HA Hollow Spheres

Extendospheres® HA has been designed for Refractory applications.

Its high deformation temperature is able to withstand the casting temperatures of both aluminum and steel processes.

Extendospheres® HA has a broad particle size distribution, and makes an excellent choice for use in:

  • Building and Roofing Tiles

  • Fluxes and Hot Toppings

  • Friction Applications

  • Grinding Wheels

  • Insulative Roof Coatings

  • Pipe Insulation

  • Refractories

*Don’t see your application on the list?  Contact us to find out which product grade will work best for your end use.