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High quatity OB - 1T Optical Brightening Agent Textile And Fabrics Vat Dyes For PVC Buckle

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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High quatity OB - 1T Optical Brightening Agent Textile And Fabrics Vat Dyes For PVC Buckle

China High quatity OB - 1T Optical Brightening Agent Textile And Fabrics Vat Dyes For PVC Buckle supplier

Large Image :  High quatity OB - 1T Optical Brightening Agent Textile And Fabrics Vat Dyes For PVC Buckle

Product Details:

Place of Origin: China
Brand Name: Lianda
Certification: SGS
Model Number: OB-1T

Payment & Shipping Terms:

Minimum Order Quantity: Negotiate
Price: Negotiate
Packaging Details: 25kg/drum
Delivery Time: Within 3 working days upon receipt of payment
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 5000 tons per year
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Detailed Product Description
Product Name: Optical Brightener OB-1T Other Name: Fluorescent Brightener
Formula: C28H18N2O2 CAS No.: 1533-45-5
EINECS No.: 216-245-3 Purity: ≥98.5%
Packing And Storage: 25KG Cardboard Drums Are Packed In Double Lined Bags And Kept Away From Light In A Cool, Dry Place For Free Shipping OB-1T With Lowest Price Raw Material Bulk 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 Brightening Agent OB-1T Textile and Fabrics Vat Dyes for PVC buckle


Product Description

Product Name Optical brightener OB-1T
Other Name Fluorescent brightener
Appearance bright yellow crystalline powder
Purity ≥99%
Melting point 250~310 °C
Volatile: <0.5%
Package 20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements.

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



Bright green crystalline powder---Optical brightener OB-1T, insoluble in water, high-temp. resist, the maximum absorption of wavelength spectrum is 370mm, it is mainly used for whitening and brightening of synthesis of fiber and plastic.



Fully mix up the Optical brightener OB-1T with the raw materials, then molding processing.

Optical brightener OB-1T commonly used in the amount of 0.01-0.03%, that is, each 100kg of the materials, the Optical brightener OB-1T takes 10-30g or can be adjusted according to the requirements of the product or test.




1. Suitable for whitening polyester fiber, nylon fiber, polypropylene fiber and other chemical fiber.

2. Suitable for the conventional polymerization of polyester and nylon.

3. especially suitable for high temperature molding of plastic products whitening.

High quatity OB - 1T Optical Brightening Agent Textile And Fabrics Vat Dyes For PVC Buckle


Nature features:

1. Fluorescent Brightener OB-1T is a yellow-green crystalline substance that is insoluble in water and stable in performance. Its maximum absorption spectrum wavelength is 374 nm and it has strong fluorescence with an emission wavelength of 434 nm.

2. High whitening intensity with strong fluorescence.


We supply:

1. We supply higher than 98% purity of optical brightener powder.

2. We are a company who founded for decades of years, with advance technical and testing equipment, Additionaly, We have strict monitoring  system.

3. OEM and ODM are welcomed.

4. Corporate Mode: We treat clients not only as partners but 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 hot-line 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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