Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 3: Polyethylenes and polypropylenes
ISO 1628-3:2010 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.
| SDO | ISO: International Organization for Standardization |
| Document Number | ISO 1628 |
| Publication Date | Not Available |
| Language | en - English |
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| Supercedes | |
| Committee | ISO/TC 61/SC 9 |
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