for binding, insulation and identification - Part 203: polyvinylidene fluoride (PVDF) Identification sleeves - Operating Temperature range -55ºC to 225ºC - Product Standard
Aerospace series - Sleeving, heat-shrinkable, for binding, insulation and identification - Part 203: polyvinylidene fluoride (PVDF) Identification sleeves - Operating Temperature range -55ºC to 225ºC - Product Standard
This document specifies the required characteristics for heat-shrinkable semi rigid polyvinylidene identification sleeves for use in aircraft electrical systems at operating temperatures between -55 °C and 225 °C.
This specification is for the characterisation of Identification sleeves only.
This sleeving is a semi rigid tough product and is suitable for use where high temperatures and extreme fluid resistance properties are required.
It is available with a shrink ratio of 2:1.
The product is normally supplied with internal diameters up to 38 mm
The standard colours are white, black or yellow
For use at temperatures above 200 °C black with white or silver ink is recommended
Sizes or colours other than those specifically listed in this standard may be available. These items shall be considered to comply with this document if they comply with the property requirements listed in tables 2 and 3 except for dimensions and mass.
As the sleeving to be tested is a printed article the complete system is to be recorded as part of the evaluation. The sleeve will only be considered as meeting the requirements of this specification if printed with the printer, ribbon/inks and settings referenced within the test report.
Mark adherence and print permanence are determined in this document using method EN 6059-407.
Luft- und Raumfahrt - Wärmeschrumpfender Schlauch zur Befestigung, Isolierung und Identifizierung - Teil 203: Kennzeichnungsschlauch aus Polyvinylidenfluorid (PVDF), Betriebstemperaturbereich -55 °C bis 225 °C - Produktnorm
Série aérospatiale - Manchons thermorétractables, de jonction, isolement et identification - Partie 203 : Manchons d’identification en polyfluorure de vinylidène (PVDF) - Températures d'utilisation -55 °C à 225 °C - Norme de produit
Le présent document spécifie les caractéristiques requises pour les manchons d’identification semi-rigides en polyfluorure de vinylidène destinés à une utilisation dans les systèmes électriques des aéronefs à des températures de fonctionnement comprises entre –55 °C et 225 °C.
Cette spécification est uniquement destinée à la caractérisation des manchons d’identification.
Ce type de manchon est un produit semi-rigide, solide et est adapté à un usage nécessitant des propriétés de résistance extrême aux fluides et aux températures élevées.
Il est proposé avec un coefficient de rétreint de 2:1.
Le produit est normalement fourni avec des diamètres intérieurs allant jusqu’à 38 mm.
Les couleurs usuelles sont le blanc, le noir ou le jaune.
Pour une utilisation à des températures supérieures à 200 °C, il est recommandé d'utiliser du noir avec de l'encre blanche ou argentée.
D’autres tailles ou d’autres couleurs que celles mentionnées spécifiquement dans la présente norme peuvent être disponibles. Ces articles doivent être considérés comme conformes au présent document s’ils répondent aux exigences de propriétés présentées dans le Tableau 2 et le Tableau 3, exception faite des dimensions et masses.
Étant donné que le manchon à soumettre à essai est un article imprimé, il est nécessaire d’enregistrer le système complet en tant que partie intégrante de l’évaluation. Le manchon ne sera considéré comme respectant les exigences de la présente spécification que s’il est marqué à l’aide de l’imprimante, du ruban, des encres et des paramètres référencés dans le rapport d’essai.
L’adhérence du marquage et la permanence de l'impression sont déterminées dans le présent document à l’aide de la méthode EN 6059-407.
Aeronavtika - Toplotno skrčljive cevke za povezovanje, izolacijo in prepoznavanje - 203. del: Polivinilidensko kloridne dentifikacijske cevke iz (PVDF) – Obratovalno temperaturno območje med –55 °C in 225 °C - Standard za proizvod
Ta dokument določa zahtevane lastnosti za toplotno skrčljive poltoge polivinilidenske identifikacijske cevke za uporabo v električnih sistemih letal pri obratovalnih temperaturah med –55 °C in 225 °C.
Ta specifikacija je namenjena samo določanju lastnosti identifikacijskih cevk.
Te cevke so poltoge in vzdržljive ter so primerne za uporabo, kadar se zahtevata visoka temperatura in izjemna odpornost proti tekočinam.
Na voljo so v razmerju krčenja 2:1.
Izdelek je običajno dobavljiv z notranjimi premeri do 38 mm.
Standardna barva je bela, črna ali rumena.
Za uporabo pri temperaturah nad 200 °C se priporoča črno-belo ali srebrno črnilo.
Na voljo so lahko tudi druge velikosti in barve, ki niso posebej navedene v tem standardu. Te postavke so obravnavne kot skladne s tem dokumentom, če izpolnjujejo zahteve za lastnosti v preglednicah 2 in 3, razen zahtev za mere in maso.
Cevke za preskušanje so natisnjen izdelek, zato je treba pri ocenjevanju zabeležiti celoten sistem. Cevka izpolnjuje zahteve tega dokumenta le, če je natisnjena s tiskalnikom, trakom, črnilom in nastavitvami, navedenimi v poročilu o preskusu.
Oprijemljivost oznak in obstojnost odtisov sta v tem dokumentu določena z uporabo metode iz standarda EN 6059-407.
General Information
Overview
EN 4708-203:2022 is a European standard developed by CEN that specifies the product requirements for heat-shrinkable polyvinylidene fluoride (PVDF) identification sleeves used in aerospace electrical systems. These semi-rigid, tough sleeving products are designed for use in aircraft applications where operating temperatures range from -55ºC to 225ºC. The standard ensures sleeves provide reliable binding, insulation, and identification performance under extreme temperature and fluid exposure conditions.
Key features of this standard include:
- Heat-shrinkable PVDF material with a 2:1 shrink ratio
- Internal diameters up to 38 mm
- Standard color options: white, black, yellow
- Special recommendations for use above 200ºC (black sleeves with white or silver ink)
- Strict requirements for print permanence and mark adherence based on EN 6059-407 test methods
This standard targets manufacturers, aerospace engineers, and quality assurance professionals involved in the design, testing, and procurement of aerospace-grade identification sleeving.
Key Topics
Material and Construction
- Semi-rigid polyvinylidene fluoride (PVDF) material
- Designed to withstand harsh aerospace environments including high temperatures and exposure to aggressive fluids
- Shrink ratio of 2:1 ensures tight fit after application
Performance Requirements
- Operating temperature range from -55°C to 225°C
- Fluid resistance against aviation fuels, hydraulic fluids, oils, cleaning solvents, de-icing fluids, and avionic coolants
- Strict dimensional and mass criteria to ensure consistent quality (internal diameter, wall thickness, mass per unit length)
- Mechanical properties include minimum tensile strength of 10 MPa and elongation at break over 150%
Print Durability and Marking
- Sleeves are printed with alphanumeric characters covering 75% of the surface as part of identification
- Print permanence and mark adherence tested using EN 6059-407
- Printing must be verified with specific printers, ribbons, inks, and settings documented in test reports
Testing and Quality Assurance
- Comprehensive tests including heat shock, heat aging, low-temperature bending, resistance to fluids, flame propagation, and fungus resistance
- Detailed test report requirements to document sleeve description, printing methods, test results, and observations
- Compliance monitored through continuous quality assurance as per EN 4708-001
Applications
EN 4708-203 PVDF identification sleeves are critical components in aerospace electrical wiring systems where consistent electrical insulation and reliable wire identification are essential under demanding environmental conditions. Typical applications include:
- Aircraft electrical harnesses: Ensuring wire bundles remain insulated and identifiable at extreme temperatures during flight and ground operations
- Avionics and control systems: Durable sleeving for protecting sensitive wiring against fluids such as hydraulic oils, fuel, and de-icing chemicals
- Maintenance and inspection labeling: Permanent marking that resists abrasion, temperature cycling, and chemical exposure, facilitating aircraft servicing and traceability
- High-temperature engine compartments: Sleeves that maintain integrity and identification legibility up to 225ºC
- Harsh environmental conditions: Resistant in aerospace environments exposed to UV light, cleaning solvents, and microbial attack
Related Standards
- EN 4708-001:2019 – General technical specifications for heat-shrinkable sleeving products used in aerospace
- EN 6059-407 – Test methods for mark adherence and print permanence on identification materials
- EN 3909:2016 – Aerospace test fluids and testing methods for electrical and optical components
- IEC 60684 Series – Flexible insulating sleeving standards covering definitions and test methods
- ISO 1817:2022 – Rubber and polymer testing for fluid resistance evaluation
- ISO 846:2019 – Evaluation of microorganisms effect on plastics (fungus resistance)
- SAE AMS1428 – Aircraft de-icing and anti-icing fluids specification
Summary
EN 4708-203:2022 provides a rigorous framework for manufacturing and testing semi-rigid, heat-shrinkable PVDF identification sleeves engineered for aerospace electrical harnessing applications. By adhering to this standard, industry stakeholders ensure that sleeving products deliver consistent insulation, marking durability, and fluid resistance essential for safety and performance in extreme aviation environments. This standard supports quality assurance, regulatory compliance, and operational reliability within modern aerospace manufacturing and maintenance processes.
Frequently Asked Questions
EN 4708-203:2022 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Sleeving, heat-shrinkable, for binding, insulation and identification - Part 203: polyvinylidene fluoride (PVDF) Identification sleeves - Operating Temperature range -55ºC to 225ºC - Product Standard". This standard covers: This document specifies the required characteristics for heat-shrinkable semi rigid polyvinylidene identification sleeves for use in aircraft electrical systems at operating temperatures between -55 °C and 225 °C. This specification is for the characterisation of Identification sleeves only. This sleeving is a semi rigid tough product and is suitable for use where high temperatures and extreme fluid resistance properties are required. It is available with a shrink ratio of 2:1. The product is normally supplied with internal diameters up to 38 mm The standard colours are white, black or yellow For use at temperatures above 200 °C black with white or silver ink is recommended Sizes or colours other than those specifically listed in this standard may be available. These items shall be considered to comply with this document if they comply with the property requirements listed in tables 2 and 3 except for dimensions and mass. As the sleeving to be tested is a printed article the complete system is to be recorded as part of the evaluation. The sleeve will only be considered as meeting the requirements of this specification if printed with the printer, ribbon/inks and settings referenced within the test report. Mark adherence and print permanence are determined in this document using method EN 6059-407.
This document specifies the required characteristics for heat-shrinkable semi rigid polyvinylidene identification sleeves for use in aircraft electrical systems at operating temperatures between -55 °C and 225 °C. This specification is for the characterisation of Identification sleeves only. This sleeving is a semi rigid tough product and is suitable for use where high temperatures and extreme fluid resistance properties are required. It is available with a shrink ratio of 2:1. The product is normally supplied with internal diameters up to 38 mm The standard colours are white, black or yellow For use at temperatures above 200 °C black with white or silver ink is recommended Sizes or colours other than those specifically listed in this standard may be available. These items shall be considered to comply with this document if they comply with the property requirements listed in tables 2 and 3 except for dimensions and mass. As the sleeving to be tested is a printed article the complete system is to be recorded as part of the evaluation. The sleeve will only be considered as meeting the requirements of this specification if printed with the printer, ribbon/inks and settings referenced within the test report. Mark adherence and print permanence are determined in this document using method EN 6059-407.
EN 4708-203:2022 is classified under the following ICS (International Classification for Standards) categories: 49.035 - Components for aerospace construction; 49.060 - Aerospace electric equipment and systems. The ICS classification helps identify the subject area and facilitates finding related standards.
You can purchase EN 4708-203:2022 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 CEN standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-marec-2023
Aeronavtika - Toplotno skrčljive cevke za povezovanje, izolacijo in prepoznavanje
- 203. del: Polivinilidensko kloridne dentifikacijske cevke iz (PVDF) – Obratovalno
temperaturno območje med –55 °C in 225 °C - Standard za proizvod
Aerospace series - Sleeving, heat-shrinkable, for binding, insulation and identification -
Part 203: polyvinylidene fluoride (PVDF) Identification sleeves - Operating Temperature
range -55ºC to 225ºC - Product Standard
Luft- und Raumfahrt - Wärmeschrumpfender Schlauch zur Befestigung, Isolierung und
Identifizierung - Teil 203: Kennzeichnungsschlauch aus Polyvinylidenfluorid (PVDF),
Betriebstemperaturbereich -55 °C bis 225 °C - Produktnorm
Série aérospatiale - Manchons thermorétractables, de jonction, isolement et identification
- Partie 203 : Manchons d’identification en polyfluorure de vinylidène (PVDF) -
Températures d'utilisation -55 °C à 225 °C - Norme de produit
Ta slovenski standard je istoveten z: EN 4708-203:2022
ICS:
49.025.40 Guma in polimerni materiali Rubber and plastics
49.060 Letalska in vesoljska Aerospace electric
električna oprema in sistemi equipment and systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 4708-203
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2022
EUROPÄISCHE NORM
ICS 49.035; 49.060
English Version
Aerospace series - Sleeving, heat-shrinkable, for binding,
insulation and identification - Part 203: polyvinylidene
fluoride (PVDF) Identification sleeves - Operating
Temperature range -55ºC to 225ºC - Product Standard
Série aérospatiale - Manchons thermorétractables, de Luft- und Raumfahrt - Wärmeschrumpfender Schlauch
jonction, isolement et identification - Partie 203 : zur Befestigung, Isolierung und Identifizierung - Teil
Manchons d'identification en polyfluorure de 203: Kennzeichnungsschlauch aus Polyvinylidenfluorid
vinylidène (PVDF) - Températures d'utilisation -55 °C à (PVDF), Betriebstemperaturbereich -55 °C bis 225 °C -
225 °C - Norme de produit Produktnorm
This European Standard was approved by CEN on 24 July 2022.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a 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 European Standard 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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4708-203:2022 E
worldwide for CEN national Members.
Contents Page
European Foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 5
4 Required characteristics . 5
4.1 Dimensions and mass . 5
4.2 Conditions of test . 5
4.3 Tests . 7
4.4 Resistance to fluids . 9
5 Test report . 10
6 Quality assurance . 11
7 Designation . 11
8 Labelling and packaging . 11
9 Technical specification . 11
European Foreword
This document (EN 4708-203:2022) has been prepared by the Aerospace and Defence Industries
Association of Europe — Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this document
has received the approval of the National Associations and the Official Services of the member
countries of ASD-STAN, prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by June 2023, and conflicting national standards shall
be withdrawn at the latest by June 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject
of patent rights. CEN [and/or CENELEC] 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. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations 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.
1 Scope
This document specifies the required characteristics for heat-shrinkable semi rigid polyvinylidene
identification sleeves for use in aircraft electrical systems at operating temperatures between -55 °C and
225 °C.
This specification is for the characterisation of Identification sleeves only.
This sleeving is a semi rigid tough product and is suitable for use where high temperatures and extreme
fluid resistance properties are required.
It is available with a shrink ratio of 2 : 1.
The product is normally supplied with internal diameters up to 38 mm.
The standard colours are white, black or yellow.
°
For use at temperatures above 200 C black with white or silver ink is recommended.
Sizes or colours other than those specifically listed in this standard may be available. These items are
considered to comply with this document if they comply with the property requirements listed in tables 2
and 3 except for dimensions and mass.
As the sleeving to be tested is a printed article the complete system is to be recorded as part of the
evaluation. The sleeve will only be considered as meeting the requirements of this document if printed
with the printer, ribbon/inks and settings referenced within the test report.
Mark adherence and print permanence are determined in this document using method EN 6059-407.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 3909:2016, Aerospace series — Test fluids and test methods for electrical and optical components and
sub-assemblies
EN 4708-001:2019, Aerospace series — Sleeving, heat-shrinkable, for binding, insulation and
identification — Part 001: Technical specification
IEC 60684-1, Specification for flexible insulating sleeving — Part 1: Definitions and general requirem
...
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