Paramount Minerals and Chemicals Limited offer Parawhite WHN C Powder with 400 Percent Strength as per STD. Paramount Minerals and Chemicals Limited is an ISO 9001: 2000 Certified Company. The Parawhite WHN C Powder with 400 Percent Strength as per STD is an excellent optical brightener with bluish violet to neutral white shade for use in alkaline medium. It has high fastness and is recommended for usage in the pulp and batch process and for pigmented coatings with CMC and PVA. The C.I number of Parawhite WHN C Powder with 400 Percent Strength as per STD is Disulphonic Stilbene Derivative and can be used in the paper industry.