Railway applications - Wheel/Rail friction management - Part 2-3: Properties and Characteristics - Adhesion materials

This document specifies the requirements of adhesion materials intended to be applied to the interface between the wheel tread and the rail crown (active interface). It can be applied either directly or indirectly to the wheel tread or rail.
It outlines the information required for most approval procedures, the method of testing and routine control/monitoring of the material.
This document does not deal with Top of Rail materials. For Top of Rail materials see CEN/TS 15427-2-2:2021.

Bahnanwendungen - Reibungsmanagement zwischen Rad und Schiene - Teil 2-3: Eigenschaften und Merkmale - Kraftschlusserhöhende Materialien

Dieses Dokument legt die Anforderungen an kraftschlusserhöhende Materialien für die Anwendung auf der Kontaktfläche zwischen Radlauffläche und Fahrfläche der Schiene (aktive Kontaktfläche) fest. Diese können direkt oder indirekt auf die Radlauffläche oder die Schiene angewendet werden.
Es beschreibt die erforderlichen Informationen für die meisten Genehmigungsverfahren, das Prüfverfahren und die regelmäßige Kontrolle/Überwachung des Materials.
Dieses Dokument behandelt keine Kraftschlussmodifikatoren. Zu Kraftschlussmodifikatoren siehe CEN/TS 15427 2 2:2021.

Applications ferroviaires - Gestion des frottements roue/rail - Partie 2 3 : Propriétés et caractéristiques - Matériaux pour restauration d'adhérence

Železniške naprave - Trenje na stiku kolo-tirnica - 2-3. del: Lastnosti in karakteristike - Lepilni materiali

General Information

Status
Published
Current Stage
6531 - Announcement (DOA) - Implementation
Due Date
30-Jun-2021
Completion Date
30-Jun-2021

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SLOVENSKI STANDARD
SIST-TS CEN/TS 15427-2-3:2021
01-maj-2021
Železniške naprave - Trenje na stiku kolo-tirnica - 2-3. del: Lastnosti in
karakteristike - Lepilni materiali
Railway applications - Wheel/Rail friction management - Part 2-3: Properties and
Characteristics - Adhesion materials
Bahnanwendungen - Reibungsmanagement zwischen Rad und Schiene - Teil 2-3:
Eigenschaften und Merkmale - Kraftschlussmaterialien

Applications ferroviaires - Gestion du frottement roue/rail - Parte 2-3: Propriétés et

Caractéristiques - Matériau d'Adhésion
Ta slovenski standard je istoveten z: CEN/TS 15427-2-3:2021
ICS:
45.040 Materiali in deli za železniško Materials and components
tehniko for railway engineering
SIST-TS CEN/TS 15427-2-3:2021 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST-TS CEN/TS 15427-2-3:2021
---------------------- Page: 2 ----------------------
SIST-TS CEN/TS 15427-2-3:2021
CEN/TS 15427-2-3
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
March 2021
TECHNISCHE SPEZIFIKATION
ICS 45.040
English Version
Railway applications - Wheel/Rail friction management -
Part 2-3: Properties and Characteristics - Adhesion
materials

Applications ferroviaires - Gestion du frottement Bahnanwendungen - Reibungsmanagement zwischen

roue/rail - Parte 2-3: Propriétés et Caractéristiques - Rad und Schiene - Teil 2-3: Eigenschaften und

Matériau d'Adhésion Merkmale - Kraftschlussmaterialien

This Technical Specification (CEN/TS) was approved by CEN on 27 December 2020 for provisional application.

The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to

submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.

CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS

available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in

parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.

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, Turkey 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

© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 15427-2-3:2021 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST-TS CEN/TS 15427-2-3:2021
CEN/TS 15427-2-3:2021 (E)

Contents Page

European foreword ............................................................................................................................... 3

Introduction ............................................................................................................................................ 4

1 Scope ............................................................................................................................................ 5

2 Normative references ............................................................................................................ 5

3 Terms and definitions ........................................................................................................... 5

4 Adhesion material requirements ...................................................................................... 6

5 General requirements ........................................................................................................... 6

5.1 Introduction .............................................................................................................................. 6

5.2 Product specification ............................................................................................................. 6

5.3 Technical file ............................................................................................................................. 7

6 Control and monitoring of product ................................................................................... 7

6.1 Manufacturing process .......................................................................................................... 7

6.2 Composition of material ....................................................................................................... 7

6.3 Routine tests ............................................................................................................................. 7

6.4 Additional measures .............................................................................................................. 8

7 Technical datasheet................................................................................................................ 8

7.1 General ........................................................................................................................................ 8

7.2 Dry particle material characteristics ............................................................................... 8

7.3 Water based material characteristics .............................................................................. 8

8 Packaging, labelling and storage ....................................................................................... 8

Annex A (normative) Requirements for dry particle material and testing ..................... 9

Annex B (informative) Functional test on specific equipment ......................................... 15

Annex C (informative) Efficiency of applied adhesion material ....................................... 18

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SIST-TS CEN/TS 15427-2-3:2021
CEN/TS 15427-2-3:2021 (E)
European foreword
This document (CEN/TS 15427-2-3:2021) has been prepared by Technical Committee
CEN/TC 256 “Railway Applications”, the secretariat of which is held by DIN.

Attention is drawn to the possibility that some of the elements of this document may be the

subject of patent rights. CEN shall not be held responsible for identifying any or all such patent

rights.

This document is part of the series EN 15427, Railway applications - Wheel/Rail friction

management, which consists of the following parts:
— Part 1-1: Equipment and Application - Flange Lubrication
— Part 1-2: Equipment and Application - Top of Rail materials
— Part 1-3: Equipment and Application - Adhesion materials
— Part 2-1: Properties and Characteristics - Flange lubricants
— Part 2-2: Properties and Characteristics - Top of Rail materials
— Part 2-3: Properties and Characteristics - Adhesion materials
— Part 3: Rationale for requirements and further background information

According to the CEN-CENELEC Internal Regulations, the national standards organisations of the

following countries are bound to implement this Technical Specification: 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, Turkey and the United Kingdom.
---------------------- Page: 5 ----------------------
SIST-TS CEN/TS 15427-2-3:2021
CEN/TS 15427-2-3:2021 (E)
Introduction

Friction management using solid or fluid (oil, grease, etc.) substances at the wheel-rail interface

is a complex subject and includes the following aspects:

— lubrication of the wheel flange/ rail gauge corner interface, commonly referred to as “flange

or rail lubrication”;

— lubrication of the back of flange/ check rail interface; commonly referred to as “check rail

lubrication”;

— altering the level of friction at the interface between the top of rail and the wheel tread,

commonly referred to as “top of rail friction management”;

— altering the level of adhesion at the interface between the top of rail and the wheel tread.

This document sets out requirements for the material to be used for adhesion management. It

specifies requirements for the material, how to test it and how to approve it.

The main purpose of an adhesion material is to condition the wheel/ rail contact to either prevent

the occurrence of slipping or sliding or to enable recovery of traction/ braking where slipping or

sliding occurs.
The adhesion material should be tested to confirm there is:
— compatibility with top of rail systems;
— no intolerable increased risk of fire;
— no harmful environmental effects;

— no incompatibility between the different materials in use, particularly between solid and

fluid systems;
— satisfactory and consistent product quality and performance;
— no degradation to the safety of the railway (braking, signalling).
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SIST-TS CEN/TS 15427-2-3:2021
CEN/TS 15427-2-3:2021 (E)
1 Scope

This document specifies the requirements of adhesion materials intended to be applied to the

interface between the wheel tread and the rail crown (active interface). It can be applied either

directly or indirectly to the wheel tread or rail.

It outlines the information required for most approval procedures, the method of testing and

routine control/monitoring of the material.

This document does not deal with Top of Rail materials. For Top of Rail materials see

CEN/TS 15427-2-2:2021.
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 933-1:2012, Tests for geometrical properties of aggregates - Part 1: Determination of particle

size distribution - Sieving method

EN 1097-3:1998, Tests for mechanical and physical properties of aggregates - Part 3:

Determination of loose bulk density and voids

EN 1097-6:2013, Tests for mechanical and physical properties of aggregates - Part 6:

Determination of particle density and water absorption

CEN/TS 15427-1-3:2021, Railway applications - Wheel/rail friction management -Part 1-3:

Equipment and Application - Adhesion materials

EN 1744-1:2009+A1:2012, Tests for chemical properties of aggregates - Part 1: Chemical analysis

ISO 2049:1996, Petroleum products - Determination of colour (ASTM scale)
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:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
3.1
adhesion material

substance that is used to either prevent the occurrence of slipping or sliding or to enable recovery

of traction/ braking where slipping or sliding occurs
3.2
batch

entire content of a single identified production of material from the same manufacturing process

---------------------- Page: 7 ----------------------
SIST-TS CEN/TS 15427-2-3:2021
CEN/TS 15427-2-3:2021 (E)
3.3
active interface
contact area between the wheel tread and the top of the rail
3.4
trainborne
type of system installed on a train
3.5
trackside
type of system installed on or adjacent to the track
3.6
customer

railway undertaking, infrastructure owner, manufacturer or buyer of railway products or

subassemblies, or their representative
3.7
supplier
supplier of adhesion materials
Note 1 to entry: A supplier might also be the manufacturer of the product.
3.8
product specification

document prepared by the customer that describes the conditions and requirements for the

lubricant to meet
4 Adhesion material requirements

The adhesion material shall be designed to either reduce the occurrence of slipping or sliding or

to enhance recovery of traction/ braking where slipping or sliding occurs.
Different materials may be used for traction/ braking.

When applied within the specified limits to the active interface the material shall not compromise

the safety of the railway (i.e braking distance, signalling systems).
NOTE See Annex A.
5 General requirements
5.1 Introduction

This clause outlines the information required to gain approval on most railway networks. It does

not cover its performance on the railway.
5.2 Product specification

The product specification shall be fully documented and shall include the following information:

a) purpose of material;
b) conformity to the applicable type tests as set out in Tables A.1 to A.2;

c) conformance with other relevant local requirements (such as environmental, fire, toxicity,

etc…);
---------------------- Page: 8 ----------------------
SIST-TS CEN/TS 15427-2-3:2021
CEN/TS 15427-2-3:2021 (E)
d) application data:
1) including equipment it can be used with;
2) operating temperatures.

NOTE 1 The typical operating temperature range to take into account is from −25 °C to +80 °C.

e) Additional validation tests (see Table A.3, Annex B and Annex C);
f) Any previous relevant experience (i.e. use in other countries);
g) Conditions for packaging, storage and marking (see Clause 8).

NOTE 2 Where legislation and regulations (European, national or local) concerning ecological and

environmental compatibility of materials (biodegrability, toxicity, etc.) are applicable, consideration will

need to be given to the relevant requirements.
5.3 Technical file

A file of technical data showing compliance with the requirements in the product specification

and the results of type tests and trials shall be provided. A technical datasheet shall also be

provided (see Clause 7).

A material safety data sheet (MSDS) for the product in the language of the interested customer or

country shall be included.
6 Control and monitoring of product
6.1 Manufacturing process

If the manufacturing process is changed in a way that may affect the chemical composition,

geometric specification and/ or physical properties it shall be documented and the customer shall

be notified.
NOTE In some cases, this leads to a new approval being required.
6.2 Composition of material

If the composition of the material is changed in any way, it shall be documented and the customer

shall be notified.
NOTE In some cases, this leads to a new approval being required.
6.3 Routine tests
Routine tests ensure product consistency from batch to batch.

The routine tests are listed in Tables A1 to A2. If additional tests are required (such as those not

included in the tables or a type test) this and the frequency can be agreed between the client and

supplier.

The sample of material assessed for quality testing shall have been manufactured in a regular

production batch. The entire sample of material used for the approval tests shall be taken from

the same production batch and delivered in a single consignment and be representative of the

batch.
The results of the routine tests shall be recorded.
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CEN/TS 15427-2-3:2021 (E)
6.4 Additional measures

Retention of test records and samples, witnessing of tests, calibration of test equipment shall be

considered.
7 Technical datasheet
7.1 General

The technical datasheet shall include the individual identifying code or name of the material, a

description of the product’s field of use and typical means of application. For each material type,

the information in the following subclauses shall also be included.
7.2 Dry particle material characteristics
The product shall be
...

SLOVENSKI STANDARD
kSIST-TS FprCEN/TS 15427-2-3:2020
01-november-2020
Železniške naprave - Trenje na stiku kolo-tirnica - 2-3. del: Lastnosti in
karakteristike - Lepilni materiali
Railway applications - Wheel/Rail friction management - Part 2-3: Properties and
Characteristics - Adhesion materials
Bahnanwendungen - Reibungsmanagement zwischen Rad und Schiene - Teil 2-3:
Eigenschaften und Merkmale - Kraftschlussmaterialien

Applications ferroviaires - Gestion du frottement roue/rail - Parte 2-3: Propriétés et

Caractéristiques - Matériau d'Adhésion
Ta slovenski standard je istoveten z: FprCEN/TS 15427-2-3
ICS:
45.040 Materiali in deli za železniško Materials and components
tehniko for railway engineering
kSIST-TS FprCEN/TS 15427-2-3:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
kSIST-TS FprCEN/TS 15427-2-3:2020
---------------------- Page: 2 ----------------------
kSIST-TS FprCEN/TS 15427-2-3:2020
FINAL DRAFT
TECHNICAL SPECIFICATION
FprCEN/TS 15427-2-3
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
September 2020
ICS 45.040
English Version
Railway applications - Wheel/Rail friction management -
Part 2-3: Properties and Characteristics - Adhesion
materials

Applications ferroviaires - Gestion du frottement Bahnanwendungen - Reibungsmanagement zwischen

roue/rail - Parte 2-3: Propriétés et Caractéristiques - Rad und Schiene - Teil 2-3: Eigenschaften und

Matériau d'Adhésion Merkmale - Kraftschlussmaterialien

This draft Technical Specification is submitted to CEN members for Vote. It has been drawn up by the Technical Committee

CEN/TC 256.

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, Turkey and

United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are

aware and to provide supporting documentation.

Warning : This document is not a Technical Specification. It is distributed for review and comments. It is subject to change

without notice and shall not be referred to as a Technical Specification.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. FprCEN/TS 15427-2-3:2020 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
kSIST-TS FprCEN/TS 15427-2-3:2020
FprCEN/TS 15427-2-3:2020 (E)
Contents Page

European foreword ............................................................................................................................... 4

Introduction ............................................................................................................................................ 5

1 Scope ............................................................................................................................................ 6

2 Normative references ............................................................................................................ 6

3 Terms and definitions ........................................................................................................... 6

4 Adhesion material requirements ...................................................................................... 7

5 General requirements ........................................................................................................... 7

5.1 Introduction .............................................................................................................................. 7

5.2 Product specification ............................................................................................................. 7

5.3 Technical file ............................................................................................................................. 8

6 Control and monitoring of product ................................................................................... 8

6.1 Manufacturing process .......................................................................................................... 8

6.2 Composition of material ....................................................................................................... 8

6.3 Routine tests ............................................................................................................................. 8

6.4 Additional measures .............................................................................................................. 9

7 Technical datasheet................................................................................................................ 9

7.1 General ........................................................................................................................................ 9

7.2 Dry particle material characteristics ............................................................................... 9

7.3 Water based material characteristics .............................................................................. 9

8 Tests ............................................................................................................................................. 9

9 Packaging, labelling and storage ....................................................................................... 9

Annex A (normative) Requirements for dry particle material and testing .................. 11

A.1 Explanation of Annex A: Tables A.1 to A.4 ................................................................... 11

A.2 Key to Annex A table columns ......................................................................................... 11

A.3 Key to Annex A table column ‘Use’ ................................................................................. 11

Annex B (informative) Functional test on specific equipment ......................................... 18

B.1 General ..................................................................................................................................... 18

B.2 Pumpability behaviour of traction gels ........................................................................ 18

B.3 Testing facilities.................................................................................................................... 18

B.4 Test methodology ................................................................................................................. 19

B.5 Evaluation and reporting of test ..................................................................................... 20

Annex C (informative) Efficiency of applied adhesion material ....................................... 21

C.1 General ..................................................................................................................................... 21

C.2 Purpose .................................................................................................................................... 21

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kSIST-TS FprCEN/TS 15427-2-3:2020
FprCEN/TS 15427-2-3:2020 (E)

C.3 Angle of nozzle for adhesion materials without adhesive properties .............. 21

Bibliography ......................................................................................................................................... 23

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kSIST-TS FprCEN/TS 15427-2-3:2020
FprCEN/TS 15427-2-3:2020 (E)
European foreword

This document (FprCEN/TS 15427-2-3:2020) has been prepared by Technical Committee

CEN/TC 256 “Railway Applications”, the secretariat of which is held by DIN.
This document is currently submitted to the Vote on TS.

This document is part of the series EN 15427, Railway applications - Wheel/Rail friction

management, which consists of the following parts:
— Part 1-1: Equipment and Application - Flange Lubrication
— Part 1-2: Equipment and Application - Top of Rail materials
— Part 1-3: Equipment and Application - Adhesion materials
— Part 2-1: Properties and Characteristics - Flange lubricants
— Part 2-2: Properties and Characteristics - Top of Rail materials
— Part 2-3: Properties and Characteristics - Adhesion materials
— Part 3: Rationale for requirements and further background information
---------------------- Page: 6 ----------------------
kSIST-TS FprCEN/TS 15427-2-3:2020
FprCEN/TS 15427-2-3:2020 (E)
Introduction

Friction management using solid or fluid (oil, grease, etc.) substances at the wheel-rail interface

is a complex subject and includes the following aspects:

— lubrication of the wheel flange / rail gauge corner interface, commonly referred to as “flange

or rail lubrication”;

— lubrication of the back of flange/ check rail interface; commonly referred to as “check rail

lubrication”

— altering the level of friction at the interface between the top of rail and the wheel tread,

commonly referred to as “top of rail friction management”.

— altering the level of adhesion at the interface between the top of rail and the wheel tread.

This document sets out requirements for the material to be used for adhesion management. It

specifies requirements for the material, how to test it and how to approve it.

The main purpose of an adhesion material is to condition the wheel/ rail contact to either prevent

the occurrence of slipping or sliding or to enable recovery of traction/ braking where slipping or

sliding occurs.
The adhesion material should be tested to confirm there is:
— compatibility with top of rail systems;
— no intolerable increased risk of fire;
— no harmful environmental effects;

— no incompatibility between the different materials in use, particularly between solid and

fluid systems;
— satisfactory and consistent product quality and performance.
— no degradation to the safety of the railway (braking, signalling).
---------------------- Page: 7 ----------------------
kSIST-TS FprCEN/TS 15427-2-3:2020
FprCEN/TS 15427-2-3:2020 (E)
1 Scope

This document specifies the requirements of adhesion materials intended to be applied to the

interface between the wheel tread and the rail crown (active interface). It can be applied either

directly or indirectly to the wheel tread or rail.

It outlines the information required for most approval procedures, the method of testing and

routine control/monitoring of the material.

This document does not deal with Top of Rail materials. For Top of Rail materials see

FprCEN/TS 15427-2-2:2020.
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 933-1, Tests for geometrical properties of aggregates - Part 1: Determination of particle size

distribution - Sieving method

EN 1097-3, Tests for mechanical and physical properties of aggregates - Part 3: Determination of

loose bulk density and voids

EN 1097-6, Tests for mechanical and physical properties of aggregates - Part 6: Determination of

particle density and water absorption

FprCEN/TS 15427-1-3:2020, Railway applications — Wheel/rail friction management — Flange

lubrication

EN 1744-1, Tests for chemical properties of aggregates - Part 1: Chemical analysis

ISO 2049, Petroleum products — Determination of colour (ASTM scale)

DIN 52103, Determination of water absorption and saturation coefficient of natural stone and

mineral aggregates
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:
— ISO Online browsing platform: available at http://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
3.1
adhesion material

substance that is used to either prevent the occurrence of slipping or sliding or to enable recovery

of traction/ braking where slipping or sliding occurs
---------------------- Page: 8 ----------------------
kSIST-TS FprCEN/TS 15427-2-3:2020
FprCEN/TS 15427-2-3:2020 (E)
3.2
batch

entire content of a single identified production of material from the same manufacturing process

3.3
active interface
contact area between the wheel tread and the top of the rail
3.4
trainborne
type of system installed on a train
3.5
trackside
type of system installed on or adjacent to the track
3.6
customer

railway undertaking, infrastructure owner, manufacturer or buyer of railway products or

subassemblies, or their representative
3.7
supplier
supplier of adhesion materials
Note 1 to entry: A supplier might also be the manufacturer of the product.
3.8
product specification

document prepared by the customer that describes the conditions and requirements for the

lubricant to meet
4 Adhesion material requirements

The adhesion material shall be designed to either reduce the occurrence of slipping or sliding or

to enhance recovery of traction/ braking where slipping or sliding occurs.
Different materials may be used for traction/ braking.

When applied within the specified limits to the active interface the material shall not compromise

the safety of the railway (i.e braking distance, signalling systems).
NOTE See Annex A.
5 General requirements
5.1 Introduction

This clause outlines the information required to gain approval on most railway networks. It does

not cover its performance on the railway.
5.2 Product specification

The product specification shall be fully documented and shall include the following information:

---------------------- Page: 9 ----------------------
kSIST-TS FprCEN/TS 15427-2-3:2020
FprCEN/TS 15427-2-3:2020 (E)
a) purpose of material;
b) conformity to the applicable type tests as set out in Tables A.1 to A.3;

c) conformance with other relevant local requirements (such as environmental, fire, toxicity,

etc…)
d) application data:
1) including equipment it can be used with;
2) operating temperatures;

NOTE 1 The typical operating temperature range to take into account is from −25 °C to +80 °C.

e) Additional validation tests (see Table A.4);
f) Any previous relevant experience (i.e. use in other countries);
g) Conditions for packaging, storage and marking (see Clause 8);

NOTE 2 Where legislation and regulations (European, national or local) concerning ecological and

environmental compatibility of materials (biodegrability, toxicity, etc.) are applicable, consideration will

need to be given to the relevant requirements.
5.3 Technical file

A file of technical data showing compliance with the requirements in the product specification

and the results of type tests and trials shall be provided. A technical datasheet shall also be

provided (see Clause 7).

A material safety data sheet (MSDS) for the product in the language of the interested customer or

country shall be included.
6 Control and monitoring of product
6.1 Manufacturing process

If the manufacturing process is changed in a way that may affect the chemical composition,

geometric specification and/ or physical properties it shall be documented and the customer shall

be notified.
NOTE In some cases, this leads to a new approval being required.
6.2 Composition of material

If the composition of the material is changed in any way, it shall be documented and the customer

shall be notified.
NOTE In some cases, this leads to a new approval being required.
6.3 Routine tests
Routine tests ensure product consistency from batch to batch.
---------------------- Page: 10 ----------------------
kSIST-TS FprCEN/TS 15427-2-3:2020
FprCEN/TS 15427-2-3:2020 (E)

The routine tests are listed in Tables A1 to A3. If additional tests are required (such as those not

included in the tables or a type test) this and the frequency can be agreed between the client and

supplier.

The sample of material assessed for quality testing shall have been manufactured in a regular

production batch. The entire sample of material used for the approval tests shall be taken from

the same production batch and delivered in a single consignment and be representative of the

batch.
The results of the routine tests shall be recorded.
6.4 Additional measures

Retention of test records and samples, witnessing of tests, calibration of test equipment shall be

considered.
7 Technical datasheet
7.1 General

The technical datasheet shall include the individual identifying code or name of the material, a

description of the pr
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