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Optical Brightener KSN is a kind of fluorescent agent that helps to improve the whiteness of paper products. It can absorb ultraviolet light and then emit visible blue light, which makes the paper products appear brighter and whiter. The chemical name of Optical Brightener KSN is 4,4'-Bis(2-sulfostyryl) biphenyl disodium salt.

A dye is a chemical substance used to provide color on food and other objects.In short, different types of dyes have different characteristics and application scenarios, but we should pay attention to maintaining moderate consumption to avoid adverse effects on the body.

Optical Brightener FP127 is a type of fluorescent whitening agent used to enhance the appearance of various materials. This chemical is commonly used in the textile and paper industries to improve the brightness and whiteness of products.

Optical Brighteners(OB) is a type of chemical compound that has been used in laundry detergents, fabric softeners, and other cleaning products for many years. These compounds work by absorbing ultraviolet light and emitting blue light, which makes the colors appear brighter and more vivid.