Standard

ISO 4575:1985

Withdrawn

Note: This standard has a new edition: ISO 4575:2007

Corrigendums and amendments are bought separately.

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Abstract

Specification of a method for determining the apparent viscosity, at high shear, of polyvinylchloride pastes prepared from polyvinylchloride polymers and plasticizers. It applies in particular to "standard pastes" according ISO 4612. Placing of a sample in a Severs rheometer and setting of the jacket to a defined temperature. Measurement of the flow rate of the paste through a calibrated die at different pressures. Calculation of the shear rate and apparent viscosity for each flow rate corresponding to each of the pressures applied.

Document information

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Edition: 2
  • Version: 1
  • Document type: IS
  • ICS 83.080.20
  • ISO TC ISO/TC 61/SC 9

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