Fluorescent Brightener 367 CAS 5089-22-5

Item Name:
Optical Brightener KCB
Fluorescent Brightener 367

C.I.No : 367

Main Chemical:
1,4-bis-Benzoxazolyl-naphthalene

CAS No.:
5089-22-5

Equivalent to: Hostalux KCB (Hoechest).

Category:

Technical Specs of Optical Brightener KCB

Technical Specs Index
Appearance light yellow green powder
Purity ≥99.0%
Melting Point 210-212°C
Volatiles ≤0.5%
Ash ≤0.1%

Properties of Optical Brightener KCB

Optical Brightener KCB is a bright yellow green powder, non-toxic and odorless, insoluble in water, but soluble in common organic solvents, excellent light and heat resistance, no reaction with foaming agent, cross-linking agent, no exudation and extraction, the maximum absorption wavelength of the spectrum is 370nm. Brightener KCB has high light transmittance, suitable for transparent products, with foaming function, other properties similar to optical brightener OB.

Applications of Optical Brightener KCB

Fluorescent brightener KCB is mainly used for whitening synthetic fibers and plastic products. It also has obvious brightening effect on colored plastic products. Brightener KCB is widely used in plastic film, pressing film forming materials, injection molding materials, etc., and has excellent whitening effect on polyolefin, PVC, foamed PVC, TPR, EVA and PU foam, synthetic rubber, etc., Optical Brightener KCB can also be used for whitening paint and natural lacquer, and for foamed plastics. Especially EVA, PE foaming has special effect. It is equivalent to Hostalux KCB (Hoechest).

Packaging and Storage

Optical Brightener KCB is packed 25kg per fiber drum lined with plastic bag, stored in cool and dry place without direct sunlight. Shelf life is 2 years.