ISO INTERNATIONAL STANDARD 17749 First edition 2018-05 Thermal insulation products - Sheep wool mat and board Specification Produits d'isolation thermique - Panneaux et tapis en laine de moutonSpécifications Reference number IS0 17749:2018(E) so International Organization for Standardization Shenzhen Institute of Standards and Technology 9972181 @IS02018 IS0 17749:2018(E) COPYRIGHTPROTECTEDDOCUMENT @IS02018 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 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 CP401·Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ganizationfor Standardization ensee-sShenzhen Inste o tandards anedSogie- All rights reserved rious National Standards Bodies IS0 17749:2018(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms .2 4.1 Symbols. .2 4.2 Abbreviated terms .3 5 Requirements .3 5.1 General .3 5.2 Material properties .3 5.2.1 Thermal resistance and thermal conductivity 3 5.2.2 Length and width ..4 5.2.3 Thickness. 4 5.2.4 Reaction to fire .5 5.2.5 Moisture content .5 5.3 Specific requirements 5 5.3.1 Apparent density 5 5.3.2 Sound absorption .5 5.3.3 Formaldehyde release 5.3.4 Thickness recovery ratio .5 6 Test methods. .6 6.1 Sampling. ..6 6.2 Conditioning .6 6.3 Procedure 6.3.1 General .6 6.3.2 Thermal resistance and thermal conductivity ..7 7 Designation code .7 8 Product conformity 8.1 :> General .7 8.2 Initial type testing ..8 8.3 Factory production control .8 9 Marking and labelling. .8 Annex A (normative) Determination of the declared values of thermal resistance and thermalconductivity 9 Annex B (normative) Factory production control .11 Annex C (normative) Determination of the thermal conductivity in relation to moisture content 12 Annex D (normative) Thickness-recovery ratio test method ..14 Annex E (informative) Evaluation ofconformity ..16 Bibliography ..17 iii =Shenzhen Institute of Standards and Technology 9972181 Tanoutlicensena