This reference describes more than 2500 trade names, chemicals, and materials that serve the primary function of lowering the overall cost of the end products to which they are added. These ingredients are multifunctional in diverse industries: in paper, they serve to improve brightness, increase opacity, and reduce porosity. In paints, often referred to as inerts, extenders, and supplemental pigments, they increase color, hiding power, weatherability and control viscosity. Fillers in plastics and polymers impart impact strength, lubricity, electrical and thermal properties. Diluents, besides supplying bulk to detergents, cosmetics, and pharmaceuticals, act to adjust dose or concentration. This reference is essential for the chemical professional involved in the marketing, formulating, and selection of these important chemicals and materials.