| HARKE Coatings, Plastics & Polymers offers you a wide range of organic compounds that contain functional carboxyl groups. These are predominantly of natural origin. | Our products such as maleic anhydride, fumaric acid, malic acid or tartaric acid are used both as food additives and acidifiers and industrial applications such as in unsaturated polyester resins (UPR), in paints and varnishes and as retarders in plaster and concrete. |
