BS IS0 9772:2020 BSl Standards Publication Cellular plastics Determination of horizontal burning characteristics of small specimens subjected to a small flame bsi. BSISO9772:2020 BRITISH STANDARD Nationalforeword This British Standard is the UK implementation of IS0 9772:2020. It supersedes BS IS0 9772:2012, which is withdrawn. The UKparticipation inits preparation was entrustedto Technical CommitteePRI/26, Burningbehaviourofplastics andrubbers. A listoforganizationsrepresented onthis committee can be obtained on requesttoitscommitteemanager. This publication does not purportto include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication. @TheBritishStandards Institution2020 PublishedbyBSIStandardsLimited2020 ISBN9780539033304 ICS83.100;13.220.40 Compliance with aBritish Standard cannot conferimmunityfrom legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31December 2020 Amendments/corrigenda issued sincepublication Date Text affected BS ISO 9772:2020 ISO INTERNATIONAL STANDARD 9772 Fourth edition 2020-11-24 Cellular plastics Determination of horizontal burning characteristics of small specimens subjected to a small flame Plastiquesalveolaires-Déterminationdes caractéristiquesde combustion depetites éprouvettesenpositionhorizontale, soumisesd unepetiteflamme Reference number IS0 9772:2020(E) ISO @IS02020