Dielectric Constant

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The dielectric constant is an electrical parameter measured to understand the insulating properties of materials. It is a crucial property included in the specification of any capacitor used to prepare electronic gadgets. We at Infinita Lab are committed to providing the best routine and advanced Dielectric Constant Testing for our clients in the USA and worldwide. Our testing laboratory has various state-of-the-art instruments and methodologies to perform the required tests.


Dielectric Constant Testing

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. Dielectric testing is also one of the measurement metrics for characterizing polymeric materials, ceramics, solvents, biomaterials in aqueous media.

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. Dielectric testing measurements are typically performed in testing labs at room temperature to 500 °C, and 10Hz to 10Mhz frequencies depending on the testing standard followed (ASTM) and the application for which the material is tested in the laboratory. 

Common Uses of Dielectric Constant Testing

  • 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


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

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    FAQs on Dielectric Constant

    Where can I get dielectric constant measurements?

     Infinita Lab provides dielectric constant measurements services to some of the most innovative companies in the USA. Dielectric constant measurement is critical in designing capacitors.

    What is the dielectric constant of materials?

    A dielectric is an insulating material, and the dielectric constant of an insulator measures the ability of the insulator to store electric energy in an electrical field. The dielectric constant is the ratio of the permittivity of a substance to the permittivity of a vacuum. 

    What are the uses of dielectric constant measurement of materials?

    Primarily, the dielectric constant measurement is used for designing capacitors, a device that stores electrical energy. It is also used for characterizing materials. 

    What is dielectric constant of water?

    The dielectric constant of pure water is 81.

    What is the SI unit of dielectric constant?

    Dielectric constant is a unitless quantity as it is the ratio of two entities that have same units.

    What factors affect the dielectric constant?

    Factors such as temperature, humidity, and frequency affect the dielectric constant value.

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