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TECHNICAL SPECIFICATION SPÉCIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION

CEN/TS 14243

April 2010

ICS 13.030.50; 83.160.01 Supersedes CWA 14243:2002

English Version

Materials produced from end of life tyres - Specification of categories based on their dimension(s) and impurities and methods for determining their dimension(s) and impurities

Matériaux produits à partir de pneumatiques en fin de vie - Spécification de catégories basées sur leur(s) dimension(s)

et impuretés et méthodes pour déterminer leur(s) dimension(s) et impuretés

Materialen aus Altreifen - Festlegung von Klassen anhand ihrer Abmessung(en) und Verunreinigungen und Verfahren

zur Bestimmung ihrer Abmessung(en) und Verunreinigungen

This Technical Specification (CEN/TS) was approved by CEN on 4 January 2010 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION C O M IT É E U R O P É E N D E N O R M A LIS A T IO N EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels

Ref. No. CEN/TS 14243:2010: E This preview is downloaded from www.sis.se. Buy the entire standard via https://www.sis.se/std-74299

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2

Foreword

This document (CEN/TS 14243:2010) has been prepared by Technical Committee CEN/TC 366 “Project Committee - Tyre recycling”, the secretariat of which is held by UNI.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.

This document supersedes CEN/CWA 14243:2002.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to announce 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.

SIS-CEN/TS 14243:2010 (E)

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6

Introduction

This Technical Specification is the first in a foreseen series of Technical Specifications. Such series would cover the testing programmes needed to characterise each product category as shown on the figure below.

"in the field" "in the field"

Typical scheme for a testing programme concerning several characteristics with testing steps in the field (1-2-3)

and in the laboratory (3-4-5-6-7)

Testing Programme on characteristics A, B, C, D A = Characteristic of the "dimension" type B, C = Characteristic of the "content" type D = Characteristic of the "apparent density" type

Define the Sampling Plan for Properties A, B, C,D Take a field sample for characteristics A, B, C

in accordance with the Sampling Plan WORK FILE

Laboratory sample and record for characteristics A, B, C

Test sample and test portion preparation for characteristic A

WORK FILE

Test sample and test portion preparation for characteristics B, C

WORK FILE

Customer and/or manufacturer evaluates the data and report against the

Testing Programme Objectives WORK FILES collection - Production

of the overall Measurements - Testing Report for characteristics A, B, C, D

Extraction for characteristics B, C WORK FILE

Analysis for characteristics B, C WORK FILE

Overall Report of Measurements - Testing for Properties A, B, C, D Quantification for characteristic A

WORK FILE

Quantification for characteristic D WORK FILE Test sample and test portion preparation for characteristic D

WORK FILE Storage, Transport,

storage WORK FILE

Storage, Transport, storage WORK FILE Laboratory sample and record

for characteristic D Take a field sample for characteristic D

in accordance with the Sampling Plan WORK FILE

Clustomer and/or manufacturer defines the Testing Programme and its objectives, which are the Term of Reference

for the testing laboratory(ies)

1

2

3

4

5

6

7

"in the laboratory" "in the laboratory"

Figure 1 — Typical scheme for a testing programme concerning several characteristics with testing steps in the field and in the laboratory

End-of-life tyres consist mainly of passenger and commercial vehicle tyres, and truck tyres manufactured for distribution in the European market. Products from end-of-life tyres are used as a secondary raw material finding a wide range of applications. The principal categories of materials from end-of-life tyres are defined on the basis of their dimension(s) according to this Technical Specification. Determination of additional dimensions/impurities according to the test methods specified in normative Annexes A, B, C and D may be performed if required by agreement between the producer and the customer or at the producer's own will.

European Standards are needed for the production, trade and use of the materials from end-of-life tyres. They are also useful for buyers of materials, regulators, controllers and laboratories.

SIS-CEN/TS 14243:2010 (E)This preview is downloaded from www.sis.se. Buy the entire standard via https://www.sis.se/std-74299

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7 The materials produced at different stages of the treatment processes, primarily by size reduction, of end-of- life tyres are as follows:

⎯ cuts: typically 300 mm and above;

⎯ shreds: typically 20 mm – 400 mm;

⎯ chips: typically 10 mm – 50 mm;

⎯ granulates: typically 0,8 mm – 20 mm;

⎯ powders: typically under 0,8 mm;

⎯ steel;

⎯ textiles.

They may be distinguished mainly according to their dimension(s).

SIS-CEN/TS 14243:2010 (E)

categories based on their dimension(s) and impurities and methods for determining their dimension(s) and impurities

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TECHNICAL SPECIFICATION SPÉCIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION

CEN/TS 14243

Materials produced from end of life tyres - Specification of categories based on their dimension(s) and impurities and methods for determining their dimension(s) and impurities

Contents

Foreword

Introduction

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