optical brightener FP-127
optical brightener FP-127
This product optical brightener FP-127 for all kinds of plastic and plastic products have very good whitening effect, for PVC. Optical brightener FP-127 (optical brightener 378) has the advantages of long stored not yellow, do not fade, the same products abroad have Uvitex FP.
optical brightener FP-127 (optical brightener 378)
other name:optical brightener 378,fluorescent brightenerFP-127,fluorescent whitenerFP-127
Whitening agent 127
1、Performance:
Appearance: Light yellow or milk white crystalline powder
Structure type: belong to two styryl biphenyl type brightener
Acid-proof alkaline, can with strong acid and alkaline
Melting point: 216-222℃
Solubility: optical brightener FP-127(optical brightener 378)insoluble in water, soluble in organic solvents such as tetrachloroethylene, DMF, etc
2、Application:
This product optical brightener FP-127(optical brightener 378)for all kinds of plastic and plastic products have very good whitening effect, for PVC, and polypropylene plastic products whitening effect is more outstanding, the leatherette whitening effect is ideal, this product optical brightener FP-127(optical brightener 378)has the advantages of long stored not yellow, do not fade, the same products abroad have Uvitex FP.
3、Method and Dosage of use:
The whitening agent FP - 127(optical brightener 378)with 0.01 - 0.05% on weight of plastic, before all kinds of plastic products shaping processing, mix with plastic particles.
4、Specifications indicators:
Appearance: Light yellow or milk white crystalline powder
Purity: ≥99%
Melting point: 216-222℃
Maximum absorption peak: 368
Maximum fluorescence reflection: 436
Specific gravity: 1.23/cm3
Thermal stability: greater than 300 ℃, which can meet the temperature requirements of various plastic manufacturers processing
5、Packing specification:
20kg / 25kg cardboard drum, stored in a cool, dry place
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