Paramount Minerals and Chemicals Limited offer Parawhite VSP Liquid. Paramount Minerals and Chemicals Limited is an ISO 9001: 2000 Certified Company. The Parawhite VSP Liquid is a versatile optical brightener for the paper industry. This has received European approval for safe use as an Optical Brightener in the manufacture of Paper and Boards for Food Packaging and Sanitary Paper and Sanitary Tissue. The Parawhite VSP Liquid is available in bluish to neutral white shade. The Parawhite P Powder is excellent for surface application on size press, coating and also for internal application in the pulp/stock. This powder also works in acidic and alkaline medium. The C.I Number of Parawhite P Powder is Tetrasulphonic Stilbene Derivative. The strength as per STD is 100 percent.