Tetrasulfonated optical whitening agent As a kind of disinfectant, it can sterilize drinking water, swimming pool, tableware, and air, fight against infectious diseases as routine disinfection, preventive disinfection and environ-mental sterilization in different places, act as disinfectant in raising silkworm, livestock, poultry, and fish, and also can be used to prevent wool from shrinkage, bleach the textile and clean the industrial circulating water. The product has high efficiency and constant performance and has no harm to human beings. It enjoys a good reputation both at home and abroad.

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