Optical Brightener KSB or FBA 369 or whitening of plastic products

Due to the small amount of Optical Brightener KSB added, it should be thoroughly dispersed to ensure that the whitening agent can be evenly dispersed throughout the entire polymer. If whitening agents are used to concentrate the masterbatch, it is easier to achieve sufficient dispersion effect.

Used for whitening of synthetic fibers and plastic products, it also has obvious brightening effect on colored plastic products. It is widely used in plastic film, laminating materials, injection molding materials, etc., for polyolefin, PVC, foamed PVC, TPR, EVA and PU foam, synthetic rubber, etc. have excellent whitening effect, and can also be used for whitening of paints, natural paints, etc., and have special effects on foamed plastics, especially EVA,Long chemical fiber drawing, filling masterbatch and PE foam.

0.005%~0.05% (weight ratio with plastic raw materials).