Optical Brightener 220
(Tetrasulphonic)
Main chemical composition: Stilbene bistriazine derivative
Specification:
E value: 130
Appearance: brown liquid
Viscosity:≤60mpas
PH value: 8.0-10.0
Density:1.0-1.2g/ 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
4. Suitable for using in the condition of PH value 4.5-13
Application: Mainly be used in size press, pigment coating mixtures.
Process:
Addition via sizing press: combined with starch, CMC, PVA and other products designed for surface sizing. Usual dosage: 1-20g/l.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% of dry white pigment.Addition in Pulp: adding without dilution. Usual dosage: 0.1-1.2% on dry pulp.
For actual application, the process should be adjusted according to correspondent sample-test..Package: 240kg, 1100kg or for the special demand. The information of our products is for reference only. We are not responsible for any unexpected results or patent dispute caused by it.