SIST EN 50290-2-21:2002
(Main)Communication cables - Part 2-21: Common design rules and construction - PVC insulation compounds
Communication cables - Part 2-21: Common design rules and construction - PVC insulation compounds
This Part 2-21 of EN 50290 gives specific requirements for PVC insulation compounds used for communication cables. For cables with a maximum rated temperature of 90 °C, compound of Grade TI55 shall be used and it shall comply with the requirements described in Table 1. It is to be read in conjunction with Part 2-20 of EN 50290.
Kommunikationskabel - Teil 2-21: Gemeinsame Regeln für Entwicklung und Konstruktion - PVC-Isoliermischungen
Dieser Teil 2-21 der EN 50290 legt gemeinsame Anforderungen für PVC-Isoliermischungen, die in Kommunikationskabeln verwendet werden, fest. Für Kabel mit einer höchsten Bemessungstemperatur von 90° C muss der Mischungstyp TI55 verwendet werden. Er muss mit den in Tabelle 1 beschriebenen Anforderungen übereinstimmen. Er ist zusammen mit Teil 2-20 der EN 50290 anzuwenden.
Câbles de communication - Partie 2-21: Règles de conception communes et construction - Mélanges en PVC pour enveloppes isolantes
La présente partie 2-21 de la Norme européenne EN 50290 donne les prescriptions spécifiques aux isolants PVC utilisés dans les câbles de communication. Pour les câbles ayant une température nominale maximale de 90 °C, un composé de Grade TI55 doit être utilisé et doit satisfaire aux exigences décrites dans la Tableau 1. Elle doit être lue avec la partie 2-20 de la EN 50290.
Komunikacijski kabli - 2-21. del: Skupna pravila za načrtovanje in konstrukcija - Izolacijske zmesi iz PVC
Podaja specifične zahteve za izolacijske PVC zmesi, ki se uporabljajo za komunikacijske kable.
General Information
- Status
- Published
- Publication Date
- 31-Aug-2002
- Withdrawal Date
- 26-Nov-2007
- Technical Committee
- MOC - Mobile Communications
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Sep-2002
- Due Date
- 01-Sep-2002
- Completion Date
- 01-Sep-2002
Relations
- Replaces
SIST HD 624.1 S1:1996 - Materials used in communication cables -- Part 1: PVC insulation compounds - Effective Date
- 01-Sep-2002
- Effective Date
- 01-Feb-2008
- Effective Date
- 01-Mar-2024
Overview
EN 50290-2-21:2001 (CLC) is a European (CENELEC) standard that specifies requirements for PVC insulation compounds used in communication cables. It defines graded PVC compound types and the laboratory test methods and performance limits that manufacturers, test labs and specifiers must follow. This Part 2-21 is intended to be read in conjunction with EN 50290-2-20 and incorporates normative test methods from the EN 60811 series and ISO 868.
Key topics and technical requirements
- Compound grades and temperature ratings
- The standard’s Table 1 lists specified PVC grades (TI51–TI54) and the maximum rated cable temperatures (one grade is specified for 90 °C-rated cables).
- Mechanical properties
- Tensile strength and elongation at break are given for both delivery state and after thermal ageing, with allowable variation limits.
- Thermal and ageing tests
- Thermal stability (loss of mass at elevated temperature), heat shock resistance and specified thermal ageing regimes are required (tests referenced to EN 60811 parts).
- High-temperature pressure and indentation
- Pressure test at elevated temperature to assess indentation limits (EN 60811-3-1).
- Low-temperature behaviour
- Bending and elongation tests at low temperature (EN 60811-1-4) to verify no cracking and minimum elongation.
- Electrical properties
- Volume resistivity requirements and a normative Annex A describing the immersion test method, measurement timing and the formula to convert insulation resistance to resistivity (Ω·m).
- Other properties
- Density and hardness (ISO 868 Shore), shrinkage limits and where applicable dielectric constant measured at 1 kHz.
Practical applications and users
- Cable manufacturers selecting or qualifying PVC insulation compounds for telecommunication, coaxial and other communication cables.
- Materials and product engineers drafting cable design specifications and acceptance criteria.
- Test laboratories performing compliance testing to EN 60811 methods and producing certification data.
- Procurement teams and standards bodies ensuring suppliers meet required mechanical, thermal and electrical performance for safe, reliable cable insulation.
- Useful when specifying insulated conductor materials for installations requiring specific rated temperatures (including 90 °C-rated applications).
Related standards
- EN 50290-2-20 (other common design rules - read together)
- EN 60811 series (insulating and sheathing materials - test methods)
- ISO 868 (Shore hardness)
EN 50290-2-21 is a practical reference for ensuring PVC insulation compounds meet consistent mechanical, thermal and electrical performance for communication cable applications.
Frequently Asked Questions
SIST EN 50290-2-21:2002 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Communication cables - Part 2-21: Common design rules and construction - PVC insulation compounds". This standard covers: This Part 2-21 of EN 50290 gives specific requirements for PVC insulation compounds used for communication cables. For cables with a maximum rated temperature of 90 °C, compound of Grade TI55 shall be used and it shall comply with the requirements described in Table 1. It is to be read in conjunction with Part 2-20 of EN 50290.
This Part 2-21 of EN 50290 gives specific requirements for PVC insulation compounds used for communication cables. For cables with a maximum rated temperature of 90 °C, compound of Grade TI55 shall be used and it shall comply with the requirements described in Table 1. It is to be read in conjunction with Part 2-20 of EN 50290.
SIST EN 50290-2-21:2002 is classified under the following ICS (International Classification for Standards) categories: 29.035.20 - Plastics and rubber insulating materials; 33.120.10 - Coaxial cables. Waveguides. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 50290-2-21:2002 has the following relationships with other standards: It is inter standard links to SIST HD 624.1 S1:1996, SIST EN 50290-2-21:2002/A1:2008, SIST EN 50290-2-21:2002/AC:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 50290-2-21:2002 is associated with the following European legislation: EU Directives/Regulations: 2006/95/EC, 2014/35/EU; Standardization Mandates: M/212. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN 50290-2-21:2002 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-september-2002
1DGRPHãþD
SIST HD 624.1 S1:1996
.RPXQLNDFLMVNLNDEOLGHO 6NXSQDSUDYLOD]DQDþUWRYDQMHLQNRQVWUXNFLMD
,]RODFLMVNH]PHVLL]39&
Communication cables - Part 2-21: Common design rules and construction - PVC
insulation compounds
Kommunikationskabel - Teil 2-21: Gemeinsame Regeln für Entwicklung und Konstruktion
- PVC-Isoliermischungen
Câbles de communication - Partie 2-21: Règles de conception communes et construction
- Mélanges en PVC pour enveloppes isolantes
Ta slovenski standard je istoveten z: EN 50290-2-21:2001
ICS:
29.035.20 3ODVWLþQLLQJXPHQLL]RODFLMVNL Plastics and rubber insulating
PDWHULDOL materials
33.120.10 Koaksialni kabli. Valovodi Coaxial cables. Waveguides
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 50290-2-21
NORME EUROPÉENNE
EUROPÄISCHE NORM October 2001
ICS 29.035.20; 33.120.10 Supersedes HD 624.1 S1:1994
English version
Communication cables
Part 2-21: Common design rules and construction -
PVC insulation compounds
Câbles de communication Kommunikationskabel
Partie 2-21: Règles de conception Teil 2-21: Gemeinsame Regeln für
communes et construction - Entwicklung und Konstruktion -
Mélanges en PVC pour enveloppes PVC-Isoliermischungen
isolantes
This European Standard was approved by CENELEC on 2001-03-01. CENELEC 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 Central Secretariat or to any CENELEC 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 CENELEC member into its own
language and notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands,
Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50290-2-21:2001 E
Foreword
This European Standard was prepared by a joint working group of the Technical Committees
CENELEC TC 46X, Communication cables, and CENELEC TC 86A, Optical fibres and optical fibre
cables.
The text of the draft was submitted to the Unique Acceptance Procedure and was approved by
CENELEC as EN 50290-2-21 on 2001-03-01.
This European Standard supersedes HD 624.1 S1:1994.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2002-04-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2004-04-01
Annexes designated "normative" are part of the body of the standard.
In this standard, annex A is normative.
This European Standard has been prepared under the European Mandate M/212 given to
CENELEC by the European Commission and the European Free Trade Association.
_________
- 3 - EN 50290-2-21:2001
1 Scope
This Part 2-21 of EN 50290 gives specific requirements for PVC insulation compounds used
for communication cables.
It is to be read in conjunction with Part 2-20 of EN 50290.
2 Normative references
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of
any of these publications apply to this European Standard only when incorporated in it by
amendment or revision. For undated references the latest edition of the publication referred to
applies (including amendments).
EN 60811-1-1:1995 Insulating and sheathing materials of electric and optical cables - Common
test methods -- Part 1-1: General application - Measurement of thickness and
overall dimensions - Tests for determining the mechanical properties
(IEC 60811-1-1:1993)
EN 60811-1-2:1995 Insulating and sheathing materials of electric cables
...
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