Optical brighteners or fluorescent whitening agents (FWA) are colorless to weakly colored organic compounds that, insolution or applied to a substrate, absorb ultraviolet light and re-emit most of the absorbed energy as blue fluorescent light.Features : Brilliant, bluish whitening effects Good light fastness Excellent resistance to heat High chemical stability Low volatility Readily soluble in organic solvents Good compatibility with most substrates

Optical brighteners or fluorescent whitening agents (FWA) are colorless to weakly colored organic compounds that, insolution or applied to a substrate, absorb ultraviolet light and re-emit most of the absorbed energy as blue fluorescent light.Features : Brilliant, bluish whitening effects Good light fastness Excellent resistance to heat High chemical stability Low volatility Readily soluble in organic solvents Good compatibility with most substrates