Standard

NS-EN ISO 604:1996

Withdrawn

Note: This standard has a new edition: NS-EN ISO 604:2003

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Abstract

1.1 This International Standard specifies a method for determining the compressive properties of plastics under defined conditions. A standard test specimen is defined and its length is adjusted to prevent buckling under load from affecting the results. A range of testing speeds is included. 1.2 The method is used to investigate the compressive behaviour of the test specimens and for determining the compressive strength, compressive modulus and other aspects of the compressive stress/strain relationship under the conditions defined, 1.3 The method applies to the following range of materials: - rigid and semirigid thermoplastics moulding and extrusion materials, including compounds filled and reinforced by e.g, short fibres, small rods, plates or granules in addition to unfilled types; rigid and semirigid thermoplastic sheet; - rigid and semirigid thermoset moulding materials, including filled and reinforced compounds; rigid and semirigid thermoset sheet; - thermotropic liquid crystal polymers. The method is not normally suitable for use with materials reinforced by textile fibres, rigid cellular materials and sandwich structures containing cellular material. 1.4 The method is performed using specimens which may be either moulded to the chosen dimensions, machined from the central portion of the standard multipurpose test specimen (see ISO 3167) or machined from finished and semifinished products such as mouldings, laminates and extruded or cast sheet. 1.5 The method specifies preferred dimensions for the test specimen. Tests which are carried out on specimens of different dimensions, or on specimens which are prepared under different conditions, may produce results which are not comparable. Other factors, such as the speed of testing and the conditioning of the specimens, can also influence the results. Consequently, when comparative data are required these factors should be carefully corded.

Document information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 83.080
  • ICS 83.080.01
  • National Committee SN/K 138/ NS 416

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EU law: 89/106/EEC

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