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95% Purity Fluorescent Whitening Agent Paper Box A4 Paper 120 Mesh Fineness

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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95% Purity Fluorescent Whitening Agent Paper Box A4 Paper 120 Mesh Fineness

China 95% Purity Fluorescent Whitening Agent Paper Box A4 Paper 120 Mesh Fineness supplier

Large Image :  95% Purity Fluorescent Whitening Agent Paper Box A4 Paper 120 Mesh Fineness

Product Details:

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

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
CAS No.: 12224-06-5 MF: C36H34N12Na2O8S2
EINECS No.: 231-5 Purity: 95%
Appearance: Light Yellow Crystalline Powder Place Of Original: Hunan,China
Fineness: 120mesh Application: China Suppliers For Paper Box A4 Paper Optical Brightener

Fluorescent Whitening Agent Paper Box A4 Paper Detergent Optical Brighteners

Fluorescent Whitening Agent Paper Box A4 Paper Detergent Optical Brighteners


Product Description


Product name: Optical brightener VBL for dyeing,printing and paper making(C.I.85 )

Other name: Optical Brightener 85

CAS No.:12224-06-5

MF: C36H34N12Na2O8S2

Molecular: weight: 872.84

Appearance: Light yellow to yellow powder

Color tone: blue-green and micro-purple

UV absorption (in E) : 348nm

Strength:  100±3%

Whiteness: WCIE: -3

Fineness: <10%

Moisture content: <5%

Inpurity content insoluble in water: 0.5%



1.For cotton fabric and gluing products, light color or printing products.

2. For printing pulps and exhausting or padding dyeing.
3.For polyvinyl alcoholic fiber and polyamide fiber.
4. For paper-making industry, paper pulp or paints



1.with bluish violet color.
2.Soluble in soft water as much as 80 times weight, 300ppm in hard water.
3.Anionic types, alkali endurable, can be used in one bath of anionic and nonionic surfactant.
4.To be unendurable ion of copper and iron, etc. Unsuitable to be used in cationic dyestuff and surfactant.



1.The dosage used is 0.08-0.3% in printing and dyeing industry.

The conditions of VBL’S dip-dye whitening are similar to the direct dye.

For example: cotton cloth dip-dye Whitening

VBL 0.08-0.3% (fabric weight) anhydrous sodium sulfate:0-20% (plant weight)

Processing conditions, bath ratio 1: 20-1: 40, PH 7-9,Temperature: 20 - 40 °C,Time: 20-30 minutes.

Dr        Dyeing condition: drying temperature is usually the 70 - 80 °C


2. The dosage used is 0.1-0.3% in paper making industry.

Pad dying fabric whitening usually needs refining bleaching, dechlorination, drying, speed is generally  30-40 m / min or so, two Baptist 2 rolling, rolling liquid rate: 70-100%, temperature: 40 -50 °C, PH = 7-9 For example: cotton cloth whitening: VBL 0.5-3 g/l,Opened powder 0.25-0.5g/l.


Package: 25kg/drum,8tons/20FCL, or as customer request.




Packaging & Shipping






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 StatesJapan, 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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