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Qingzhou Jinhao New Material Co., Ltd.,

JHZ-724 TETRASULFONIC ACID WHITENING AGENT

JHZ-724 TETRASULFONIC ACID WHITENING AGENT

JHZ-724 Tetrasulfonic Acid Whitening Agent is a high-substantivity optical brightener specially developed for papermaking applications. With excellent water solubility and strong fiber affinity, it significantly enhances paper brightness and whiteness. Suitable for high-grade printing, writing, and cultural papers, it ensures stable performance and uniform brightening effect.
Quantity

1.Main technical indicators

Appearance: Amber liquid

Viscosity: ≤ 50mPa. s (25 ℃)

PH value: 8-10

Density: 1.05-1.15g/cm3

Ionic: Anionic


2.Performance characteristics

1) Easy to use, miscible with water in any ratio, suitable for automated continuous addition and metering.

2) Has good acid resistance and excellent whitening effect even at lower pH values.

3) Compared with similar products, it has considerable sun fastness and acid alkali fastness.


3.Scope of application

1) Fluorescent whitening in pulp.

2) Fluorescent whitening during surface coating

3) Perform fluorescent whitening during the coating process.


4.Usage method

1) It can be directly added to the pulp, with a conventional dosage of 0.05-1.2% (absolute dry pulp).

2) When used together with commonly used starch, CMC, and PVA in surface sizing, a good whitening effect can be achieved, with a conventional dosage of 0.5-10g/L.

3) The conventional dosage during the coating process is 0.1-1.4%, and better results can be achieved when PVA, CMC, and starch are used together.


5.Packaging storage

Packaging: Packaged in 50kg, 200kg, and 1000kg plastic drums;

Storage: It should be stored in a cool, dry, and well ventilated warehouse;

Storage period: 12 months.



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