ISO INTERNATIONAL STANDARD 3233-3 First edition 2015-05-15 Paints and varnishes Determination of the percentage volume of non- volatile matter Part 3: Determination by calculation from the non-volatile-matter content determined in accordance with IsO 3251, the density of the coating material and the density of the solvent in the coating material Peintures et vernis - Détermination du pourcentage en volume de matiere non volatile- Partie 3: Détermination par calcul a partir de la teneur en matiere non volatile déterminée conformément a I'ls0 3251, de la masse volumique du produit de peinture et de la masse volumique du solvant duproduit depeinture Reference number IS03233-3:2015(E) ISO International Organization for Standardization @ IS0 2015 e from IHS IS03233-3:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Intenatinair PrganizationforStandardization Not for Resale, 2015/8/6 09:52:58 etworking permitted without license from IHS IS0 3233-3:2015(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. .1 2 Normative references ..1 3 Terms and definitions ..1 4 Principle ..2 5 Procedure .2 5.1 Determination of the theoretical dry film density .2 5.2 Determinationofthedensity. .3 5.3 Determinationoffilmthickness .3 6 Calculation .3 6.1 Calculation of the theoretical dry film density 3 6.2 Calculation of the non-volatile matter by volume using the theoretical dry film density .. 6.3 Determination of the theoretical spreading rate 4 7 Precision .5 7.1 Repeatability limit. ..5 7.2 Reproducibility limit .5 8 Test report ..5 Annex A (informative) Derivation of the theoretical dry film thickness ..6 Annex B (informative) Derivation of the theoretical spreading rate ..8 Annex C (informative) Example for the calculation of the theoretical spreading rate ..11 Annex D (informative) Overview on the existing methods for determination of non-volatile- matter content and volume of non-volatile matter. 12 Bibliography .14 iii Institute of Standardization 5956617 thout license from IHS