We are professional optical brightener manufacturers and suppliers, own optical brightener factory, one of the best Optical Brightener OB-1 and UV absorber manufacturers and suppliers china.
Call Us: +86-15854199366 Email: sales@obaindustrial.com

Powder and Liquid optical brightener BBU for paper industry

Powder optical brightener for paper industry:optical brightener VBL,optical brightener BA,optical brightener BBU ,
Liquid optical brightener for paper industry:optical brightener APC,optical brightener BA-L,optical brightener 263,optical brightener 357

  • Brand: Raytop
  • Appearance: Yellow Green crystal powder
  • Purity: 98.5%
  • Color shade: Blue
  • Finess: 200mesh
  • Package: 20/25 kraft paper bag
  • Shelf Life: 2 years
  • Transport: by sea or by air
  • Molecular formula: C40H42N12O16S4Na4
  • CAS: 16470-24-9
  • Solubility: water dissolve
  • Wavelength: 350nm
Call Us: +86-15854199366

Optical brightener is a kind of colorless fluorescent dye. It has no color and luster. The white substance generally absorbs the blue light of 450~480nm in the visible light slightly, which causes the blue light to be insufficient, causing it to have a yellowish light and reflect it to human eyes. Optical brightener can absorb ultraviolet light (wavelength range of 300-400nm), and then emit visible blue-violet fluorescence (wavelength range of 420-480nm), blue-violet light and yellow light on the fabric form a complementary color , It looks whiter and brighter on the senses, so as to achieve the whitening effect on the fiber.


There are many varieties of optical brightener, which can be divided into optical brightener for washing, textiles, paper making, plastics, and synthetic materials according to their uses. According to the structure, it can be divided into stilbene type, coumarin type, pyrazoline type, benzoxazole type, phthalamide type and so on. There are many different textile fiber fabrics on the market. Because the molecular structure of each fiber is different, Optical brightener with different molecular structures should be used when whitening, so that the fibers can be dyed uniformly and firmly.


Therefore, the Optical brightener used must meet the following basic requirements:

(1) It has affinity with fiber;

(2) It has good water solubility;

(3) Stability in use;

(4) It has a uniform whitening effect;

(5) Environmental protection is required.


Our company focuses on the research and production of optical brightener,we equipped with advanced test equipment and production equipment, and has professional researchers and technical application personnel, the whitening products have uniform whiteness, bright whiteness and gloss transparent and bright.


Today ,we want to talk about Powder and Liquid optical brightener for paper industry.

Powder optical brightener for paper industry:optical brightener VBL,optical brightener  BA,optical brightener  BBU ,

Liquid optical brightener for paper industry:optical brightener APC,optical brightener BA-L,optical brightener 263,optical brightener 357

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