ASTM D4872 - 14
Standard Test Method for Dielectric Testing of Wire and Cable Filling Compounds
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Significance and Use
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.
1. Scope
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 and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 7.
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
D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation
D257 Test Methods for DC Resistance or Conductance of Insulating Materials
D1321 Test Method for Needle Penetration of Petroleum Waxes
D1711 Terminology Relating to Electrical Insulation
D6054 Practice for Conditioning Electrical Insulating Materials for Testing
ICS Code
ICS Number Code 29.035.01 (Insulating materials in general)
UNSPSC Code
UNSPSC Code 26121616(Telecommunications cable)
Referencing This Standard
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DOI: 10.1520/D4872-14
Citation Format
ASTM D4872-14, Standard Test Method for Dielectric Testing of Wire and Cable Filling Compounds, ASTM International, West Conshohocken, PA, 2014, www.astm.org
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