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Specifications

Optical Brightening Agent HPE
                                (C.I. 220)
Chemical name
Stilbene bistriazine derivative
Structural formula
 
Specification
Appearance:
brown liquid
Viscosity:
≤80 mpas
PH value:
8.5~10.5
Density:
1.1~1.2g/cm3
Ionic character
anionic
Treating process:
 
 
 
1.Addition via size press: combined with starch, CMC, PVA and other products designed for surface sizing. Usual dosage: 0.5~10g/l
2.Addition to the pigment coating mixtures: adding in any stage of building coating material. Good performance with the carrier of CMC, PVA and starch. Usual dosage: 0.1~1.4% on dry white pigment.
3.Addition to the stock: adding without dilution. Usual dosage: 0.05~1.2% on dry pulp.
For actual application, the process should be adjusted according to correspondent sample-test.
Property:
1.Convenient in application,diluted with water perfectly, suitable for continuous addition.
2.Good acid stability
3.Great performance in size press and pigment coating mixtures
Use:
Mainly be used in size press, pigment coating mixtures.
Package:
200kg,1000kg or for the special demand.
Note: It needs to be declared that the above data is based on our present knowledge and experience; owing to too many affecting factors, these data cannot be free from their check and test when processing and using the product.