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Optical Brightener Optical Brightening Agent OB OBA For Plastic Whitening CI184

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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Optical Brightener Optical Brightening Agent OB OBA For Plastic Whitening CI184

China Optical Brightener Optical Brightening Agent OB OBA For Plastic Whitening CI184 supplier

Large Image :  Optical Brightener Optical Brightening Agent OB OBA For Plastic Whitening CI184

Product Details:

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

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,TT,D/P,Western union
Supply Ability: 5000 Tons per year
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Detailed Product Description
Classification: Chemical Auxiliary Agent, Chemical Auxiliary Agent CAS No.: 1533-45-5
MF: C28H18N2O2 EINECS No.: 216-245-3
Purity: 98%, 98% Appearance: Light Green Powder
Place Of Original: Hunan,China Fineness: 100mesh

Optical Brightening Agent Optical Brightener OB OBA For Plastic Whitening CI184


Product Description



Product Name

Optical brightener OB







Other Name

Fluorescent brightener


Light green powder



Melting point

198~200 °C



Optical Brightener OB Package

20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements. 

Optical Brightener OB Applications:
It is widely used in thermoplastic such as PVC, PE, PP, ABS, PS, and unsaturated resin; and paint, ink and oil soluble coatings.

Optical Brightener OB Properties: 

The product is light green or green powder, non-toxic and tasteless, can dissolve in alkane, fat, mineral oil, paraffin and most organic solvents, 

the absorption spectra of the largest value for 375 mm (in ethanol).

Optical Brightener OB Dosage:

It is widely used in thermoplastic such as PVC, PE, PP, ABS, PS, and unsaturated resin; and paint, ink and oil soluble coatings.


Percentage of weight with plastic raw material:

PVC whitening: 0.01~0.05%;       to improve the light intensity: 0.0001~0.001%

Polystyrene :0001~0.001%;        ABS:0.01~0.05%;

Polyolefin matrix: 0.0005~0.001%  White matrix: 0.005~0.05%





Company Introduction


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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