Imerys Filtration Minerals is a world leading supplier of engineered mineral products derived from diatomaceous earth and expanded perlite. Given their unique properties, Imerys products are used in a variety of applications including filtration for liquid/solid separation, functional fillers for paint, coatings, polymers and elastomers, bioreactor support, and the promotion of plant growth. In addition, Imerys is a leading supplier of semi-finished products, such as crushed and screened perlite ore.

Trade Names: Calflo®, Celite®, CelTiX®, Cynergy®, Cynersorb™, DiaFil®, Fibra-Cel®, Harborlite®, Kenite®, Micro-Cel®, Silasorb®