Optical brighteners, or fluorescent whitening agents, are used to make plastics, coatings ,fibers, , inks, and detergents appear whiter and brighter
Optical brighteners function by absorbing invisible ultraviolet light and re-emitting it as visible light in the blue range of the spectrum.
Optical brighteners use to mask the yellowish color sometimes observed in plastics and fibers after high temperature processing operations,
We have the finest Chinese and Indian types available :-
OB-1
FP-127
