Standard

NS-EN ISO 2439:2000

Withdrawn

Note: This standard has a new edition: NS-EN ISO 2439:2008

Corrigendums and amendments are bought separately.

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Abstract

This International Standard specifies three methods for determining the indentation hardness of flexible cellular materials: method A (indentation hardness index), which gives a single indentation measurement for laboratory test purposes; method B (indentation hardness characteristics), which provides information about the shape of the hardness indentation curve; method C (indentation hardness check), which is a quick procedure suitable for quality control testing. The methods are applicable only to latex, urethane foam and PVC foam of the open cell type. NOTE -The indentation hardness of flexible cellular materials is a measure of their load-bearing properties. The methods specified can be used for testing finished articles and for the characterization of bulk material. The results obtained by these methods relate only to the test conditions specified and cannot, in general, be used directly for design purposes.

Document information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 83.100
  • National Committee SN/K 138/ NS 416

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