Product Description

We are optical brightener OB-1 manufacturer,we can offer you the high and steady quality with competetive price. Optical brightener OB-1,fluorescent brightener OB-1,optical brightening agent OB-1,brightener OB-1 Specification Molecular formula: C28H18N2O2 CAS NO.:1533-45-5 HS Code:32042000 C.I. Number 393 Appearance:light yellow or green powder Melting point: 250-270? Purity: =98.5% Ash:?0.3% Fineness: =300 Application 1.It is suitable for whitening and brightening the chemical fiber for example lanon, nylon fiber. 2.used to whiten and brighten polypropylene plastics, solid PVC, ABS, EVA, polystyrene, makrolan and so on. 3.add it in common polymerization of the material polyester and nylon.specially used to whiten and brighten plastic products fashioned under high temperature. Package 1.Packed in 25kg/board drum or kraft paper bags. 2.Stored in shady and dry lucifuge place.