ISO INTERNATIONAL STANDARD 16871 First edition 2003-05-15 Plastics piping and ducting systems Plastics pipes and fittings Method for exposure to direct (natural) weathering Systemes de canalisations et de gaines en matieres plastiques - Tubes et raccords en matieres plastiques Méthode pour I'exposition directe aux intempéries Reference number ISO 16871:2003(E) ISO @ ISO 2003 y IHS under ted without license from IHS Not for Resale ISO16871:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2003 - All rights reserved ermittedwithoutlicense from IHS Not for Resale ISO 16871:2003(E) Contents Page Foreword. .iv Introduction 1 Scope 2 Normative references 3 Principle 4 Apparatus.. 2 5 Test pieces 6 Procedure... 7 Test report... CopyrightIntemationalOrganzaadardizatightsreserved ili dby IHS under se with I: ed without license from IHS Not for Resale ISO 16871:2003(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through ISO technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeer InternationalElectrotechnicalCommission(iEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 16871 was prepared by Technical Committee ISO/TC 138, Plastics pipes, fitings and valves for the transport of fluids, Subcommittee Sc 5, General properties of pipes, fittings and valves of plastic materials and their accessories Test methods and basic specifications. @ISO2003-Allrightsreserved onal Organization for Standardizatior ISO 16871:2003(E) Introduction Outdoor exposure tests of the type specified in this International Standard are needed to evaluate the performance of plastics piping components or materials when exposed to direct sunlight. The results of such tests should be regarded only as an indication of the effect of exposure to direct weathering by the method described. Results obtained after exposure for a given time may not be comparable to those obtained after other exposures of equal time using the same method. When identical materials are exposed at different times intervals. However, even in long-term tests, the results may be affected by the season in which the tests are started. The results of short-term direct-weathering tests can give an indication of the relative outdoor performance. bu