ISO INTERNATIONAL STANDARD 1183-2 Secondedition 2019-03 Plastics Methods for determining the density of non-cellular plastics Part 2: Density gradient column method Plastiques-Methodes de determination de la masse volumique des plastiques non alveolaires- Partie 2: Methode de la colonne a gradient de masse volumique Referencenumber IS01183-2:2019(E) @IS0 2019 IS01183-2:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2019 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 orIso's memberbody in the countryof therequester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax:+4122749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019- All rights reserved IS01183-2:2019(E) Contents Page Foreword ..iv 1 Scope ..1 2 Normativereferences 3 Terms and definitions 4 Conditioning .2 5 Method. .2 5.1 Apparatus .2 5.2 Immersion liquids .2 5.3 Specimens. .3 5.4 Procedure .3 5.4.1 Preparation and calibration of glass floats .3 5.4.2 Preparationofdensitygradientcolumn .3 5.4.3 Measurementofdensity 3 5.4.4 Calculations .4 6 Test report ..4 AnnexA (informative)Liquid systems suitablefor densitydeterminations AnnexB(informative)Preparationofdensitygradientcolumn Bibliography .11 @IS0 2019-All rights reserved iii