Optical brighteners, are also known by the name of fluorescent whitening agents or optical bleaches. These are basically a group of chemicals that are colorless and fluorescent that shows the property of absorbing ultraviolet light as well as emit it back in the form of visible blue light. Optical brighteners have a diverse range of applications that includes the following, adhesives, detergents, testing (non-destructive) of metal parts etc. As the Optical Brighteners are very efficient, their application level in most cases ranges from thousands to even ten thousands of a percentage.

Kolorcron Range of Optical Brightening Agent