Paper Brightness Tester

The optical brightness of the papers can be judged with the optical brightness agents that are added to the texture of the papers to enhance the whiteness of the papers. These whiteners are the chemicals which absorb ultraviolet lights and emit fluorescent rays at a particular wavelength that offers the ability to analyze the brightness of the papers visually. The human eye measures the brightness of the papers as the white effect. This can be measured easily with the help of color measurement instrument. Especially in inkjet media area, a large number of quality art papers look brighter to the human eye but actually does not emit so much of brightness. This types of papers are of high-quality and more exp