Business Description
United Specialities Pvt. Ltd. (Valblanc) is one of the largest manufacturers of Optical Brighteners in India. We offer a wide range of Optical Brightening Agents for textile, polymer, detergent & paper industries
Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs) or fluorescent whitening agents (FWA) or Luminophores are chemical compounds that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm).
