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  • BSI
    BS EN 50290-2-24:2021 Communication cables - Common design rules and construction. Polyethylene sheathing compounds
    Edition: 2021
    $266.02
    / user per year

Description of BS EN 50290-2-24:2021 2021

This document gives specific requirements for polyethylene sheathing compounds, as given in Table 1, for use in inner and outer sheathing of communication cables including fibre optic cables.

It is expected to be read in conjunction with EN 50290-2-20, the product standards EN 50407 series, EN 50117 series, EN 60794 series and other applicable product standards.

Using raw material and type test data as outlined in this document, the raw material supplier will have sufficient data to demonstrate compliance and warrant that the material is suitable for the specified application.

There are several routes used for manufacture of polyethylene and as a consequence a number of different types of polyethylene are defined as given in Table 1.

Table 1 — Polyethylene materials (informative)

Abbreviation

Material type

Reactor process

Polymer structure

Maximum operating temperaturea

°C
LDPEb Low density polyethylene High pressure/ temperature radical reaction Long chain branched +70
LLDPE Linear low density polyethylene Low pressure/ temperature catalytic reaction Significant short chain branching +80
MDPE Medium density polyethylene Low pressure/ temperature catalytic reaction Short chain branched +80
HDPE High density polyethylene Low pressure/ temperature catalytic reaction Limited short chain branching +80

aFurther guidance on operating temperature is contained in EN 50290-2-20

bUpper process capability for density 0,930 g/ml. Normally density range 0,917–0,925 g/ml



Standard NumberBS EN 50290-2-24:2021
TitleCommunication cables - Common design rules and construction. Polyethylene sheathing compounds
StatusDefinitive
Publication Date2021-05-12
ReplacesBS EN 50290-2-24:2002+A1:2008
Identical National Standard OfEN 50290-2-24
DescriptorsSleeving (electrical), Polyethylene, Insulated cables, Electrical insulating materials, Electric cables, Communication cables, Cable sheaths, Design, Sheathed cables, Product design
ICS29.035.20 Plastics and rubber insulating materials, 33.120.01 Components and accessories in general
CommitteeEPL/46
ISBN978 0 539 14718 6
PublisherBSI
Pages12

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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