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Optical Brighteners in Paper

Besides,Optical Brightener used in plastics,detergent optical brighteners,optical brightener aslo can be used in paper.some times people use optical brighteners powder or liquid to make the paper more white and high grade.

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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

Besides,Optical Brightener used in plastics,detergent optical brighteners,optical brightener aslo can be used in paper.some times people use optical brighteners powder or liquid to make the paper more white and high grade.Because 

Optical Brightener is kind of additives can absorb UV light then emit visible blue light to reduce the yellowish and make the products more white.

Optical Brightener BBU.jpg

Product Name

Optical Brightening Agent 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 fluorescent 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 puip, 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.


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