ISO-1872-2-2007.pdf
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1、 Reference number ISO 1872-2:2007(E) ISO 2007 INTERNATIONAL STANDARD ISO 1872-2 Third edition 2007-02-01 Plastics Polyethylene (PE) moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties Plastiques Polythylne (PE) pour moulage et extrusion Partie 2: Pr
2、paration des prouvettes et dtermination des proprits ISO 1872-2:2007(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and inst
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5、please inform the Central Secretariat at the address given below. ISO 2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in wri
6、ting from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2007 All rights reserved -,-,- IS
7、O 1872-2:2007(E) ISO 2007 All rights reserved iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each
8、 member body interested in a subject for which a technical committee has been 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 Internationa
9、l Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards
10、 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
11、 patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 1872-2 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 9, Thermoplastic materials. This third edition cancels and replaces the second edition (ISO 1872-2:1997), which has bee
12、n technically revised, and incorporates Amendment Amd.1:2000. ISO 1872 consists of the following parts, under the general title Plastics Polyethylene (PE) moulding and extrusion materials: Part 1: Designation system and basis for specifications Part 2: Preparation of test specimens and determination
13、 of properties -,-,- INTERNATIONAL STANDARD ISO 1872-2:2007(E) ISO 2007 All rights reserved 1 Plastics Polyethylene (PE) moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties 1 Scope This part of ISO 1872 specifies the methods of preparation of test s
14、pecimens and the test methods to be used in determining the properties of polyethylene (PE) moulding and extrusion materials. Requirements for handling test material and for conditioning both the test material before moulding and the specimens before testing are given. Procedures and conditions for
15、the preparation of test specimens and procedures for measuring properties of the materials from which these specimens are made are also given. Properties and test methods that are suitable and necessary to characterize PE moulding and extrusion materials are listed. The properties have been selected
16、 from the general test methods in ISO 10350-1. Other test methods in wide use for or of particular significance to these moulding and extrusion materials are also included in this part of ISO 1872, as are the designatory properties specified in ISO 1872-1. In order to obtain reproducible and compara
17、ble test results, it is necessary to use the methods of preparation and conditioning, the specimen dimensions and the test procedures specified herein. Values determined will not necessarily be identical to those obtained using specimens of different dimensions or prepared using different procedures
18、. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 62, Plastics Determi
19、nation of water absorption ISO 75-2, Plastics Determination of temperature of deflection under load Part 2: Plastics and ebonite ISO 178, Plastics Determination of flexural properties ISO 179-1, Plastics Determination of Charpy impact properties Part 1: Non-instrumented impact test ISO 179-2, Plasti
20、cs Determination of Charpy impact properties Part 2: Instrumented impact test ISO 293, Plastics Compression moulding of test specimens of thermoplastic materials ISO 294-1, Plastics Injection moulding of test specimens of thermoplastic materials Part 1: General principles, and moulding of multipurpo
21、se and bar test specimens -,-,- ISO 1872-2:2007(E) 2 ISO 2007 All rights reserved ISO 294-3, Plastics Injection moulding of test specimens of thermoplastic materials Part 3: Small plates ISO 294-4, Plastics Injection moulding of test specimens of thermoplastic materials Part 4: Determination of moul
22、ding shrinkage ISO 527-2, Plastics Determination of tensile properties Part 2: Test conditions for moulding and extrusion plastics ISO 899-1, Plastics Determination of creep behaviour Part 1: Tensile creep ISO 1133:2005, Plastics Determination of the melt mass-flow rate (MFR) and the melt volume-flo
23、w rate (MVR) of thermoplastics ISO 1183-1, Plastics Methods for determining the density of non-cellular plastics Part 1: Immersion method, liquid pyknometer method and titration method ISO 1183-2, Plastics Methods for determining the density of non-cellular plastics Part 2: Density gradient column m
24、ethod ISO 1183-3, Plastics Methods for determining the density of non-cellular plastics Part 3: Gas pyknometer method ISO 1628-3, Plastics Determination of the viscosity of polymers in dilute solution using capillary viscometers Part 3: Polyethylenes and polypropylenes ISO 1872-1:1993, Plastics Poly
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