BS EN IS0 21305-1:2019 BSl Standards Publication Plastics - Polycarbonate (PC) moulding and extrusion materials Part 1: Designation system and basis for specifications bsi. BSENIS021305-1:2019 BRITISH STANDARD National foreword This British Standard is theUK implementation of ENIS021305-1:2019. It is identicalto IS021305-1:2019.It supersedesBSENIS07391-1:2006 which is withdrawn. The UK participation in its preparation was entrusted to Technical CommitteePRI/82,Thermoplasticmaterials. A list of organizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication @TheBritish Standards Institution2019 Published by BSI Standards Limited 2019 ISBN9780580929533 ICS83.080.20 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyand StrategyCommitteeon31March2019. Amendments/corrigendaissuedsincepublication Date Textaffected BSENIS021305-1:2019 EN IS0 21305-1 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHE NORM March 2019 ICS83.080.20 Supersedes ENIS07391-1:2006 English Version Plastics - Polycarbonate (PC) moulding and extrusion materials - Part 1: Designation system and basis for specifications (IS0 21305-1:2019) Plastiques - Materiaux a base de polycarbonate (PC) Kunststoffe - Polycarbonat (PC)-Werkstoff - Teil 1: pour moulage et extrusion - Partie 1: Systeme de Bezeichnungssystem und Basis fur Spezifikationen désignation et base de specifications (IS0 21305- (IS0 21305-1:2019) 1:2019) This European Standard was approved by CEN on 8 February 2019. CENmembers arebound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FURNORMUNG CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels @2019CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 21305-1:2019 E worldwide for CEN national Members.