Hollow Glass Microspheres, also called bubbles, microbubbles, or microballoons, are typically made out of borosilicate-sodalime glass blend formulation and provide the benefits of low density, high heat and chemical resistance. The walls of glass microspheres are rigid and typically have the thickness of 10% of the diameter of the sphere. Spherical microparticles are currently available in a broad range of densities from as low as 0.06g/c3 to as high as 0.80g/c3 and sizes from 5um to 180um in diameter. The crush strength of the hollow spheres is determined by the thickness of the walls and, as expected, the higher the sphere density the higher the crush strength. The lightweight hollow glass spheres are chemically stable, noncombustible, nonporous, and have excellent water resistance.

Hollow glass microspheres are also offered with conductive coatings. Conductive coating with optimized thickness provides spherical particles with good conductivity and shielding properties while maintaining the weight-saving benefit associated with hollow-core low-density materials. These conductive microbubbles are suitable for use in military applications, biotechnology, medical devices, electronics, and other specialty industries.

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Conductive Silver Metal Coated Hollow Glass Microspheres
Item #: HGMS-AG -
Price: $133.37-$1,995.15
Item #: HGMS-AG - View

Conductive hollow glass microspheres have low particle densities and so provide a significant weight reduction when used in place of conventional conductive fillers such as solid silver particles. A... [more info...]