1.Properties:
Appearance:light yellow or milk white powder
Structure:a compound of benzoxazole type
Melting point:200-202°C
Solubility:hardly soluble in water,but soluble in paraffins,mineral oils and ordinary organic solvents.

2.Applications:
OBA OB can be used for whitening thermoplastic plastics,PVC,PS,PE,PP,ABS,Acetate fier,paint,coating.printing ink,etc..It can be added at any stge in prodess for process for shitening the polymers and can give the finished products a bright bluish white glaze.

3.Directions for use and dosage:
The dosage should be 0.01-0.05% on weight of plastic.Put whitening Agent OB into plastic pellets,mix the mixture thoroughly and then carry out shaping.Fluorescent whitening Agent OB is similar to Uvitex OB made in foreign country.

4.Specifications:

5.Packaging and storing:
Packaged in carboard boxes,25kg or 50kg each.Stored in dry and ventilated place.