ISO Plastics — Polyethylene (PE) moulding and extrusion materials — Part 2: Preparation of test specimens and determination of properties. INTERNATIONAL. STANDARD. ISO. Third edition. Plastics — Polyethylene (PE) moulding and extrusion materials —. Part 2: Preparation of . This British Standard was published by BSI. It is the UK implementation of. EN ISO It supersedes BS EN ISO which.
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BS EN ISO 1872-2:2007
Subsequently without a spacethe mass content may be given by a 2-figure number in positions 3 and 4. For the purpose of specifications, a fifth data block may be added containing additional information.
After being cut off, the strand is allowed to fall on a cool metal plate. You may experience issues viewing this site in Internet Explorer 9, 10 or Typically, different materials have unique requirements related to the generation of the specific properties. Plastics, Polyethylene, Moulded materials, Thermoplastic polymers, Injection moulding, Moulding processCompression loading, Extruding, Test specimens, Specimen preparation, Testing conditions, Mechanical testing, Thermal testing, Electrical testing.
International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. Injection molding or compression molding is allowed for specimen preparation. Fillers or reinforcing materials and their nominal content see 3. Data is outlined by specifications called out by ISO Show product preview PDF. It is the constant aim of BSI to improve the quality of our products and services.
Details and advice can be obtained from the Copyright Manager. Show product preview PDF paper This will be indicated in the amendment table on the inside front cover. Users of British Standards should make sure that they possess the latest amendments or editions.
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Procedures and conditions for the preparation of test specimens and procedures for measuring properties iao the materials from which these specimens are made are also given. Recent events Living Standards Award. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.
Releases What’s up Contact. Search all products by. If a data block is not used, this shall be indicated by doubling the separation sign, i. NOTE 1 Not all the combinations of the values of the designatory properties are provided by currently available polymers.
The data blocks shall be separated from each other by commas. It is designed to cover every economic sector and virtually every activity of the humankind where technical standards may be used. At the time of publication, the editions indicated were valid. These normative references are cited at the appropriate places in the text and the publications are listed hereafter.
This specification defines pertinent properties, test methods, parameters and sample preparation for the evaluation of polyethylene for molding and extrusion. The possible values of melt mass-flow rate are divided into 8172-2 ranges, each represented by a 3-figure code-number as specified in Table isoo.
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Preparation of test specimens and determination of properties Get the latest version of this product. Your basket is empty. The two code-numbers are separated from each other by hyphens. Other test methods in wide use for or of particular significance to these moulding and extrusion materials are also included in this part of ISOas are the designatory properties specified in ISO This standard has been updated see copyright date and may have had amendments incorporated.
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The code-letters used are specified in Table 1. The properties have been selected from the general test methods in ISO International Classification for Standards ICS is an international classification system for technical standards. Polyethylene PE molding and extrusion materials Part 2- Preparation of test specimens and ido of properties.
ISO consists of the following parts, under the general title Plastics — Polyethylene PE moulding and extrusion materials: It applies to materials ready for normal use in the form of powder, granules or pellets, unmodified or modified by colorants, additives, fillers, etc. In order to obtain reproducible and comparable test results, it is necessary to use the methods of preparation and conditioning, the specimen dimensions and the test procedures specified herein.
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The faster, easier way to work with standards. For undated references the latest edition of the publication referred to applies. If information is presented in positions 2 to 8 and no specific information is given in position 1, the letter X shall be inserted in position 1.
Although we endeavour to maintain an up-to-date catalogue, on occasion we may not have the latest izo of a document, including where it has not yet been provided through an international feed.
Requirements for handling test material and for conditioning both the test material before moulding and the specimens before testing are given.