Riddhi Siddhi Trading Co. Manufactures Fluorescence Brightener for Cellulosics. Riddhi Siddhi Trading Co. Supplies dyes and textiles auxiliaries. Fluorescence Brightener for Cellulosics gives bright fluorescence on cellulosics with bluer tone thus imparting excellent whiteness. Fluorescence Brightener for Cellulosics can be applied by pad as well as by exhaust process. It has medium to high substantivity. These are used for various purposes in textile, paper and detergent industries. These optical brighteners are fluorescent white dyes that absorb ultraviolet light and emit back visible blue light. Its model name is Leucophor 3BI p.
