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optical brightening agent
optical brightening agent

optical brightening agent This whitening agent KCB used for whitening and brightening plastic films,injection-molded materials,

1.Properties:Appearance:yellowish green crystalline powder Structure:a compound of naphthalene-benzoxazole typeMelting point:210-212°C Fluorescence tone:bluish bright white tone           Solubility:insoluble in water,but soluble in ordinary organic solvents                                                                                      

2.Applications:                                                                                                                                                                                                                                                   This whitening agent can be used for whitening and brightening plastic films,injection-molded materials,EVA foamed plastics and rubber products,and whitening coatings and lacquer.It is similar to the products such as Hostalux KCB and Hoechst T1258 made in foreign country.

3.Directions for use and dosage:                        Mix this whitening agent with the pellets to be whitened thoroughly and then carry out shaping. Generally, a dosage of 0.01-0.05% on weight of material to be whitened is recommended.

4.Specifications:                                                                                                                            
ItemIndices
Appearanceyellowish green crystalline powder
Melting point210-212°C     
Purity≥99%
Volatile content≤0.50%
Ash content≤0.10%

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

optical brightening agent

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