Standard

NS-EN ISO 2580-1:1999

Withdrawn

Note: This standard has a new edition: NS-EN ISO 2580-1:2002

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Abstract

1 .l This part of IS0 2580 establishes a system of designation for acrylonitrile/butadiene/styrene thermoplastic material, which may be used as the basis for specifications. 1.2 The types of ABS plastic are differentiated from each other by a classification system based on appropriate levels of the designatory properties a) Vicat softening temperature b) melt flow rate c) lzod impact strength d) flexural modulus and on information about basic polymer parameters, intended application and/or method of processing, important properties, additives, colourants, fillers and reinforcing materials. 1.3 This part of IS0 2580 is applicable to all styrene/acrylonitrile copolymers comprised of a continuous phase, consisting of copolymers of styrene (and/or an alkyl-substituted styrene) and acrylonitrile, and a dispersed elastomeric phase based on butadiene, with the continuous phase having more than 10 % (m/m) of acrylonitrile. It applies to materials ready for normal use, unmodified or modified by colourants, additives, fillers, etc. This part of IS0 2580 does not apply to materials a) with an lzod impact strength of less than 3 kJ/m2; b) containing more than 5 % (m/m) of comonomers other than those mentioned in 1.3; c) containing less than 40 % (m/m) of butadiene in the elastomer of the elastomeric phase. 1.4 It is not intended to imply that materials having the same designation give necessarily the same performance. This part of IS0 2580 does not provide engineering data, performance data or data on processing conditions which may be required to specify a material for a particular application and/or method of processing. If such additional properties are required, they shall be determined in accordance with the test methods specified in part 2 of this International Standard, if suitable. 1.5 In order to specify a thermoplastic material for a particular application or to ensure reproducible processing, additional requirements may be given in data block 5 (see clause 3, introductory paragraph).

Document information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 83.080.20
  • National Committee SN/K 609

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