HD Hollow Spheres

Extendospheres® HD is our most versatile, general purpose hollow sphere grade.

HD replaces heavier, more expensive components on an equivalent volume basis.

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

  • Cementitious Coating

  • Grouts

  • Insulating Roofing Materials

  • High Strength Anchoring Compounds

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