Paramount Minerals and Chemicals Limited is the manufacturer of Parawhite VK Liquid. Paramount Minerals and Chemicals Limited is an ISO 9001: 2000 Certified Company. The Parawhite VK Liquid is a versatile optical brightener for the paper industry. It is an excellent optical brightener with bluish violet to neutral white shade for use in alkaline medium. This Parawhite VK Liquid has received European approval for safe use as an Optical Brightener in the manufacture of Paper and Boards for Food Packaging as well as of Sanitary Paper and Sanitary Tissue. The Parawhite VK Liquid has high fastness and it is recommended for usage in the pulp and batch process and for pigmented coatings with CMC and PVA. The C.I Number of Parawhite VK Liquid is Disulphonic Stilbene Derivative. The strength as per STD is 100 percent.