Fluorescent Whitening Agent OB (C.I.184)

Component: 2,5-bis(5-tert-butylbenzene heoxazinomycin-2'-)thiophthene.

Application: The product is widely used for the whitening of thermoplastic, paint, coating and printing ink. The adding portion is 0.01-0.05% of the whole total. The congeneric product in abroad is: Uvitex OB.