ISO INTERNATIONAL STANDARD 26723 First edition 2020-04 Plastics Determination of total luminous transmittance and reflectance Plastiques - Détermination de la transmission lumineuse totale et de laréflectance Reference number ISO 26723:2020(E) ISO @ ISO 2020 IS0 26723:2020(E) COPYRIGHTPROTECTEDDOCUMENT @IS02020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting beloworIso'smemberbody inthecountryoftherequester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved

ISO 26723 2020 Plastics — Determination of total luminous transmittance and reflectance

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