Optical Brighteners

Optical Brightener KCB (OBA**7)

CAS NO: ********5

Appearance: yellowish green crystals powder
Melting point: ******2°C
Fluorescent tone: bluish bright wihte tone
Solubility: insoluble in water,but soluble in ordinary organic solvents
Packaging: Packaged in cardboard drums,*0kg or *5kg each
Properties:Fluorescence Brightener KCB belongs to benzoxazoles type fluorescence brightener. Having extremely strong effect of brightening, the tint is blue brilliant white light. Does not dissolve in water. The solubility in the following solvents of **0ml is: toluene is 1.*2 grams; carbon tetrachloride is 0.8 grams; acetone is 0.*7 grams, dimethyl formamide is 0.*6 grams.
Uses:Fluorescence Brightener KCB is mainly used for whitening the synthetic fibers and plastic, has very obvious effect for whitening the colored plastic products. Large amount of it is used for whitening the plastic film and press molding materials. Can also be used for whitening the polyester fiber, coating and natural paint.
Method of Application: Disperse the brightening agent completely, enable the brightening agent to disperse in the whole polymer evenly, adopt brightening agent concentrated agglomerate will have better disperse effect. Consumption: 0. *1% - 0. *3% . Users can require to adjust properly according to product.