Optical Brightener KCB
Chemical Name 4.4-bis(benzoxazolyl-2-yl)naphth-alene
Molecular Formula C24H14O2N2
Molecular Weight 362
Structure

CAS Number 63310-10-1
Specification Appearance: Bright-colored blue with white light
Melting point: 210-212°C
Solid content: ≥99.5%
Fineness: Through 100 meshes
Volatiles Content 0.5% max
Ash content: 0.1%max
Applications Fluorescent Brightener KCB is mainly used in brightening synthetic fiber and plastics, PVC, foam PVC, TPR, EVA, PU foam, rubber, coating, paint, foam EVA and PE ,can be used in brightening plastic films materials of molding press into shape materials of injection mold, can be also used in brightening polyester fiber, dye and natural paint.
Packing 25 kg / fiber drum