This International Standard specifies a method for determining the apparent viscosity, at high shear, of polyvinyl chloride pastes prepared from PVC paste polymers and plasticizers, using the Severs rheometer.
It applies in particular to "standard pastes" prepared according to ISO 4612, P/astics — PVC paste resins — Preparation of a paste.
SIS SS-ISO 4575:1987 history
1987SIS SS-ISO 4575:1987 Plastics - Polyvinyl chloride pastes - Determination of apparent viscosity using the Severs rheometer