About xGnP® Graphene Nanoplatelets

Graphene nanoplatelets represent a new class of carbon nanoparticles with multifunctional properties. xGnP® brand graphene nanoplatelets have a ”platelet” morphology, meaning they have a very thin but wide aspect ratio.  This unique size and platelet morphology  makes these particles especially effective at providing barrier properties, while their pure graphitic composition makes them excellent electrical and thermal conductors.

Unlike many other additives, xGnP® Graphene Nanoplatelets can improve the mechanical properties of the matrix material, such as:

  • stiffness
  • strength
  • surface hardness

Each particle consists of several sheets of graphene with an overall thickness ranging from an average of about 2 nm to about 15 nm, depending on the grade. Particle diameters can range from sub-micron to 50+ microns. To learn more, please download an xGnP®  product overview (PDF).

  • Grade M

    Grade M particles have an average thickness of approximately 6 nanometers and a typical surface area of 120-150 m2/g.

    Grade M is available with average particle diameters of 5, 15 or 25 microns.
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  • Grade C

    Grade C particles have an average thickness of approximately 2 nanometers and a diameter between 1-2 microns.  Surface area can be selected at 300, 500, 750 m2/g.
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  • Grade H

    Grade H particles have an average thickness of approximately 15 nanometers and a typical surface area of 50 to 80 m2/g.

    Grade H is available with average particle diameters of 5, 15 or 25 microns.
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  • Dispersions

    Various dispersions of  xGnP® Graphene Nanoplatelets can be ordered instead of bulk powder, including aqueous, IPA, organic solvents and resins.
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