ISO INTERNATIONAL STANDARD 16012 Secondedition 2015-03-15 Plastics Determination of linear dimensions of test specimens Plastiques - Détermination des dimensions linéaires des éprouvettes Reference number IS0 16012:2015(E) SO International Organization for Standardization Zhejang Institute of Standardization 5956617 @ IS0 2015 vided by IHS under I Not for Resale, 2015/6/2 07:15:01 itted without license from IHS IS0 16012:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2015 All rights reserved. Unless otherwise specified, 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 copyrightoffice Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax +4122 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland Prganizationfor Standardization I by IHS unde Not for Resale, 2015/6/2 07:15:0 etworking permitted without license from IHS IS0 16012:2015(E) Contents Page Foreword ..iv 1 Scope 1 2 Normative references ..1 3 Terms and definitions ..1 4 Measuring equipment. .2 4.1 General 2 4.2 Micrometers .2 4.3 Vernier callipers 2 4.4 Dead-weight dial gauge micrometers and electronic digital indicator gauges .2 4.5 Non-contact devices and other alternative devices 3 5 Procedure .3 5.1 General 3 5.2 Accuracy requirements 4 5.3 Number and location of measurement points .4 5.4 Calibration of equipment 4 5.5 Measuring with a micrometer 4 5.6 Measuring with vernier callipers .5 5.7 Measuring with a dead-weight dial gauge micrometer or electronic indicator .5 5.8 Measuring with non-contact devices 6 Test report ..5 Annex A (informative) Possible types of contact face for dead-weight gauge micrometers .7 Annex B (informative) Measurement of injection moulded specimens Bibliography .9 iii Institute of Standardization 5956617 lout license from IHS