Optical brightener FP-127
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Fluorescent Brightener FP-127(FBA378)
Appearance : Light yellow or milk white crystalline powder
Structure : a compound of diphenylethylene group biphenyl type
Resistance to acid and alkali : rather strong
Solubility : Insoluble in water, but soluble in ordinary solvents
Melting point : 216-2210C
Fluorescent Brightener Agent FP-127 has very good whitening effect on various kinds of plastics and their products, especially on the products of plastics such as PVC and PS. It has extra ideal whitening and brightening effects on artificial leathers. No yellowing and discoloring will occur on the products whitening by this whitening agent even if they are stored for a long time. Brightener Agent FP is similar to Uvitex FP made in foreign country.
3. Directions for use and dosage (on weight of plastic) :
The dosage should be 0.01-0.05% on weight of plastic. Put the whitening agent into the plastic pellets and mix the mixture thoroughly before shaping the plastic products.
4. Packaging and storing:
Cardboard drum,25kg or 20kg each. Stored in cool and dry place.
5. Heat Stability:
Higher than 3000C, can meet the temperature requirement in processing all kinds of plastics.
6. Other information:
Product Name : 4,4'-Bis(ortho-methoxystyryl) biphenyl
Molecular Formula : C30H26O2
Molecular Weight : 418