products

Optical Whitener

Optical brighteners belong to pigment group. They absorb light in the ultraviolet region (usually 340 – 370 nm) and emit light in the blue region (typically 420 – 470 nm).

With this special feature,  optical brightener makes detergent, plastics, fiber, coatings brighter and whiter. They are widely used to brighten articles or to mask yellowing.  we manufacture plastic optical brightener as follows