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OBA 220 Powder Optical Brighteners In Paper CAS No. 16470-24-9 C40H40N12O16S4Na4

Good quality Fluorescent Brightening Agent for sales
Good quality Fluorescent Brightening Agent for sales
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OBA 220 Powder Optical Brighteners In Paper CAS No. 16470-24-9 C40H40N12O16S4Na4

China OBA 220 Powder Optical Brighteners In Paper CAS No. 16470-24-9 C40H40N12O16S4Na4 supplier

Large Image :  OBA 220 Powder Optical Brighteners In Paper CAS No. 16470-24-9 C40H40N12O16S4Na4

Product Details:

Place of Origin: China
Brand Name: Lianda
Certification: SGS
Model Number: BBU

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 25kg/drum
Delivery Time: Within 3 working days upon receipt of payment
Payment Terms: L/C,T/T,D/P,D/A,Western union
Supply Ability: 5000 Tons per year
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Detailed Product Description
Classification: Chemical Auxiliary Agent CAS No.: 16470-24-9
Other Names: Optical Brightener 220 MF: C40H40N12O16S4Na4
EINECS No.: 240-521-2 Purity: 99%min
Type: Optical Brightener Bbu Usage: Paper Chemicals, Plastic Auxiliary Agents
Product Name: Optical Brightener BBU Keywords: Optical Brightener BBU
C.I.: 220 Appearance: Light Yellow Uniform Powder
Application: Paper Making,cotton Fiber And Glue Fiber Application 2: Paper Pulp,surface Gluing

Optical Brightener BBU for paper making OBA 220 powder

Product Description


Optical Brightener BBU Powder(C.I.220)


C.I.220 CAS:16470-24-9   


FORMULA: C40H40N12O16S4Na4

CAS: 16470-24-9






Light yellow uniform powder

Fluorescent strenghth (equivalent to the standard sample)


Color Shade

Similar to the standard sample

Whiteness (the deviation with the standard sample)           

≥ -3

Moisture content                                      

≤ 5.0%

Content of water-insoluble impurities                   

  ≤ 0.5%

Fineness (residual content passed through 250μm-pore sieve)  

≤ 10%



1.Good water solubility and can be dissolved in 3-5 times boiling water, and its solubility is 300 g per liter in boiling water and 150 g per liter in cooling water.

      2. Good resistance to hard water, the ions of Ca2+ and Mg2+ have no influence on its whitening effect.

      3. Good resistance to peroxide bleach agent and containing reductive bleaching agent (sodium hydrosulfite).

      4. General acid-resistance and the optimal applied pH value >7.



      1. Used for cotton fiber and glue fiber.

      2. Used in the syrup of discharge pattern of printing color.

      3. Used in paper pulp.

      4. Used in the process of surface gluing.

      5. Used in the process of coating.

PROCESS:(Such as padding dyeing)

      Bath temperature is about 95-98℃, holding time is about 10-20 minutes, bath ratio is 1:20, vapour steaming about 45 minutes, the dosage is 0.1-0.5%.

PACKAGE: Packed in cardboard bucket after being packed in plastic bag,or packed in craft bag with pallet. Net weight per bucket is 25 kg or 50 kg.


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