What kind of whitening agent does billboard use

Often see billboard materials are PP film, KT board, PVC, and PC board, these materials have different properties, but they are all plastic materials. Because billboards need to be placed outdoors for a long time, it is easy to appear yellowing and aging. In order to solve the problem of billboard whiteness, manufacturers also want a lot. In fact, it is very simple, just add a small amount of fluorescent whitening agent in the production process can solve the problem.

 

What is fluorescent brightener

 

Fluorescent whitening agent is a kind of organic compound that can absorb ultraviolet light (invisible to the naked eye) and emit blue or blue violet light. The fluorescence emitted complements the yellow light on the object (such as the yellow and old billboard) and has whitening effect. To put it bluntly, it is a kind of material that uses optical principles to make objects look brighter, white and bright.

 

What type of fluorescent whitening agent is used for outdoor billboards

 

Outdoor billboards need to solve two problems: first, whiteness; second, weatherability. Whiteness is very easy to understand, that is, the product should be whiter and brighter, and the weather resistance is also simple, that is, it is still white and transparent regardless of the wind and sun. Here Shanghai enmai suggests you use fluorescent whitening agent ob! OB whitening effect is remarkable, adding small, and weather resistance is very good, very suitable for outdoor plastic products, of course, the most satisfying is the appropriate price! If you have any questions, please contact Shanghai enmai!