ENISO 9773 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM September 2024 Supersedes EN IS0 9773:1998, EN IS0 ICS13.220.40;83.080.01 9773:1998/A1:2003 English Version Plastics - Determination of burning behaviour of thin flexible vertical specimens in contact with a small-flame ignition source (IS0 9773:2024) Plastiques - Détermination du comportement au feu Kunststoffe - Bestimmung des Brandverhaltens von d'eprouvettes minces verticales souples au contact dinnen, biegsamen, vertikal ausgerichteten d'une petite flamme comme source d'allumage (Iso Probekorpern in Kontakt mit einer kleinen Zundquelle 9773:2024) (IS0 9773:2024) This European Standard was approved by CEN on 11 May 2024. CEN members are bound 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 concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by Centrehasthe same status as theofficial versions. 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, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and United Kingdom. cer EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels @2024CEN Ref. No. EN ISO 9773:2024 E All rightsofexploitationinanyformandbyanymeans reserved worldwideforCENnational Members. EN IS0 9773:2024 (E) Contents Page 2 EN IS0 9773:2024 (E) European foreword This document (EN IS0 9773:2024) has been prepared by Technical Committee IS0/TC 61 "Plastics" in collaboration with Technical Committee CEN/TC 249 "Plastics" the secretariat of which is held by SIS. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2025, and conflicting national standards shall be withdrawn at the latest by March 2025. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN IS0 9773:1998. Any feedback and questions on this document should be directed to the users' national standards body/national committee. A complete listing of these bodies can be found on the CEN website. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and the United Kingdom. Endorsement notice The text of IS0 9773:2024 has been approved by CEN as EN IS0 9773:2024 without any modification. 3