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Optical Brightener KCB

YELLOW PHASE KCB

GREEN PHASE KCB

Product Name: Optical Brightener KCB

Chemical Name: 1,4-Bis(2-benzoxazolyl)naphthalene

CAS No.: 5089-22-5

C.I. No.: 367

Chemical Structure:

Synonyms: 1,4-Bis(benzo[d]oxazol-2-yl)naphthalene; Fluorescent Brightener 367;

Optical Brightener KCB is an improved substitute of current widely used various optical brighteners. It’s extremely effective in brightening and present blue optical light when mixed in synthetic fiber and plastics. It significantly increases the gorgeous effect on colored plastic products

It is widely used in EVA and it is the first choice of fluorescent whitening agent for sports shoes, and it’s the also widely used in PE, PP, PVC, PS, ABS plastic film, extrusion material, injection molding material and polyester etc. It also has obvious whitening effect on coatings and paints.

It has the characteristics of convenient use, small dosage and good whitening effect.

Specifications:

Appearance: Yellowish Crystal Powder

Purity: 99.0% min.

Ash: 0.3% max.

Melting Point: 210-212℃

Volatile Content: 0.5%max

Max. spectral absorption wavelength: 370nm

Packing: 25kg net fiber drum