optical brightening agent especially for detergent whitening
KEYWORDS:OBA,optical brightening,optical brightener,fluorescent whitening,fluorescent whitener,fluorescent brightener,fluorescent brightening,plastic chemical,plasitc additive,additive
optical brightening agent especially for detergent whitening
KEYWORDS:OBA,optical brightening,optical brightener,fluorescent whitening,fluorescent whitener,fluorescent brightener,fluorescent brightening,plastic chemical,plasitc additive,additive