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NANJING LONGXY CHEMICAL CO., LTD.

SICHUAN LONGXY NEW MATERIAL CO.LTD.

Specializing in the production of optical brighteners,
organic pigments, antioxidants

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Optical brightener KCB

Type
  Optical brightener
Product name
  Optical brightener KCB
CAS No.
  5089-22-5
EINECS No.
  225-803-5
Structural formula
Molecular formula

C24H14N2O2

Molecular weight
362.3802
Performance and characteristics
This product is a bright yellow-green powder, non-toxic and tasteless, insoluble in water, excellent light resistance and heat resistance, which does not react with the blowing agents, crosslinking ag
Scope of application
Fluorescent Brightener KCB is mainly used in whiteningsynthetic fibers and plastics , also have significant brightening effect to colored plastics, is widely used in plastic film, film forming materials, injection molding materials, polyolefins, PVC, foam PVC, TPR, EVA and PU foam, synthetic rubber, has excellent whitening effect, can also be used in paints, lacquers and other whitening, especially special effects for foamed plastic EVA, PE foam.
Application methods
Recommended dosage: 0.005%~0.05% (wt ratio of plastic)
Packaging and storage
1kg×10 carton, lined with plastic bag, or upon your demand, Stored in a cool and dry place; away from light.。
Technical conditions
(Technical index)
Appearance yellow-green powder
Color light bright Blue and white
Melting point 210℃~212℃
Purity ≥99%
Fineness > 100 mesh

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