Fluorescent Whitening Agent OB (FBA 184)
Properties:
Appearance: Light yellow or milk white powder
Structure: A compound of benzoxazole type
Melting point: 201-202℃
Solubility: Hardly soluble in water, but soluble in paraffin, mineral oils and ordinary organic solvents.
Applications: OB can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fire, paint, coating, printing ink, etc.. It can be added at any stage in process for process for whitening the polymers and can give the finished products a bright bluish white glaze.
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.
Specifications:
Item |
Indices |
Appearance |
light yellow or milk white powder |
Purity |
≥99% |
Melting point |
201~202℃ |
Packaging and storing: Packaged in cardboard barrels, 25kg or 50kg each. Stored indry and cool place.
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