Precipitated silica; fumed silica; synthetic amorphous silica; oxides; silicates; inorganic salts for industrial purposes; anhydrides; chemical fillers for plastics; chemical fillers for inks and paints; chemical fillers for resins; industrial fillers; chemical fillers for column chromatography; chemical additives for use in the manufacture of cosmetics; chemical preparations for use in the manufacture of cosmetics; chemical preparations for use in the manufacture of semiconductors; chemical ...