The World Leader in Diatomite and Perlite Products

IMERYS is a leading supplier of engineered mineral products derived from diatomite (also called diatomaceous earth or D.E.) and expanded perlite, natural raw materials possessing unusually light density, chemical inertness, high surface area and intricate structure. As a result of these unusual properties, the company's products are used in a host of applications, including filtration for liquid/solid separation, functional fillers for paints, coatings, polymers and elastomers, bioreactor support, and in the promotion of plant growth.