Utpan Chempro supplies Neutral Bluish Cast Liquid Optical Whitener. Utpan Chempro manufactures a wide range of Cellulose, optical whiteners, pre-treatment chemicals, finishing chemicals and general chemicals for application in various industries. The Neutral Bluish Cast Liquid Optical Whitener finds application in Polyester and is suitable for Low temp application ranging between 90° C to 95° C in JIGGER/HTHP or Jet Dyeing rn/c. The Neutral Bluish Cast Liquid Optical Whitener minimises bleeding of dyed thread in the fabric and provides good light and sublimation fastness.