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ASTM D4872-14(2020)

Current Reaffirmation

Standard Test Method for Dielectric Testing of Wire and Cable Filling Compounds

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1.1 This test method covers the determination of dissipation factor, permittivity (dielectric constant), and ac volume resistivity of wire and cable filling compounds and related materials that are solid at room temperature, but capable of being melted at elevated temperature.

1.2 Whenever two sets of values are presented, in different units, the values in the first set are the standard, while those 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. Specific hazard statements are given in Section 7.

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.


5.1 Dissipation factor, permittivity, and dc volume resistivity are properties of communication cable fillers and filler components that are controlled in order that the cable's electrical performance falls within its design limits. Relatively small amounts of contaminants, such as polar compounds, water, or salts degrade the cable's electrical properties. Limits on the dielectric properties of the cable filling compound are usually specified by the cable manufacturer, by industry standards or both.

SDO ASTM: ASTM International
Document Number D4872
Publication Date Aug. 1, 2020
Language en - English
Page Count 3
Revision Level 14(2020)
Supercedes
Committee D09.07
Publish Date Document Id Type View
Nov. 1, 2014 D4872-14 Revision
April 10, 1999 D4872-99 Revision
Not Available D4872-88 Revision
Aug. 1, 2020 D4872-14R20 Reaffirmation
March 1, 2010 D4872-99R10 Reaffirmation
April 10, 1999 D4872-99R04E01 Reaffirmation