Aging

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  • Topic: Ozone, Ozone cracking, Synthetic rubber
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  • Published : March 13, 2013
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Ageing of Rubber

Accelerated Weathering and Ozone Test Results

R.P. Brown, T. Butler and S.W. Hawley

Europe’s leading independent plastics and rubber specialists

Ageing of Rubber
Accelerated Weathering and Ozone Test Results

R.P. Brown, T. Butler and S.W. Hawley Rapra Technology Limited

This report is an output from the Weathering of Elastomers and Sealants project which forms part of the UK government’s Department of Trade and Industry’s Degradation of Materials in Aggressive Environments Programme.

Rapra Technology Limited
Shawbury, Shrewsbury, Shropshire SY4 NNR, United Kingdom Telephone: +44 (0)1939 250383 Fax: +44 (0)1939 251118 http://www.rapra.net

Practical Guide to Polyethylene

First Published in 2001 by

Rapra Technology Limited
Shawbury, Shrewsbury, Shropshire, SY4 4NR, UK

©Copyright 2001 Rapra Technology Limited

A catalogue record for this book is available from the British Library. ISBN: 978-1-85957-264-1 Every effort has been made to contact copyright holders of any material reproduced within the text and the authors and publishers apologise if any have been overlooked.

All rights reserved. Except as permitted under current legislation no part of this publication may be photocopied, reproduced or distributed in any form or by any means or stored in a database or retrieval system, without the prior permission from the copyright holder. The report is published in good faith, but on the basis that no responsibility or liability of any nature shall attach to Rapra Technology Limited arising out of or in connection with any utilisation in any form of any material contained herein

Typeset by Rapra Technology Limited Printed and bound by Lightning Source UK Ltd

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Contents
1. Introduction ...................................................................................................................... 1 2. Materials .......................................................................................................................... 1 2.1 Original Materials ..................................................................................................... 1 2.2 New Materials ........................................................................................................... 2 3. Preparation of Test Pieces ................................................................................................. 3 4. Physical Tests .................................................................................................................... 3 5. Exposure of Test Pieces ..................................................................................................... 3 5.1 Weathering ................................................................................................................. 3 5.2 Ozone Exposure......................................................................................................... 4 6. Weathering Results (Appendix 2) ..................................................................................... 4 6.1 Presentation ............................................................................................................... 4 6.2 Uncertainty ................................................................................................................ 5 6.3 Interpretation of results ............................................................................................. 5 7. Ozone Results (Appendix 3) ............................................................................................. 6 8. Discussion ......................................................................................................................... 6 8.1 Weathering ................................................................................................................. 6 8.1.1 General ............................................................................................................. 6 8.1.2...
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