IMERYS is a leading international supplier of high-performance white minerals, extenders and functional fillers to the polymer and coatings markets Drawing on a wide range of minerals with many matching characteristics - including calcium carbonates, clays, kaolins, calcined kaolins, diatomite, feldspar, mica and perlite - Imerys Performance Minerals makes technical products that are essential for many industries. Its principal markets are plastics & film, rubber, paint & coatings and sealants ...