ISO 17744:2025
Current
The latest, up-to-date edition.
Plastics — Determination of specific volume as a function of temperature and pressure, pvT diagram — Piston apparatus method
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English
21-05-2025
This document describes procedures for determining the specific volume of plastics as a function of temperature and pressure in both the molten and solid states.
This document specifies the use of a piston-equipped apparatus in which the test sample, held in a measurement cell, is pressurized by means of the piston. Measurements under conditions of constant pressure or constant temperature can be made.
NOTE For the acquisition of data needed for processing design, the isobaric cooling method is found to be more useful, see ISO17282. The result of this measurement cannot be used directly for injection-moulding simulation.
This document is used to obtain:
information on first-order and glass transitions as a function of temperature and pressure.
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
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