ASTM D6204 - 19a
Standard Test Method for Rubber—Measurement of Unvulcanized Rheological Properties Using Rotorless Shear Rheometers
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Significance and Use
5.1 This test method is used to measure viscoelastic properties of raw rubber as well as unvulcanized rubber compounds. These viscoelastic properties may relate to factory processing behavior.
5.2 This test method may be used for quality control in rubber manufacturing processes and for research and development testing of raw rubber and rubber compounds. This test method may also be used for evaluating compound differences resulting from the use of different compounding materials.
1. Scope
1.1 This test method covers the use of a rotorless oscillating shear rheometer for the measurement of the flow properties of raw rubber and unvulcanized rubber compounds. These flow properties are related to factory processing.
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.3 This 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.
1.4 This 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D1485 Practice for Rubber from Natural SourcesSampling and Sample Preparation
D1646 Test Methods for RubberViscosity, Stress Relaxation, and Pre-Vulcanization Characteristics (Mooney Viscometer)
D3896 Practice for Rubber From Synthetic SourcesSampling
D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
D5289 Test Method for Rubber PropertyVulcanization Using Rotorless Cure Meters
D6601 Test Method for Rubber PropertiesMeasurement of Cure and After-Cure Dynamic Properties Using a Rotorless Shear Rheometer
ICS Code
ICS Number Code 83.040.10 (Latex and raw rubber)
UNSPSC Code
UNSPSC Code 13100000(Rubber and elastomers)
Referencing This Standard
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DOI: 10.1520/D6204-19A
Citation Format
ASTM D6204-19a, Standard Test Method for Rubber—Measurement of Unvulcanized Rheological Properties Using Rotorless Shear Rheometers, ASTM International, West Conshohocken, PA, 2019, www.astm.org
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