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EVS-EN ISO 1628-3:2010

Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 3: Polyethylenes and polypropylenes

General information

Valid from 06.07.2010
Base Documents
ISO 1628-3:2010; EN ISO 1628-3:2010
Directives or regulations
None

Standard history

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This part of ISO 1628 defines particular conditions for determining the reduced viscosity (also known as viscosity number) and intrinsic viscosity of polyethylenes and polypropylenes at 135 °C in dilute solution. The viscosity of polymer solutions may be affected by additives present in the sample. The value of a reduced viscosity determined by this method may therefore be unreliable if the sample contains fillers or other additives.

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