Product Description

Optical Brightener KCB(C.I:**7) Chemical name: 4.*-bis(benzoxazolyl**-yl)naphth-alene Molecular formula: C*4H*4O2N2 Molecular weight: **2 CAS NO.: *********1 C.I:**7 Specifications:: Appearance: yellow green color powder Melting point: ******2°C Assay: *9.5min Moisture: 0.5%max Ash Content: 0.1%max Application: PR Optical Brightener KCB is mainly used in brightening synthetic fiber, plastics, injection molded materials, EVA foamed plastics and rubber products, and whitening coatings and lacquers., it also used in brightening polyester fiber, dye and natural paint as well Package: Packing in *5kg fiber drum. It also can be packed **0kg in big bag or according to the requirement of the customers.