Chemical name:

　　4-2benzoxazolylnaphthalene MF:C24H14N2O2 MW:362

　　Appearance: yellow crystal powder

　　assay:≥99.00% Ash:≤0.1% MP is :o210- 212ºC

　　maximum absorption spectral position:370nm

　　Application:

　　Fluorescence brightener KCB has strong bleaching effect, it can be used in synthetic fiber and plastic products, including EVA ,PE, PP, PVC, PS, ABS and polyester. It also can be used in paint and coating

　　Dosage:

　　(1)about 0.01%-0.03%, Fluorescence brightener KCB 10-30g/100g material

　　(2)if you add UV absorbent into plastic, you should increase the dosage of Fluorescence brightener KCB

　　Security & management :

　　common chemicals wear the glasses and glove when used no contacted with skin and eye ,if contacted, washing with water.

　　Packing: 20gkg/25kg carton (double layers plastic bag) ,stored in cool dry airiness place .