Fluorescent Whitening Agent OB(FBA184) |
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:
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: |
| Item |
Indices |
| Appearance |
light yellow or milk white powder |
| Melting point |
200-202°C |
| Purity |
≥99% |
| Volatile content |
≤0.50% |
| Ash content |
≤0.10% |
|
5.Packaging and storing:
Packaged in carboard boxes,25kg or 50kg each.Stored in dry and ventilated place.
|
|