Optical brightener KCB is an upgraded version of many other optical brighteners, boasting extremely high whitening effects and a bright, vibrant blue-white light. It is primarily used for whitening synthetic fibers and plastic products, showing a significant enhancement of vibrancy in colored plastics. It is widely used in EVA and is the leading optical brightener in athletic shoes. It is also widely applied to PE, PP, PVC, PS, ABS and other plastic films, extrusion molding materials, injection molding materials, and polyester fibers, and has a noticeable whitening effect on coatings and natural varnishes. Optical brightener KCB is characterized by its ease of use, low dosage, and excellent whitening effect.
