- Category :
Dyestuffs and Pigments/Fluorescent Brighteners
- CAS NO : 5089-22-5
- EC NO : 225-803-5
- Molecular Formula : C24H14N2O2
- Main Specifications : Yellow crystalline powder
- Synonyms : KCB;Fluorescent Brightener 367;FLUORESCENT BRIGHTENER-KCB;1,4-bis(benziazolyl-2-yl-)naphth-alene;FBA 367;1,4-Bis(2-benzoxazoly)naphthalene;Optical Brightener KCB;C.I. 367;Fluorescent Whitening Agent KCB;2,2'-naphthalene-1,4-diylbis(1,3-benzoxazole);Optical Brightening Agent KCB;Optical Brightner KCB;hostalux kcb;
Package: Packed in 5kg×4 paper tanks or 5kg×2 paper boxes at cool and dry places to be protected from light.
Uses : Mostly used in the brightening the products of synthetic fiber and plastics
Molecular Structure:
Product description:
Optical brightener KCB
Chemical name: 1,4-Bis(2-benzoxazoly)naphthalene
C.I. Number:367
2.Specifications:
Appearance yellow crystalline powder
Melting Point 210～212℃
Purity ≥ 99.0%
Maximum UV Absorption Spectrum 370nm
3.Scope of Application：
Mostly used in the brightening the products of synthetic fiber and plastics, it has obvious efficiency on colored plastics. Besides, it is widely used in plastic film, material of lamination moulding and injection moulding as well as preferable brightening efficiency on polyolefin, PVC, PVC foaming, TPR, EVA and PU foaming together with coating, natural lacquer, etc. It also has specially good effect on foaming plastics, especially EVA, PE foaming.
5.Application Methods：
The recommended quality: 0.005%～0.05% (compared to the weight of plastic raw material)
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