ISO INTERNATIONAL STANDARD 4823 Fifth edition 2021-02 Dentistry Elastomeric impression and bite registration materials Médecine bucco-dentaire - Produits pour empreintes et matériaux pour enregistrement des rapports intermaxillaires a base d'élastomeres Reference number IS0 4823:2021(E) OS1 @ ISO 2021 IS0 4823:2021(E) COPYRIGHTPROTECTEDDOCUMENT IS02021 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 below or ISo's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2021 - All rights reserved