SEYCO WHITE BRU is a concentrated fluorescent whitener that gives a slightly neutral to reddish cast on cotton and nylon fibers.

SEYCO WHITE TKB is a multi purpose neutral cast optical brightener for nylon and cellulosic textiles or their blends. Excellent light fastness. Easy leveling properties. Excellent wet fastness.

SEYCO WHITE TKB CONC is a readily dilutable 2X strength version of SEYCO WHITE TKB.

SEYCO WHITE AFT is a reddish caste, cationic optical brightener for acrylics, wool, silk, basic dyeable polyamide and acrylic blends. It has a strong affinity for these fiber types and is the preferred product for an optical used in batch/exhaust operations.

SEYCO WHITE AFT CONC is a readily dilutable 5X strength version of SEYCO WHITE AFT.