ISO INTERNATIONAL STANDARD 7823-1 Fourth edition 2003-06-01 Plastics Poly(methyl methacrylate) sheets - Types, dimensions and characteristics Part 1: Cast sheets Plastiques Plaques en poly(methacrylate de methyle) - Types, dimensionsetcaracteristiques Partie 1: Plaques coulees Reference number ISO 7823-1:2003(E) ISO @ ISO 2003 IHSunder Not for Resale ISO 7823-1:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In @ISO2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's memberbody in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland CoyghteaionaganzatioSandardizatio @Iso2003-All rightsreserved itted without license from IHS Not for Resale ISO 7823-1:2003(E) Contents Page Foreword iv 1 Scope. 2 Normative references 3 Terms and definitions.. 4 Composition 3 5 General requirements . 3 6 Testmethods. 7 Retestand rejection... Annex A (normative) Determination of dimensional change on heating (shrinkage).. Copyright International Organization for Standardization rights reserved ii IHSunder se from IHS Not for Resale ISO 7823-1:2003(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeen established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with isO, also take part in the work. iso collaborates closely with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. 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. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 7823-1 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 11, Products. revised. sheets-Types,dimensionsandcharacteristics Part 1: Cast sheets Part 2: Extruded sheets Part 3: Continuous cast sheets @ ISO 2003 - All rights reserved nal Organization for Standardizatior INTERNATIONAL STANDARD ISO 7823-1:2003(E) Plastics Poly(methyl methacrylate) sheets Types, dimensions and characteristics Part 1: Cast sheets 1 Scope This part of SO 7823 specifies requirements for non-modified flat poly(methyl methacrylate) (PMMA) cast translucent or opaque. The thickness range of the sheets covered by this part of isO 7823 is 1,5 mm to 25 mm. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated document (including any amendments) applies. Iso 62:1999, Plastics—Determination of water absorption Iso 75-1:—1), Plastics - Determination of temperature of deflection under load- Part 1: General test method Iso 75-2:2