International ISO Standard ISO13061-13 Second edition Physical and mechanical properties 2024-02 of wood -Test methods for small clear wood specimens - Part 13: Determination of radial and tangential shrinkage Proprietés physiqueset mecaniques dubois Méthodes d'essais sur petites éprouvettes de bois sans defauts - Partie 13:Détermination des retraits radialet tangentiel Reference number @ISO 2024 ISO 13061-13:2024(en) ISO 13061-13:2024(en) COPYRIGHT PROTECTED DOCUMENT OISO2024 All rights reserved.Unless otherwisespecified,or required in the context of its implementation,no part of this publication may be reproduced or utilized otherwisein any form or by any means,electronicor mechanical,including photocopying,or posting on the internet or an intranet, without prior written permission.Permission can be requested from either ISO at the address 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:+41227490111 Email:copyright@iso.org Website:www.iso.org Published in Switzerland @ISO 2024-All rights reserved ii ISO13061-13:2024(en) Contents Page Foreword Introduction 1 Scope 2 Normativereferences 3 Terms anddefinitions 4 Principle 5 Apparatus 6 Preparation of test pieces . 6. 1 General 6.2 Test pieces for determining radial and tangential shrinkage 6.3 Inclination ofannual rings of test pieces .... 6.4 Marking ofmeasurement points.. 7 Procedure 7.1 Determination of the dimensions of test piecesin green or fully saturated condition 7.2 Determination of the dimensions of test pieces at oven-dry sta.. te. 8 Calculationand expression of results 9 Test report O ISO 2024-Allrightsreserved ili