Dielectric Constant

The dielectric constant is an electrical parameter measured to understand the insulating properties of materials.

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    Dielectric Constant Service

    The dielectric constant is an electrical parameter measured to understand the insulating properties of materials. It is the ratio of capacitance induced between two metallic plates with the insulator between the plates to the capacitance with air or vacuum. The dielectric constant is a crucial property in the specification of any capacitor. It is also one of the metrics of measurement for characterizing polymeric materials, ceramics, solvents, biomaterials in aqueous media, etc.

    Dissipation factor and loss tangent, which are used in lower and higher frequency applications, respectively, are other parameters measured along with dielectric constant to evaluate an insulator’s efficiency. Measurements are typically performed at room temperature to 500C, and 10Hz to 10Mhz frequencies depending on the testing standard followed (ASTM) and the application for which the material is tested.

    Common Uses:

    • Dielectrics characterization
    • Capacitor specification
    • Elastomer and other thin-film capacitor characterization
    • Solvent characterization to determine the solute dissolution
    • Testing biomaterials in aqueous media
    • Study of ceramic, plastic, polymeric, elastomer dielectrics

    Industries:

    • Microelectronics
    • Electrical
    • Electronics
    • Telecommunications
    • Biomaterials
    • Ceramics
    • Thin films
    • Polymers
    • Batteries and other Power Storage
    • Cables and Wires
    • Material Research

    Dielectric Constant Laboratories:

    • Evans Analytical Group (EAG) Laboratories
    • Element Materials Technology
    • Intertek Group Plc.
    • Applied Technical Services
    • Pacific Testing Laboratories
    • PolyK Technologies
    • National Technical Systems (NTS Labs)

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      FAQ on Dielectric Constant

      Where can I do dielectric constant measurements of materials?

      Our material testing labs regularly provide dielectric constant measurement services to understand the insulating properties of materials.

      What is the dielectric constant of materials?

      The dielectric constant of any material or insulator is the ratio of capacitance induced between two metallic plates with the insulator between the plates to the capacitance with air or vacuum.

      What is the dielectric constant measurement of materials used for?

      The dielectric constant is one of the metrics of measurement used for characterizing various dielectrics, polymeric materials, ceramics, solvents, biomaterials in aqueous media, etc.