Standard

ISO 1265:1979

Withdrawn

Note: This standard has a new edition: ISO 1265:2007

Corrigendums and amendments are bought separately.

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Abstract

Specification of a visual method of determining the number of impurities and foreign particles in polyvinylchloride resin. About 200 g of resin are flattened between a rigid white plate and a glass sheet containing a grid. The impurities and foreign particles visible in 25 squares (= 225 cm ) and having a diameter equal or greater than 0,250 mm are counted. Expression of the result by extrapolation as the number of specks per 100 squares of the grid.

Document information

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: IS
  • ICS 83.080.20
  • ISO TC ISO/TC 61/SC 9

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