China-Flourescent-Brightener

China-Flourescent-Brightener

Tetrasulfonated optical whitening agent
 
 
This product is a liquid fluorescent whitening agent used in papermaking.  
Characteristics: 
1. This product is easy to use, can be arbitrary proportion miscible with water, is suitable for continuous addition. 
2. It has good acid-resistance, under low PH value also has excellent whitening effect
3. It is very stable above 0°C. If temperature is below -3°C, it will freeze, if move to room temperature place or heating can melt, and to use effect without any adverse effects
4. This product uses advanced nanofiltration technology to make it contain low salt content At room temperature, it has good storage stability. 
Scope of application
1. In the process of surface sizing. 
2. In the process of coating.  
Specification Tetrasulfonated 
Appearance Amber transparent liquid
Ionicity  Anionic
PH 8.0--10.0
Viscosity (25°C) ≤50mpa. s
Density 1.05-1.2g/cm3
Whiteness (WCIE)  ≥ -0.3
Fluorescent strength (equivalent to standard substance)  35 
Application: We can add it into paper pulp directly, the dosage is: 0.05-1.2% to oven dry stock In the process of surface sizing, it has better whitening effect used together with CMC, PVA and starch. The dosage: 0.5-10g/L. 
In the process of coating, it can be added at any position. it has better whitening effect used together with CMC, PVA and starch. The dosage: 0.1-1.1% to the coating weight 
Packaging and storage 
Plastic barrel for 200kg and 1000kg or your demand 
Stored in closed containers at the temperature between 0-35°C, Shelf life: 6 months.  

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Lisheng Trading Co., Ltd. , http://www.jnbuckles.com