ISO 4575:1985

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

Publication date:   Aug 29, 1985

95.99 Withdrawal of Standard   May 4, 2007

General information

95.99 Withdrawal of Standard   May 4, 2007

ISO

ISO/TC 61/SC 9 Thermoplastic materials

International Standard

83.080.20   Thermoplastic materials

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Scope

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.

Life cycle

PREVIOUSLY

Revises
ISO 4575:1978

NOW

WITHDRAWN
ISO 4575:1985
95.99 Withdrawal of Standard
May 4, 2007

REVISED BY

PUBLISHED
ISO 4575:2007