IEC 63355:2022
(Main)Cable management systems - Test method for content of halogens
Cable management systems - Test method for content of halogens
IEC 63355:2022 specifies a method for the determination of the content of halogens in cable management system (CMS) products or system components made completely or partly of combustible material(s). The determination is made by combustion and subsequent analysis of the combustion product by ion chromatography. This document specifies how CMS products or system components can be declared as halogen-free.
Systèmes de gestion de câblage - Méthode d'essai relative à la teneur en halogènes
L'IEC 63355:2022 spécifie une méthode de détermination de la teneur en halogènes dans les composants des systèmes ou les produits des systèmes de câblage (CMS, Cable Management System) fabriqués partiellement ou complètement en matériau(x) combustible(s). La détermination est réalisée par combustion et analyse ultérieure du produit de combustion par chromatographie ionique. Le présent document spécifie la façon dont les composants des systèmes ou les produits des CMS peuvent être déclarés sans halogène.
General Information
Standards Content (sample)
IEC 63355
Edition 1.0 2022-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Cable management systems – Test method for content of halogens
Systèmes de gestion de câblage – Méthode d'essai relative à la teneur en
halogènes
IEC 63355:2022-07(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 63355
Edition 1.0 2022-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Cable management systems – Test method for content of halogens
Systèmes de gestion de câblage – Méthode d'essai relative à la teneur en
halogènes
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.060.01; 29.120.10 ISBN 978-2-8322-3956-8
Warning! Make sure that you obtained this publication from an authorized distributor.
Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.
® Registered trademark of the International Electrotechnical CommissionMarque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 63355:2022 © IEC 2022
CONTENTS
FOREWORD ........................................................................................................................... 4
1 Scope .............................................................................................................................. 6
2 Normative references ...................................................................................................... 6
3 Terms and definitions ...................................................................................................... 6
4 Principle .......................................................................................................................... 7
5 Interferences ................................................................................................................... 7
5.1 General ................................................................................................................... 7
5.2 Organic halogen compounds ................................................................................... 7
5.3 Inorganic halogen compounds ................................................................................ 8
6 Classifications, limits and declaration .............................................................................. 8
6.1 Halogen content classification ................................................................................. 8
6.1.1 Not declared .................................................................................................... 8
6.1.2 Halogen-free .................................................................................................... 8
6.2 Limits ...................................................................................................................... 8
6.3 Declaration ............................................................................................................. 8
7 Reagents and control mixtures ........................................................................................ 8
7.1 Reagents ................................................................................................................ 8
7.1.1 General ........................................................................................................... 8
7.1.2 Water .............................................................................................................. 9
7.1.3 Absorption solution 1, for the determination of fluorine, chlorine andbromine ........................................................................................................... 9
7.1.4 Absorption solution 2 for the determination of iodine ........................................ 9
7.1.5 Oxygen ............................................................................................................ 9
7.1.6 Combustion enhancer ...................................................................................... 9
7.2 Control samples ...................................................................................................... 9
8 Sample preparation ......................................................................................................... 9
9 Equipment ..................................................................................................................... 10
9.1 Calorimetric decomposition bomb ......................................................................... 10
9.2 Sample pan........................................................................................................... 10
9.3 Firing wire ............................................................................................................. 10
9.4 Ignition circuit ....................................................................................................... 10
9.5 Usual laboratory equipment .................................................................................. 10
10 Procedure ...................................................................................................................... 10
10.1 General ................................................................................................................. 10
10.2 Choice of the absorption solution .......................................................................... 11
10.3 Preparation of the bomb ........................................................................................ 11
10.4 Combustion........................................................................................................... 11
10.5 Collection of the halides ........................................................................................ 12
10.6 Cleaning procedure ............................................................................................... 12
11 Test method for determination ....................................................................................... 12
12 Control measurements ................................................................................................... 12
13 Evaluation ..................................................................................................................... 12
13.1 General ................................................................................................................. 12
13.2 Procedure to evaluate the test results ................................................................... 13
13.3 Determination of the halogen content of a CMS product or systemcomponent made of multiple parts......................................................................... 13
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13.4 Calculation of total halogen content ...................................................................... 13
13.5 Compliance ........................................................................................................... 14
13.6 Extended application ............................................................................................. 14
14 Test report ..................................................................................................................... 14
Annex A (informative) Examples for possible control substances ......................................... 15
Bibliography .......................................................................................................................... 16
Table A.1 – Examples for possible control substances .......................................................... 15
---------------------- Page: 5 ----------------------– 4 – IEC 63355:2022 © IEC 2022
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CABLE MANAGEMENT SYSTEMS –
TEST METHOD FOR CONTENT OF HALOGENS
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
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indispensable for the correct application of this publication.9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
IEC 63355 has been prepared by subcommittee 23A: Cable management systems, of IEC
technical committee 23: Electrical accessories. It is an International Standard.The text of this International Standard is based on the following documents:
Draft Report on voting
23A/997/FDIS 23A/999/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/standardsdev/publications.---------------------- Page: 6 ----------------------
IEC 63355:2022 © IEC 2022 – 5 –
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
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– 6 – IEC 63355:2022 © IEC 2022
CABLE MANAGEMENT SYSTEMS –
TEST METHOD FOR CONTENT OF HALOGENS
1 Scope
This document specifies a method for the determination of the content of halogens in cable
management system (CMS) products or system components made completely or partly of
combustible material(s). The determination is made by combustion and subsequent analysis of
the combustion product by ion chromatography. This document specifies how CMS products or
system components can be declared as halogen-free.This document is for environmental performance purposes only.
Compliance with this document does not imply the absence of toxicity, corrosivity or opacity of
produced smoke, or other reaction to fire characteristics. If any of these characteristics are to
be evaluated, the appropriate standards can be used.The detection limit of this test method is typically 0,025 g of halogen per kg (0,002 5 %).
Halides insoluble in aqueous solution present in the original sample or produced during the
combustion step are not determined by this method.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.ISO 1716, Reaction to fire tests for products – Determination of the gross heat of combustion
(calorific value)ISO 3696, Water for analytical laboratory use – Specification and test methods
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:• IEC Electropedia: available at https://www.electropedia.org/
• ISO Online browsing platform: available at https://www.iso.org/obp
3.1
halogen content
content of fluorine, chlorine, bromine and iodine as organic and inorganic compounds that can
be converted to halides (fluoride, chloride, bromide, iodide) by combustion and then absorbed
or dissolved in an aqueous solutionNote 1 to entry: The above definition is valid for this document only and does not strictly comply with the scientific
definition of halogen content.---------------------- Page: 8 ----------------------
IEC 63355:2022 © IEC 2022 – 7 –
3.2
combustible, adjective
capable of being ignited and burned
[SOURCE: ISO 13943:2017, 3.52]
4 Principle
For the purpose of this document, a material is considered as being non-combustible if its gross
calorific potential is assumed to be lower than 3,0 MJ/kg. In case of doubt ISO 1716 is used to
measure the calorific potential.Examples of non-combustible materials are:
– uncoated stainless steel,
– steel with metallic coating,
– uncoated aluminium,
– copper,
– ceramic.
The test sample is oxidized by combustion in a closed system containing oxygen under pressure
using a calorimetric decomposition bomb (bomb).Nearly all of the halogens in compounds are converted to halides (fluoride, chloride, bromide
and iodide), and nearly all of these (see Clause 5) are dissolved in an absorption solution.
The detection limit of this test method is typically 0,025 g of halogen per kg (0,002 5 %). When
this test method is used for poorly burning samples, a combustion enhancer may be used.
5 Interferences5.1 General
Inorganic halides insoluble in aqueous solution present in the original samples or produced
during the combustion step are not determined by the method described here. Subclauses 5.2
and 5.3 show the differences that occur between the determination of the content of organic
halogen compounds and inorganic halogen compounds. The inorganic halogen compounds in
the material can have their origin as an additive deliberately added to the material or as an
impurity.5.2 Organic halogen compounds
Organic compounds containing halogens are known under several names. Different
expressions are used like organohalogens, halogenated compounds, halocarbons or organic
halides. They are all substances in which one or more carbon atoms are linked by covalent
bonds to one or more halogen atoms.Among the organohalogens, some of them are efficient flame retardants. Chlorinated,
brominated and fluorinated organohalogens are used separately or in combination.Organohalogens will be converted into inorganic halides by combustion and will then be
absorbed or dissolved in an aqueous solution. This allows the subsequent analysis of halogen
content.---------------------- Page: 9 ----------------------
– 8 – IEC 63355:2022 © IEC 2022
5.3 Inorganic halogen compounds
Inorganic compounds containing halogens are known as inorganic halides. Inorganic halides
used as additives are salts between a halogen and a metal linked together with an ionic bond,
for example magnesium chloride (MgCl ), potassium bromide (KBr) or sodium fluoride (NaF).
These salts may have varying degrees of solubility in water.However, this limitation is considered as not significant as no example has been found where
inorganic halides have been used in CMS products.Impurities containing inorganic halides will occur in several additives used in polymers. They
can occur as impurities in, for example, fillers (like CaCl in CaCO ), pigments (like TiCl in
2 3 4TiO ) or other inorganic additives (like AlCl in Al(OH) ). These inorganic halides can have
2 3 3more or less solubility in water, but they will only be measured if they dissolve in the aqueous
solution. Investigations have shown that the content of each halogen in impurities in inorganic
additives for CMS products is low and therefore does not significantly contribute to the total
content of each halogen. Insoluble inorganic halides will not be considered and will not be
measured by the method described here. Examples of insoluble inorganic halides are halide
salts of silver and barium (AgCl, AgBr and BaCl ). Soluble inorganic halides will be dissolved
in the aqueous solution and will be measured together with halides coming from the combustion
of the organohalogens.6 Classifications, limits and declaration
6.1 Halogen content classification
6.1.1 Not declared
6.1.2 Halogen-free
6.2 Limits
A CMS product or system component classified according to 6.1.2 shall comply with the
following specified limits:• fluorine (F) content ≤ 3,0 g/kg (corresponding to 0,30 % weight/weight)
• chlorine (Cl) content ≤ 1,5 g/kg (corresponding to 0,15 % weight/weight)
• bromine (Br) content ≤ 1,5 g/kg (corresponding to 0,15 % weight/weight)
• iodine (I) content ≤ 3,0 g/kg (corresponding to 0,30 % weight/weight)
• total halogen content: fluorine (F) content + chlorine (Cl) content + bromine (Br)
content + iodine (I) content ≤ 4 g/kg (corresponding to 0,40 % weight/weight).6.3 Declaration
A CMS product or system component classified according to 6.1.2 can be declared as
"halogen-free according to IEC 63355" if the CMS product or system component meets the
requirements of 6.2.7 Reagents and control mixtures
7.1 Reagents
7.1.1 General
All reagents shall be at least of analytical grade and suitable for the specific purposes, see
Clause 12.---------------------- Page: 10 ----------------------
IEC 63355:2022 © IEC 2022 – 9 –
7.1.2 Water
The water shall be grade 1 as specified in ISO 3696.
7.1.3 Absorption solution 1, for the determination of fluorine, chlorine and bromine
The nature and concentration of solution 1 may depend on the end-determination technique
and on the expected content of halogens. For example:– water (7.1.2); or
– 0,3 mol/l potassium or sodium hydroxide solution: dissolve 16,8 g of KOH or 12,0 g of NaOH
pellets in water (7.1.2) and dilute to 1 l; or– carbonate-bicarbonate solution: dissolve 2,52 g sodium bicarbonate NaHCO and 2,54 g
sodium carbonate Na CO in water (7.1.2) and dilute to 1 l.2 3
7.1.4 Absorption solution 2 for the determination of iodine
Solution 2 shall be ascorbic acid-solution, (C H O ), 10 g/kg.
6 8 3
7.1.5 Oxygen
The oxygen shall be free of combustible material, available at a pressure of 3 MPa to 4 MPa
(e.g. medical grade).7.1.6 Combustion enhancer
The combustion enhancer may be, for example, paraffin.
7.2 Control samples
Annex A Table A.1 lists examples of control substances that give complete (90 % to 110 %)
recovery rate of halogens. By spiking (standard addition) a sample polymer considered not to
contain any halogen with one or more of these substances, a control sample can be created.
The halogen content of this sample shall be within ± 20 % of the specified pass-fail criteria.
Specific polymer samples with a halogen content in the same range can also be used as control
samples.8 Sample preparation
For each product, non-combustible parts which can be completely separated through
disassembling, cutting, crushing or grinding are separated and are not tested.NOTE 1 Examples of parts which can be separated are screws, metal inserts and terminals.
The mass of all remaining combustible parts is measured.A test sample representative of each part is cut or ground into pieces with a grain size not
exceeding 2 mm.NOTE 2 If the grain size is too small, there is a risk of blowing away the test sample when purging and filling the
bomb with oxygen. If this occurs, an appropriate method can be adopted to prevent this.
A part made of multiple combustible materials is assessed on its averaged contents. This is
achieved by grinding or sawing the part to produce a test sample containing a similar ratio of
materials as the original part.During preparation of the test sample, contact with halogenated polymers, e.g. PVC gloves,
shall be avoided.---------------------- Page: 11 ----------------------
– 10 – IEC 63355:2022 © IEC 2022
9 Equipment
9.1 Calorimetric decomposition bomb
The bomb shall have a capacity of at least 200 ml and be equipped with a venting system.
The bomb shall not leak during testing and shall permit a complete recovery of the liquid. The
inner surface shall be made of stainless steel or any other material that will not be affected by
combustion gases.Materials used for the bomb assembly, such as the head gasket and wire insulation, shall be
resistant against heat and chemical attacks and shall not undergo any reaction that could affect
the results.Bombs with damaged or pitted surfaces shall not be used because of their tendency to retain
halides. After repeated use of the bomb, a layer may build up on the inner surface. Such a
surface shall be removed by polishing the bomb regularly according to the manufacturer’s
instructions.NOTE The internal surface of some bombs can have a ceramic coating or platinum insert. Therefore, they have
better resistance to corrosion.9.2 Sample pan
The sample pan shall be manufactured from platinum or stainless steel.
9.3 Firing wire
The firing wire shall be manufactured from platinum or stainless steel.
9.4 Ignition circuit
The ignition circuit shall be capable of supplying a sufficient current to ignite the sample without
melting the wire.9.5 Usual laboratory equipment
Homogenization devices (e.g. mixers, stirrers, grinders, mills) and analytical balance (accurate
to 0,1 mg or better).10 Procedure
10.1 General
According to Clause 12, before each series of determinations, a blank test, then a control test
on a control sample (see 7.2) shall be carried out.Testing samples of high content of halogens followed by samples of low content of halogens
can lead to contamination as it is difficult to rinse the last traces of ions from the internal
surfaces of the apparatus and a tendency for residual elements to carry-over from sample to
sample has been observed. It is good practice to insert a blank test between the sample tests,
unless the series of samples being analysed has similar expected concentrations.---------------------- Page: 12 ----------------------
IEC 63355:2022 © IEC 2022 – 11 –
10.2 Choice of the absorption solution
The combustion gases are collected inside the bomb in an absorption solution (see 7.1.3 and
7.1.4). Water is generally used when a low halogen content is expected (usually, less than
10 g/kg). An alkaline solution should be used if a halogen content of greater than 10 g/kg is
expected, to ensure neutralization of all acid compounds produced. In case of detection of high
amount of iodine during first quantification with...
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