Sell Optical Brighteners HPE

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Optical Brightening Agent HPE
Main Chemical Composition: Stilbene bistriazine derivative

Specification: Appearance: brown liquid
Viscosity:<=80 mpas
pH value: 7.0-9.5
density: 1.1~1.2g/cm3

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

Application: Mainly be used in size press, pigment coating mixtures.

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.

Package: 220kg, 1000kg or for the special demand