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357 Optical Brightener For Cotton Fiber Glue Fiber Paper Pulp Surface Gluing Coating

Good quality Fluorescent Brightening Agent for sales
Good quality Fluorescent Brightening Agent for sales
Customer Reviews
The goods arrived quickly in the manner provided. Very professional seller service.We'll purchase again and cooperate with you for long time.

—— Giacomo

Package prepration was really fast and the delivery was even faster. Always liked dealing with Lianda company for optical brightener and pretty satisfied with the service and product.

—— Sohail Al

Very good quality and satisfied with the product! You are a very good supplier in China!

—— Jayson

Very good quality and fast delivery, I like it very much! Thank you for all you did.

—— Timya

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357 Optical Brightener For Cotton Fiber Glue Fiber Paper Pulp Surface Gluing Coating

China 357 Optical Brightener For Cotton Fiber Glue Fiber Paper Pulp Surface Gluing Coating supplier

Large Image :  357 Optical Brightener For Cotton Fiber Glue Fiber Paper Pulp Surface Gluing Coating

Product Details:

Place of Origin: China
Brand Name: Lianda
Certification: SGS
Model Number: 357

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.: 41098-56-0
Other Names: Fluorescent Brightener 357 MF: C40H38N12Na6O18S6
EINECS No.: 231-5-0 Purity: 98%, 98%
Type: Optical Brightener 357 Usage: Coating Auxiliary Agents, Paper Chemicals, Textile Auxiliary Agents
Product Name: Optical Brightener 357 Appearance: Light Yellow Uniform Powder
Color: Light Yellow Keywords: Optical Brightener 357
Place Of Original: Hunan,China Fineness: 100mesh
Application: Cotton Fiber Glue Fiber Paper Pulp Surface Gluing Coating

Optical Brightener 357 for cotton fiber glue fiber paper pulp surface gluing coating CAS 41098-56-0

Optical Brightener 357 for cotton fiber glue fiber paper pulp surface gluing coating CAS 41098-56-0


Product Description    








Light yellow uniform powder


Fluorescent strenghth (equivalent to the standard sample, E = 400±10)



Color Shade


Whiteness (the deviation with the standard sample)           


Water content                                      


Content of water-insoluble impurities                   


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




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


      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 first. Net weight per bucket is 20 kg or 25 kg. 

TRANSPORTATION: Should avoid sunlight and crash.

STORAGE: Should be stored in cool, dry and ventilate place, and storage period should not exceed 2 years.



Packaging & Shipping


20kg per carton,25kg per drum with PE liner inside.

Or packed in 1kg/2kg small bags as per customer's requirement.




Company Information


Changsha Lianda Chemical Co., Ltd. is a professional high-tech enterprise of fluorescent brightener in China. 

Being founded in 2007, we are the factory and manufacturer engaged in R & D, production, sales and after-sales services of fluorescent brighteners for decades of years. Till now, we have developed almost 40 series of the fluorescent brighteners, which have been widely used in plastics, textiles, printing and dyeing, paper, paints, coatings etc. Almost 80% of the products has been exported to more than 50 countries and regions such as the United States, Japan, Europe, South America, and the Arabic Area, etc.



Our Services

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We supply:

1. Quality be first! We supply higher than 98% purity of fluorescent brightener powder 

2. We are factory for decades of years with advance technical and testing equipment and very strict control system 

3. OEM and ODM are welcomed

4. Corporate Mode: We treat clients not only as partners also as friends

5. Fast & Cheap Delivery: We have contracted long-term forwarder partners, providing cheapest air, 

express, and ocean shipment according to your requirements, in-time tracking and 

24 hours phone or online after-sales services.



We will achieve this by being a reliable manufacturer to our global clients adhering to the core values of 


- Dedication to our customers’ success


- Respect for our employees


- Innovation


- Integrity


Contact Details
Changsha Lianda Chemical Co., Ltd.

Contact Person: admin

Tel: +8618570351751

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