1、ICS 23.040.20 Ref. No. ISO 17455:2005/Cor.1:2007(E) ISO 2007 All rights reserved Published in Switzerland INTERNATIONAL STANDARD ISO 17455:2005 TECHNICAL CORRIGENDUM 1 Published 2007-03-01 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATIONPlastics piping syst
2、ems Multilayer pipes Determination of the oxygen permeability of the barrier pipe TECHNICAL CORRIGENDUM 1 Systmes de canalisations en plastiques Tubes multicouches Dtermination de la permabilit loxygne de la couche barrire dun tube RECTIFICATIF TECHNIQUE 1 Technical Corrigendum 1 to International St
3、andard ISO 17455:2005 was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings 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. Page 2, Clause 4 Introduce a new symbol and its description to the list of symbols and abbreviated terms: R ox,tot total rate of transfer of oxygen through the pipe wall, expressed in grams per hour (g/h) Page 7, 11.1 Replace Equation (3) with the following equation: () pipe app ox,tot ox,t VV RC t + = (3)
