Optical Brightener Agent KCB

It is a fluorescent whitening agent of the naphthalene benzoxazole class. The product is useful in plastics, man-made fibers, printing inks and coatings, PVC, EVA and TPR.
  • Item NO.:

    KCB
  • Product Origin:

    China
  • Color:

    Yellow and green powder
  • Shipping Port:

    Any chinese port
  • Product Detail

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.


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