Molecular formula：C₃₆H₃₄N₁₂S₂O₈Na₂
Maximum UV absorption wavelength：348nm
Relative molecular weight：872.84（according to 1997 international relative atomic mass）
Executive standard：GB/T10661-2004

Quality index
 

1. It is easy to use and can be mixed with water in any proportion. The flow rate can be controlled by the metering pump and automatically added continuously.
2. It has a good acid-base resistance and excellent whitening effect.
3. When the temperature is above 0 ℃, the product is stable, and it may freeze below - 10 ℃. However, it will dissolve naturally when the temperature is above 0 ℃, which does not affect the use effect.

Scope of application

Mainly used for whitening of pulp, cotton, hemp, cellulose fiber fabrics, brightening of light-colored fiber fabrics.
 

Instructions

1. Used for pulp whitening, can be directly added to the slurry, the conventional dosage: 0.3-1.2% (for bone-dry pulp or bone-dry coating)
2.It can be used together with starch, CMC, PVA, etc. in surface sizing to obtain better whitening effect.
 

Packaging and storage  

25kg, 50 kg, 200 kg, 1100kg plastic drums or according to user requirements.
Should be stored in a cool, dry and ventilated place.
 

Tetrasulphornic  liquid

Molecular formula：C40H40N12S4O16Na4
Relative molecular weight：1165.12(according to 1997 international relative atomic mass)
Maximum UV absorption wavelength：350nm
Executive standard：HG/T 3727—2003
 

Quality index

Performance characteristics
1. It is easy to use and can be mixed with water in any proportion. It is suitable for automatic continuous addition measurement.
2. It has good acid resistance and excellent whitening effect even at low pH value.
3. This product adopts advanced nanofiltration technology, which makes it has low salt content and good storage stability at room temperature.
4.Compared with similar products, it has considerable light fastness and acid and alkali fastness
5. The product remains stable above 0 ℃ and may freeze below - 3 ℃. However, it will dissolve after heating, which does not affect the use effect.

Scope of application

1. Fluorescent whitening is carried out in pulp.
2. Fluorescent whitening is carried out in surface sizing.
3. Fluorescent whitening is carried out during coating.

Instructions

1. Can be directly added in the pulp, conventional dosage: 0.05-1.2% (absolute dry pulp).
2. In the surface sizing, better whitening effect can be obtained by using starch, CMC and PVA in common use. The conventional dosage is 0.5-10 g / L.
3. In the coating process, any position can be added, when PVA, CMC and starch are used together, the better effect will be obtained. The conventional dosage: 0.1-1.4% (for coating weight).

Packaging and storage 

25kg, 50kg, 200kg, 1100kg or plastic drum packaging, according to customer needs can provide special packaging.
It should be stored in a cool, dry and ventilated warehouse.
 

 Hexasulphornic  liquid

Molecular formula：C40H38N12Na6O18S6
Main ingredients：Stilbene triazine derivatives

Quality index

Performance characteristics
1. It is especially suitable for whitening in coating and surface sizing. It is mainly used in the production of high white paper. It is a kind of fluorescent whitening agent with the largest whitening range.
2. It has good acid resistance and excellent whitening effect even at a low pH value.
3. It is easy to use and can be mixed with water in any proportion. It is suitable for automatic continuous addition measurement.
4. It has very good fastness to sunlight and acid and alkali.
5. It is suitable for pH value of 1-13.

Scope of application

1.Fluorescent whitening is carried out on the coating.
2.Fluorescent whitening is carried out in surface sizing.
3.The porcelain clay is whitened by fluorescence.

Instructions

1. In the process of coating preparation, it can be added at any position. When used with PVA and CMC, the better effect will be obtained. The conventional dosage is 0.2-2.0% (for the absolute dry weight of coating).
2. In surface sizing, it is often used with surface sizing starch and PVA. The conventional dosage: 7-15kg / t paper or 13-28g / L surface sizing solution can obtain better whitening effect.
3. The conventional dosage of whitening in porcelain clay is 1-3kg / T absolutely dry porcelain clay.

Packaging and storage 

25kg, 50kg, 200kg, 1100kg or plastic drum packaging, according to customer needs can provide special packaging. It should be stored in a cool, dry and ventilated warehouse.
It should be stored in a cool, dry and ventilated warehouse.