Cenospheres

CAMEX offers HQ alumino-silicate microspheres (‚cenospheres‘).

Specifications and properties:

Cenospheres are inert, hollow spheres consisting of silica and alumina, filled with gas (mostly carbon dioxide and/or nitrogen). It is a by-product of coal combustion at thermal power plants.

Our cenospheres show the following parameters:

• colour light grey to almost white
• bulk density 0.35 – 0.45 g/cm³
• specific gravity 0.6 – 0.9  g/cm³
• humidity < 0.5 %
• Al2O3 > 30 %
• SiO2 > 55 %
• melting point > 1250 °C

Cenospheres reduce product weight, assure low thermal conductivity, boost fluidity and increase temperature resistance.
Typical applications are construction and isolating concrete, aluminum sandwich and fireboard wall panels as well as polymers and plastics.