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ASTM F 2625 : 2024

Current

Current

The latest, up-to-date edition.

Standard Test Method for Measurement of Enthalpy of Fusion, Percent Crystallinity, and Melting Point of Ultra-High Molecular Weight Polyethylene by Means of Differential Scanning Calorimetry

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

17-04-2024

€56.53
Excluding VAT

Committee
F 04
DocumentType
Test Method
Pages
5
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

1.1This quantitative test method discusses the measurement of the heat of fusion and the melting point of ultra-high molecular weight polyethylene (UHMWPE), and the subsequent calculation of the percentage of crystallinity. The method uses a differential scanning calorimeter and can be performed in the laboratory or in the field.

1.2This test method can be used for UHMWPE in powder form, consolidated form, finished product, or a used product. It can also be used for irradiated or chemically crosslinked UHMWPE.

1.3This test method does not suggest a desired range of crystallinity or melting points for specific applications.

1.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM F 2565 : 2021 Standard Guide for Extensively Irradiation-Crosslinked Ultra-High Molecular Weight Polyethylene Fabricated Forms for Surgical Implant Applications
ASTM F 2759 : 2019 Standard Guide for Assessment of the Ultra-High Molecular Weight Polyethylene (UHMWPE) Used in Orthopedic and Spinal Devices
ASTM F 2848 : 2021 Standard Specification for Medical-Grade Ultra-High-Molecular-Weight Polyethylene Yarns

ASTM E 793 : 2006 : R2018 Standard Test Method for Enthalpies of Fusion and Crystallization by Differential Scanning Calorimetry
ASTM E 793 : 2024 Standard Test Method for Enthalpies of Fusion and Crystallization by Differential Scanning Calorimetry

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