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Optical Brightener for paper industry

Optical Brightener can absorb UV light then emit visible blue light to reduce the yellowish and make the products more white.Optical Brightener for paper industry is one of the most important part of optical brighteners application.

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  • Brand: Raytop
  • Appearance: Yellow Green
  • Purity: 98.5%
  • Color shade: Blue
  • Finess: 300 mesh
  • Package: 10kg/25kg per fiber drum
  • Shelf Life: 2 years
Call Us: +86-15854199366

Optical Brightener can absorb UV light then emit visible blue light to reduce the yellowish and make the products more white.Optical Brightener for paper industry is one of the most important part of optical brighteners application.

optical-brightening- agents-textiles.jpg


Product Name

Optical Brightener BBU

CAS No.

16470-24-9

C.I. No.

220

Technical Index

Appearance:straw yellow uniform powder

Brightness:similar to-quite low

Intensity:100(conmpare with standard)

Water content,% ≤:5

Insoluble matter in water,% ≤:0.5

Fineness(180um residue),% ≤:10

Properties and use:

Cationic distyrene optical brightener, with medium solubility in water and purplish blue fluoresoence,Use in pulp brightening, surface sizing and coating, etc, Can also be used to brighten cotton,T/C blends,fiax, polyamide fibers,and light-color textiles.

 Application method:

Paper making:
1.When brighten in pulp, BA shouid be added before alum or cationic auxiliary agent;dosage;0.05-0.4%(of absolute dry puip).
2.In surface sizing,it can be used at any stage of coating production in the form of aqueous solution after dissolved.
3.In coating, it can be used at any stage of coating production in the form of aqueous solution after dissolved.

Textile printing and dyeing:
Dosage:0.05-0.4%(o.w.f), bath ratio:1:5-40, anhydrous sodium sulfate:5-20g/L, normal-temperature dyeing, dyeing temperature;60-100℃,PH:7-9.
Packing: 25kg carton drum or iron drum lined with plastic bag.

Optical Brightener BBU is a very kind of optical brightener for paper industry,there are powder and liquid form,can be used directly.

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