Properties:
The product is bright yellow-green powder, non-toxic and odorless, insoluble in water, excellent in light resistance and heat resistance, and does not react with foaming agent, crosslinking agent, etc., without exudation and extraction. The maximum absorption wavelength of the spectrum is 370nm.
Specification:
Item |
Value |
CAS.NO |
5089-22-5 , 63310-10-1 |
Molecular formula |
C24H14N2O2 |
Formula weight |
362.4 |
C.I.NO |
367 |
Appearance |
Yellow and green powder |
Purity |
≥99.0% |
Melting point |
210-212℃ |
Application:
Optical Brightener KCB is mainly used for whitening synthetic fiber and plastic products, and also has obvious brightening effect on colored plastic products. It is widely used in plastic thin film, compression film molding material, injection molding material and so on. It has excellent whitening effect on polyolefine, PVC, foamed PVC,TPR,EVA and PU foam, synthetic rubber and so on. It can also be used for whitening of coatings, natural paints, etc., and has a special effect on foamed plastics, especiallyEVA, PE foaming.