ISO INTERNATIONAL STANDARD 16894 First edition 2009-11-15 Wood-based panels Oriented strand board (OsB) Definitions, classification and specifications Panneaux a base de bois-Panneaux delamelles minces, longues et orientées (OsB)Définitions, classification et spécifications Reference number ISO 16894:2009(E) @ ISO 2009 COPYRIGHTPROTECTEDDOCUMENT @ISO2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's memberbody in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland = @IsO2009-All rights reserved ISO 16894:2009(E) Contents Page Foreword .iv 1 Scope 2 Normative references 3 Terms, definitions and abbreviated terms. 3.1 Terms and definitions . 3.2 Abbreviated terms. 4 Classification of the OSB 5 General requirements of all OsB types... 6 Requirement values 7 Requirements for general purpose non-load-bearing OsB for interior fitments for use in 8 Requirements for load-bearing OSB for use in dry conditions (Type OSB LB-REG) 9 Requirements for load-bearing OSB for use in humid conditions (Type OSB LB-MR). 9.1 General. 9.2 Mechanical and swelling properties... 9.3 Moistureresistance... 10 Requirements for heavy duty load-bearing OsB for use in humid conditions (Type OsB HLB-MR) 10.1 General 10.2 Mechanical and swelling properties.... 10.3 Moisture resistance.. 11 Marking... .8 Annex A (normative) Calculation of the 5th percentile and 95th percentile values. .9 Annex B (normative) Alternative moisture cycle for moisture resistance.. Annex C (normative) Supplementary properties Bibliography.... @ ISO 2009 - All rights reserved ii