ISO INTERNATIONAL STANDARD 15853 First edition 1999-12-01 Thermoplastics materials Preparation of tubular test pieces for the determination of the hydrostatic strength of materials used for injection moulding Matieres thermoplastiques Préparation d'éprouvettes tubulaires pour la destinées au moulage par injection ISO Referencenumber ISO 15853:1999(E) ISO15853:1999(E) Contents Page 1Scope 2 Normative references 3 Terms and definitions 4Apparatus 4.1Mould 4.2 Injection-moulding machine 5 Test pieces . 5.1General 5.2 Injection-moulded test pieces . 5.3 Extruded test pieces... 6 Injection-moulding process. 7 Characteristics of the injection-moulded test pieces . 7.1 General. 6 7.2 Appearance 7.3 Dimensions. 7.4 Oven test.. 6 7.5 Crushing test 7.6 Test piece production report @ISO1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic International OrganizationforStandardization Case postale 56 . CH-1211 Geneve 20 · Switzerland Internet [email protected] Printed in Switzerland ii @ISO ISO15853:1999(E) Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(lSo member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has liaison with IsO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote International Standard ISO 15853 was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves for the transport of fluids, Subcommittee Sc 5, General properties of pipes, fittings and valves of plastic materials and their accessories - Test methods and basic specifications. ii