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Significance and Use
5.1 The relative simplicity of the test method makes it applicable for a wide range of materials (. The technique is capable of fast measurements, making it possible to take data before the materials suffer thermal degradation. Alternatively, it is possible to study the effect of compositional changes such as chemical reaction or aging , )(. Short measurement times permit generation of large amounts of data with little effort. The line-source probe and the accompanying test specimen are small in size, making it possible to subject the sample to a wide range of test conditions. Because this test method does not contain a numerical precision and bias statement, it shall not be used as a referee test method in case of dispute. )
1.1 This test method covers the determination of the thermal conductivity of plastics over a temperature range from –40 to 400°C. It is possible to measure the thermal conductivity of filled and unfilled thermoplastics, thermosets, and rubbers in the range from 0.08 to 2.0 W/m.K.
1.2 The values stated in SI units shall be regarded as standard.
1.3 This standard does not purport to address the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish proper safety and health practices and determine the applicability of regulatory limitations prior to use.
Note 1: There is no known ISO equivalent to this test method.
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.
C177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus
C518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus
C1113 Test Method for Thermal Conductivity of Refractories by Hot Wire (Platinum Resistance Thermometer Technique)
D618 Practice for Conditioning Plastics for Testing
D883 Terminology Relating to Plastics
D2717 Test Method for Thermal Conductivity of Liquids
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E1225 Test Method for Thermal Conductivity of Solids Using the Guarded-Comparative-Longitudinal Heat Flow Technique
ICS Number Code 83.080.20 (Thermoplastic materials)
UNSPSC Code 13101900(Thermoset plastics); 13102000(Thermoplastic plastics)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D5930-17, Standard Test Method for Thermal Conductivity of Plastics by Means of a Transient Line-Source Technique, ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top