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ASTM D 5099 : 2008 : R2022

Current

Current

The latest, up-to-date edition.

Standard Test Methods for Rubber—Measurement of Processing Properties Using Capillary Rheometry

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-24-2023

1.1These test methods describe how capillary rheometry may be used to measure the rheological characteristics of rubber (raw or compounded). Two methods are addressed: Method A—using a piston type capillary rheometer, and Method B—using a screw extrusion type capillary rheometer. The two methods have important differences, as outlined in 7 – 10 and 11 – 14, respectively.

1.2These test methods cover the use of a capillary rheometer for the measurement of the flow properties of thermoplastic elastomers, unvulcanized rubber, and rubber compounds. These material properties are related to factory processing.

1.3Since piston type capillary rheometers impart only a small amount of shearing energy to the sample, these measurements directly relate to the state of the compound at the time of sampling. Piston type capillary rheometer measurements will usually differ from measurements with a screw extrusion type rheometer, which imparts shearing energy just before the rheological measurement.

1.4Capillary rheometer measurements for plastics are described in Test Method D3835.

1.5The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.6This 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.

1.7This 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.

Committee
D 11
DocumentType
Test Method
Pages
9
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

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