Trelleborg applied technologies produce a premium grade of HGMS, called Eccospheres®, a high purity 99% Silica, chemically stable material, with increased functionality when compared to standard commodity grade HGMS.
Eccospheres® have been engineered to meet the demanding strength, weight and electrical specifications of our customers. With a near perfect spherical shape, to the naked eye they resemble a fine, white, free-flowing powder.
Eccosphere® HGMS material properties
- Light weighting
- High Strength
- Low dielectric properties
- Acoustic properties
- Chemically stable
- Low breakage
- Low impact on viscosities
- Option for custom modifications – moisture, density, particle size and coating
- Inert internal gas that is non-resin corrupting
- Low leachable
- Long shelf life
- Stable up to 900OC
Material benefits
- The engineered glass spheres can be incorporated into a wide range of polymer and resin systems
- Customized via surface treatments, material chemistry selection, density specifications, or particle size distribution
- Tailored to meet demanding strength, weight and electrical specifications for customers in a variety of markets
Applications
- General light weighting for aerospace compounds
- Dielectric materials for signal transparent coatings, circuit boards, potting’s
- Thermally and acoustically insulating coatings
- An alternative to conventional fillers and additives such as silica, calcium carbonate, talc, and clay in low dielectric or thermally insulating applications
- Biomedical use