BS EN ISO 294-2:1998:2006 Edition
$86.31
Plastics. Injection moulding of test specimens of thermoplastic materials – Small tensile bars
| Published By | Publication Date | Number of Pages |
| BSI | 2006 | 12 |
PDF Catalog
| PDF Pages | PDF Title |
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| 1 | BRITISH STANDARD BS EN ISO 294-2:1998 BS 2782-9: Method 910C: 1997 Plastics – Injection moulding of test specimens of thermoplastic materials – Part 2: Small tensile bars |
| 2 | This British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 May 1997 National foreword This British Standard is the English language version of EN ISO 294-2:1998, including amendment A1:2005. It is identical with ISO 294-2:1996, including amendment 1:2004. The start and finish of text introduced or altered by CEN amendment is indicated in the text by tags !”. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by !”. The UK participation in its preparation was entrusted to Technical Committee PRI/21, Testing of plastics, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BS… This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN ISO title page, page 2, the ISO title page, page ii, pages 1 and 2, an inside back cover and a back cover. |
| 3 | Contents |
| 5 | EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN ISO 294-2 +A1 Descriptors: See ISO document English version Plastics – Injection moulding of test specimens of thermoplastic materials – Part 2: Small tensile bars (includes amendment A1:2005) (ISO 294-2:1996 + A1:2004) Kunststoffe – Spritzgießen von Probekörpern aus Thermoplasten – Teil 2: Kleine Zugstäbe (enthält Änderung A1:2005) (ISO 294-2:1996 + A1:2004) This European Standard was approved by CEN on 12 June 1998; amendment A1:2005 was approved by CEN on 8 August 2005. |
| 6 | Foreword The text of the International Standard from Technical Committee ISO/TC 61, Plastics, of the International Organization for Stand… This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 1999, and conflicting national standards shall be withdrawn at the latest by January 1999. According to CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, B… Endorsement notice The text of the International Standard ISO 294-2:1996 has been approved by CEN as a European Standard without any modification. Contents Foreword to amendment A1 The text of ISO 294-2:1996/Amd 1:2004 has been prepared by Technical Committee ISO/TC 61, Plastics, of the International Organiz… This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2006, and conflicting national standards shall be withdrawn at the latest by February 2006. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to … Endorsement notice The text of ISO 294-2:1996/Amd 1:2004 has been approved by CEN as EN ISO 294-2:1998/A1:2005 without any modifications. |
| 8 | Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodi… 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 294-2 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 9, Thermoplastic materials. Together with the other parts, this part of ISO 294 cancels and replaces the second edition of ISO 294 (ISO 294:1995) which has … Care has been taken to ensure that the ISO moulds described can all be fitted in existing injection-moulding equipment and have interchangeable cavity plates. ISO 294 consists of the following parts, under the general title Plastics – Injection moulding of test specimens of thermoplastic materials: Foreword to ISO amendment ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodi… 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 adopted by the techni… 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. Amendment 1 to ISO 294-2:1996 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 9, Thermoplastic materials. |
| 9 | 1 Scope This part of ISO 294 specifies a four-cavity mould, the type C ISO mould, for the injection moulding of small tensile bars measuring > 60 mm ° 10 mm ° 3 mm (the type 4 test specimen in ISO 8256:1990). 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO 294…. ISO 294-1:1996, Plastics – Injection moulding of test specimens of thermoplastic materials – Part 1: General principles, and moulding of multipurpose and bar test specimens. ISO 8256:1990, Plastics – Determination of tensile-impact strength. !ISO 11403-3:1999, Plastics – Acquisition and presentation of comparable multipoint data – Part 3: Environmental influences on properties”. 3 Definitions See ISO 294-1:1996, clause 3. 4 Apparatus 4.1 Type C ISO mould The type C ISO mould is a four-cavity mould with a double-T runner (see Figure 1) intended for the preparation of small tensile … Figure 1 – Cavity plate for a type C ISO mould |
| 10 | The main constructional details of the type C ISO mould shall be as shown in Figure 1 and shall meet the requirements given in ISO 294-1:1996, subclause 4.1.1.4, items a) to n), with the following exception: The thickness of the test specimens shall be 3,0 mm ± 0,2 mm, i.e. the depth of the cavities shall be 3,0 mm to 3,2 mm. 4.2 Injection-moulding machine See ISO 294-1:1996, subclause 4.2, with the following exception: In subclause 4.2.4, the recommended minimum locking force FM for the type C ISO mould is given by FM > 5 500 ° pmax ° 10-3, i.e. 440 kN for a maximum melt pressure of 80 MPa. 5 Procedure 5.1 Conditioning of material See ISO 294-1:1996, subclause 5.1. 5.2 Injection moulding See ISO 294-1:1996, subclause 5.2, but with the following new text for subclause 5.2.2. For the type C ISO mould, it is recommended that the injection velocity v1 be chosen such that the injection time t1 is comparable to that used for the type A ISO mould. 6 Report on test-specimen preparation The report shall include the following information: a) a reference to this part of ISO 294; b) to h): see ISO 294-1:1996, clause 6, items b) to h). |
| 11 | Annex ZA (normative) Normative references to international publications with their relevant European publications This European Standard incorporates by dated or undated reference, provisions from other publications. These normative reference… |
| 12 | BS EN ISO 294-2:1998 BS 2782-9: Method 910C: 1997 BSI 389 Chiswick High Road London W4 4AL BSI – British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an ina… BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 89… In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical… Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase pri… Information regarding online access to British Standards via British Standards Online can be found at http://www.bsi-global.com/bsonline. Further information about BSI is available on the BSI website at http:// www.bsi-global.com. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international st… This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size,… Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: [email protected]. |
