SIST EN 4708-101:2017
(Main)Aerospace series - Sleeving, heat-shrinkable, for binding, insulation and identification - Part 101: Polyolefin sleeving - Operating temperatures -55 °C to 135 °C - Product standard
Aerospace series - Sleeving, heat-shrinkable, for binding, insulation and identification - Part 101: Polyolefin sleeving - Operating temperatures -55 °C to 135 °C - Product standard
This European Standard specifies the required characteristics for four types of heat-shrinkable polyolefin sleevings for use in aircraft electrical systems at operating temperatures between − 55 °C and 135 °C.
Type A: Very flexible, flame retarded, shrink ratio 2:1
This sleeving has very good flexibility, is flame retarded and will shrink at low temperatures. It is suitable where sensitive components and delicate wiring need protection from excessive heat during shrinking.
Type B: Flexible, flame retarded, shrink ratio 2:1, 3:1 and 4:1
This sleeving is flexible and flame retarded. It is suitable for general purposes and is available with high shrink ratios.
Type C: Flexible, not flame retarded, shrink ratio 2:1 and 3:1
This sleeving is flexible and not flame retarded and is available in two shrink ratios.
Type D: Semi-rigid, flame retarded, shrink ratio 2:1
This sleeving is semi-rigid and flame retarded. It is suitable where strain relief and mechanical support are required
Luft- und Raumfahrt - Wärmeschrumpfender Schlauch zur Befestigung, Isolierung und Identifizierung - Teil 101: Polyolefin Schlauch - Temperaturbereich -55 °C bis 135 °C - Produktnorm
Série aérospatiale - Manchons thermorétractables, de jonction, isolement et identification - Partie 101: Gaine polyoléfine - Températures d'utilisation -55 °C à 135 °C - Norme de produit
Aeronavtika - Toplotno skrčljiva cev za utrjevanje, izolacijo in identifikacijo - 101. del: Poliolefinske cevi - Delovne temperature od –55 °C do 135 °C - Standard za proizvod
Ta evropski standard določa zahtevane značilnosti za štiri vrste toplotno skrčljivih poliolefinskih cevi za uporabo v letalih električnih sistemih pri delovni temperaturi med −55 °C in 135 °C.
Vrsta A: Zelo prožna, ognjeodporna, razmerje krčenja 2:1
Ta cev je zelo prožna, ognjeodporna in se krči pri nizkih temperaturah. Primerna je za zaščito občutljivih komponent in napeljave pred prekomerno toploto med krčenjem.
Vrsta B: Prožna, ognjeodporna, razmerje krčenja 2:1, 3:1 in 4:1
Ta cev je prožna in ognjeodporna. Primerna je za splošno uporabo in je na voljo z visokimi razmerji krčenja.
Vrsta C: Prožna, ni ognjeodporna, razmerje krčenja 2:1 in 3:1
Ta cev je prožna in ni ognjeodporna ter je na voljo v dveh razmerjih krčenja.
Vrsta D: Poltoga, ognjeodporna, razmerje krčenja 2:1
Ta cev je poltoga in ognjeodporna. Primerna je, kjer sta potrebni razbremenitev in mehanska podpora. Te cevi so običajno dobavljive z notranjimi premeri do 102 mm za razmerji krčenja 2:1 in 4:1 ter do 39 mm za razmerje krčenja 3:1 in v naslednjih barvah za vrsto B: črna, rjava, rdeča, rumena, zelena, modra, oranžna, vijolična, siva, bela in zelena/rumena. Vrsti A in D sta samo črne barve.
Vrsta C je prosojna, ni ognjeodporna in ne izpolnjuje zahtev glede vnetljivosti iz standarda EN 4708-001.
Na voljo so lahko tudi druge velikosti in barve, ki niso posebej navedene v tem standardu. Upoštevati je treba, da se te postavke skladajo s tem standardom, če so skladne z zahtevami za lastnosti, navedenimi v preglednicah 5, 6 in 7, razen z zahtevami za mere in težo.
General Information
- Status
- Published
- Publication Date
- 19-Mar-2017
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 16-Mar-2017
- Due Date
- 21-May-2017
- Completion Date
- 20-Mar-2017
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Overview
SIST EN 4708-101:2017 specifies the requirements for four types of heat-shrinkable polyolefin sleeving used for binding, insulation, and identification in aerospace electrical systems. Developed by CEN (European Committee for Standardization), this standard defines product characteristics for sleevings operating in temperature ranges from −55 °C to 135 °C. It addresses the needs of the aerospace sector where reliability, flame retardancy, and precise identification of electrical components are essential.
Key Topics
The standard covers the following heat-shrinkable polyolefin sleeving types for aircraft electrical systems:
- Type A: Very flexible, flame retarded, 2:1 shrink ratio. Ideal for protecting sensitive components and delicate wiring where minimal heat is important during shrinking.
- Type B: Flexible, flame retarded, available in 2:1, 3:1, and 4:1 shrink ratios. Suited for general purposes, offering various shrink ratios for different applications.
- Type C: Flexible, not flame retarded, available in 2:1 and 3:1 shrink ratios. Designed where flame retardancy is not a critical requirement.
- Type D: Semi-rigid, flame retarded, 2:1 shrink ratio. Used for applications needing strain relief and mechanical support.
Additional considerations in the standard include:
- Internal diameters (up to 102 mm for certain shrink ratios)
- Colour availability (e.g., black, transparent, and multiple colours for Type B)
- General requirements for dimensions, labelling, packaging, testing methods, and compliance procedures
Applications
Heat-shrinkable polyolefin sleeving as defined in SIST EN 4708-101:2017 is primarily used in the aerospace industry for:
- Binding: Organizing and securing groups of wires or cables, ensuring they remain intact and easy to manage.
- Insulation: Providing an additional or replacement layer of dielectric insulation to electrical conductors, protecting against short circuits and environmental factors.
- Identification: Colour coding or marking wires and cables for straightforward identification during installation and maintenance, reducing the risk of wiring errors.
- Strain relief and mechanical support: Particularly relevant for Type D, sleevings prevent undue stress on wire terminations and connectors in high-vibration environments.
The standard is crucial for manufacturers, suppliers, and maintenance organizations involved in aerospace electrical systems, ensuring products meet stringent safety and performance requirements.
Related Standards
SIST EN 4708-101:2017 references several key standards that provide supporting test methods and product specifications:
- EN 4708-001: Aerospace series – Sleeving, heat-shrinkable, for binding, insulation and identification – Part 001: Technical specification.
- EN 3909: Aerospace series – Test fluids and test methods for electrical and optical components and sub-assemblies.
- IEC 60684-1: Specification for flexible insulating sleeving – Part 1: Definitions and general requirements.
- IEC 60684-2: Flexible insulating sleeving – Part 2: Methods of test.
- ISO 846: Plastics – Evaluation of the action of micro-organisms.
- IEC 60757: Code for designation of colours for electrical cables and accessories.
These related standards are integral to ensuring the compliance, safety, and interoperability of heat-shrinkable sleevings within aerospace and possibly other high-reliability sectors.
By adhering to SIST EN 4708-101:2017, organizations can ensure their heat-shrinkable polyolefin sleeving products meet rigorous aerospace requirements for electrical protection, insulation, and identification, contributing to safer aircraft electrical systems. Integrating this standard into procurement and quality processes also helps achieve regulatory alignment and enhances system reliability in demanding environments.
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Frequently Asked Questions
SIST EN 4708-101:2017 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Sleeving, heat-shrinkable, for binding, insulation and identification - Part 101: Polyolefin sleeving - Operating temperatures -55 °C to 135 °C - Product standard". This standard covers: This European Standard specifies the required characteristics for four types of heat-shrinkable polyolefin sleevings for use in aircraft electrical systems at operating temperatures between − 55 °C and 135 °C. Type A: Very flexible, flame retarded, shrink ratio 2:1 This sleeving has very good flexibility, is flame retarded and will shrink at low temperatures. It is suitable where sensitive components and delicate wiring need protection from excessive heat during shrinking. Type B: Flexible, flame retarded, shrink ratio 2:1, 3:1 and 4:1 This sleeving is flexible and flame retarded. It is suitable for general purposes and is available with high shrink ratios. Type C: Flexible, not flame retarded, shrink ratio 2:1 and 3:1 This sleeving is flexible and not flame retarded and is available in two shrink ratios. Type D: Semi-rigid, flame retarded, shrink ratio 2:1 This sleeving is semi-rigid and flame retarded. It is suitable where strain relief and mechanical support are required
This European Standard specifies the required characteristics for four types of heat-shrinkable polyolefin sleevings for use in aircraft electrical systems at operating temperatures between − 55 °C and 135 °C. Type A: Very flexible, flame retarded, shrink ratio 2:1 This sleeving has very good flexibility, is flame retarded and will shrink at low temperatures. It is suitable where sensitive components and delicate wiring need protection from excessive heat during shrinking. Type B: Flexible, flame retarded, shrink ratio 2:1, 3:1 and 4:1 This sleeving is flexible and flame retarded. It is suitable for general purposes and is available with high shrink ratios. Type C: Flexible, not flame retarded, shrink ratio 2:1 and 3:1 This sleeving is flexible and not flame retarded and is available in two shrink ratios. Type D: Semi-rigid, flame retarded, shrink ratio 2:1 This sleeving is semi-rigid and flame retarded. It is suitable where strain relief and mechanical support are required
SIST EN 4708-101:2017 is classified under the following ICS (International Classification for Standards) categories: 49.060 - Aerospace electric equipment and systems. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 4708-101:2017 has the following relationships with other standards: It is inter standard links to SIST EN 4708-001:2019, SIST EN 3909:2016, SIST-TS CEN ISO/TS 18234-1:2006. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 4708-101:2017 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)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.SURL]YRGLuft- und Raumfahrt - Wärmeschrumpfender Schlauch zur Befestigung, Isolierung und Identifizierung - Teil 101: Polyolefin Schlauch - Temperaturbereich -55 °C bis 135 °C - ProduktnormSérie aérospatiale - Manchons thermorétractables, de jonction, isolement et identification - Partie 101: Gaine polyoléfine - Températures d'utilisation -55 °C à 135 °C - Norme de produitAerospace series - Sleeving, heat-shrinkable, for binding, insulation and identification - Part 101: Polyolefin sleeving - Operating temperatures -55 °C to 135 °C - Product standard49.060Aerospace electric equipment and systemsICS:Ta slovenski standard je istoveten z:EN 4708-101:2017SIST EN 4708-101:2017en,fr,de01-maj-2017SIST EN 4708-101:2017SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4708-101
March
t r s y ICS
v {ä r x r English Version
Aerospace series æ Sleevingá heatæshrinkableá for bindingá insulation and identification æ Part
s r sã Polyolefin sleeving æ Operating temperatures æ w w
¹C to
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¹C æ Product standard Série aérospatiale æ Manchons thermorétractablesá de jonctioná isolement et identification æ Partie
s r sã Gaine polyoléfine æ Températures d 5utilisation æ w w
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¹C æ Norme de produit
Luftæ und Raumfahrt æ Wärmeschrumpfender Schlauch zur Befestigungá Isolierung und Identifizierung æ Teil
s r sã Polyolefin Schlauch æ Temperaturbereich æ w w
¹C bis
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¹C æ Produktnorm This European Standard was approved by CEN on
{ January
t r s yä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
v y r zæ s r sã t r s y ESIST EN 4708-101:2017
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w w
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¹Cä Type A: Very flexible, flame retarded, shrink ratio 2:1 This sleeving has very good flexibility, is flame retarded and will shrink at low temperatures. It is suitable where sensitive components and delicate wiring need protection from excessive heat during shrinking.
Type B: Flexible, flame retarded, shrink ratio 2:1, 3:1 and 4:1 This sleeving is flexible and flame retarded. It is suitable for general purposes and is available with high shrink ratios.
Type C: Flexible, not flame retarded, shrink ratio 2:1 and 3:1 This sleeving is flexible and not flame retarded and is available in two shrink ratios. Type D: Semi-rigid, flame retarded, shrink ratio 2:1 This sleeving is semi-rigid and flame retarded. It is suitable where strain relief and mechanical support are required These sleevings are normally supplied with internal diameters up to 102 mm for shrink ratios of 2:1 and 4:1 and up to 39 mm for shrink ratios of 3:1 and in the following colours for type B, black, brown, red, yellow, green, blue, orange, violet, grey, white and green/yellow. Types A and D are black only. Type C is transparent, is not flame retarded and does not meet the flammability requirements of EN 4708-001. Sizes or colours other than those specifically listed in this standard may be available. These items shall be considered to comply with this standard if they comply with the property requirements listed in Tables 5, 6 and 7 except for dimensions and mass. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 3909, Aerospace series — Test fluids and test methods for electrical and optical components and sub-assemblies EN 4708-001, Aerospace series — Sleeving, heat-shrinkable, for binding, insulation and identification — Part 001: Technical specification IEC 60684-1:2011, Specification for flexible insulating sleeving — Part 1: Definitions and general requirements 1)
1) Published by: IEC International Electrotechnical Commission. http://www.iec.ch/ SIST EN 4708-101:2017
2) Published by: Department of Defense (DoD). http://www.defenselink.mil/ 3) Published by: SAE National (US) Society of Automotive Engineers. http://www.sae.org/ 4) Published by: ASTM National (US) American Society for Testing and Materials. http://www.astm.org/ SIST EN 4708-101:2017
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