Brightening Agent

Brightening agent is a kind of organic compound which can improve the whiteness of fibre fabrics and paper. Also known as optical whitening agent, fluorescent whitening agent. Fabrics and so on are often yellow due to the presence of colored impurities.

Fluorescent Whitening Agent WF-9021

Description
Diphenyl ethylene derivatives
Features and Advantages	Application
High whiteness. Low dosage. Strong fluorescence. No macular and uneven color.	Whitening and brightening of polyester and its blended fabrics, or whitening of acetic acid fibers.

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Whitening Agent for Cotton MST-1

Description
Stilbene disulfonate derivatives
Features and Advantages	Application
Excellent whiteness, pure and bright color. Less yellowing. Excellent acid, alkali, hard water and electrolyte resistance. Low foam and good water solubility.	Pad dyeing of cotton, linen and blended fabrics at room temperature.

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Fluorescent Whitening Agent WS-D

Description
Diphenyl ethylene derivatives
Features and Advantages	Application
High whiteness with low dosage. No influence on coloration by temperature.	Whitening and brightening polyester and blended fabrics.

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Fluorescent Whitening Powder 4BK-1

Description
Stilbene derivatives
Features and Advantages	Application
Fluorescence whitening effect with a slight blue-purple light. Insensitive to light and stable chemical properties. Resist weak acid, alkali, hydrogen peroxide and perborate.	One bath whitening of cotton and polyester-cotton blended fabrics and pad dyeing process.