BS IS0 17492:2019 BSl Standards Publication Clothing for protection against heat and flame Determination of heat transmission on exposure to both flame and radiant heat bsi. BSIS017492:2019 BRITISH STANDARD National foreword This British Standard is the UK implementation of IS0 17492:2019 The UK participation in its preparation was entrusted to Technical CommitteePH/3/2, Heat andFlame Personal Protective Equipment. A list of organizations represented on this committee can be obtained on requestto its secretary. The UK committee voted against this standard because of its requirement to reportobserved changesto test specimen appearance, some examples of which are listed, though the list is open-ended. The committee wanted thekind of warning that applies to other test methods in relation to avoiding such'assessments'in product standards. In addition, the requirement to report both the mass per unit area and the thickness of the test specimens is not one that applies to any related testmethods. Thispublication does not purportto include allthe necessary provisions ofa contract.Users are responsiblefor its correct application. @The British Standards Institution2019 Published by BSI Standards Limited 2019 ISBN9780580949166 ICS13.340.10 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31October2019. Amendments/corrigendaissued sincepublication Date Text affected BSISO17492:2019 ISO INTERNATIONAL STANDARD 17492 Second edition 2019-10-08 Clothing for protection against heat and flame Determination of heat transmission on exposure to both flame and radiant heat Vetementsdeprotectioncontrelachaleuretlaflamme- Détermination de latransmissiondechaleur lorsde I'exposition simultaneeauneflammeetaunesourcedechaleurradiante Reference number IS0 17492:2019(E) ISO @ IS0 2019