Welcome to Fillite

The All-Round Solution® for your cenosphere needs

Fillite cenospheres are lightweight, hollow, spherical, low density, free-flowing, alumino-silicate microspheres used in many applications where these characteristics are critical to performance.

Extracted from pulverised fuel ash from coal-fired power stations Fillite hollow alumino-silicate cenospheres or microspheres are a versatile lightweight filler with applications in a variety of industrial and commercial products.

The hollow ceramic glass bubble shape of the microsphere results in a variety of uses other than simply being used as a lightweight filler.

Fillite cenospheres are a filler used to replace minerals and resins where the benefits may be as diverse as weight reduction, improved thermal insulation, reduced shrinkage, improved fire resistance or simply easier application.

Fillite cenospheres range from 5-500 microns. A variety of standard grades are available with very accurate particle size top cuts and distribution ranges. Fillite is also able to tailor-make products to customer needs using its state-of-the-art screening and classification process. Product density is measured on-line, enabling products to be manufactured to consistent and narrow density ranges as well as particle size.