Chem impex usha pvt. Ltd. Since 1997 is manufacturer of various chemical products applicable in the coating and plastic industries. Chem impex under the brand name johnson matthey offers pigments and dispersions, part of the johnson matthey ceramics and materials division, manufacturers a wide range of high quality products applicable as printing inks, surface coatings, cosmetics, building materials and plastics. Being a part of micraflo pigments leads the new generation of colorants for the rigid pvc industry and provides significant benefits in the manufacturing of drainage and rainwater products, as well as window and cladding profiles.