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ISO 4575:1985

Plastics -- Polyvinyl chloride pastes -- Determination of apparent viscosity using the Severs rheometer

General information
Withdrawn from 04.05.2007
Directives or regulations
None
Standard history
Status
Date
Type
Name
04.05.2007
Main
Main
ISO 4575:1978
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.
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