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Chemical name:
4-2benzoxazolylnaphthalene MF:C₂₄H₁₄N₂O₂ MW:362
Appearance: yellow crystal powder
assay:≥99.00% Ash:≤0.1% MP is :º210-    212°C
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 .