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Premium Optical Brightener Agents & Industrial Chemicals

High-performance chemical solutions for Acrylic, Wool, Silk, Polyester, Plastics, Rubber, Paper, Ink, Paint, Coatings, and Laundry Detergents. Trusted by global manufacturers since 2016.

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About Shanghai Longpu Industry Co., Ltd.

Shanghai Longpu Industry Co., Ltd. is a professional manufacturer and exporter of optical brightener agents and industrial chemicals based in Shanghai, China. With years of expertise in chemical synthesis and quality control, we deliver reliable, high-purity products to clients across the globe.

Our product range includes optical brighteners for textiles, plastics, paper, inks, coatings, and detergents, along with antioxidants, pentaerythritol, UV absorbents, and dye intermediates. We serve industries requiring precision chemical performance and consistency.

  • ISO-Compliant Manufacturing
  • OEM/ODM Services Available
  • R&D-Driven Innovation
  • Global Export Experience
Optical Brightener OB Antioxidant 1520L MST-L Brightener BAC L for Acrylic

Our Top Products

Discover our premium range of optical brighteners, antioxidants, and specialty chemicals engineered for performance and reliability.

Optical Brightener OB (C.I. 184)

Optical Brightener OB (C.I. 184)

Also known as Uvitex OB (Huntsman), ideal for plastics, coatings, and inks.

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Optical Brightener BAC L

Optical Brightener BAC L

High-efficiency brightener for acrylic fibers and synthetic textiles.

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Optical Brightener MST-L

Optical Brightener MST-L

Uvitex MST equivalent, excellent for polyester and cotton blends.

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Optical Brightener C.I.199 ER-I Liquid

Optical Brightener C.I.199 ER-I Liquid

Liquid formulation for easy dispersion in detergents and pulp.

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Antioxidant 1520L

Antioxidant 1520L

High-performance antioxidant for polymers and rubber systems.

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Benzaldehyde 2-Sodium Sulphonate

Benzaldehyde 2-Sodium Sulphonate

Key dye intermediate with high purity and stability.

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Optical Brightener C.I.140

Optical Brightener C.I.140

Specialized for silk and wool applications with excellent fastness.

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Optical Brightener BUL

Optical Brightener BUL

Versatile agent for paper, pulp, and textile applications.

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Why Choose Us?

We combine technical expertise, rigorous quality control, and customer-focused service to deliver chemical solutions you can trust.

R&D Driven

Innovative formulations developed through continuous research and testing.

Quality Assured

Strict quality control from raw materials to final product delivery.

OEM/ODM Support

Custom manufacturing and private labeling for global partners.

Global Reach

Exported to over 30 countries with reliable logistics and support.

100+

Products Offered

30+

Countries Served

9+

Years Experience

500+

Satisfied Clients

Frequently Asked Questions

What are optical brightener agents used for?

Optical brighteners absorb UV light and re-emit blue light, enhancing whiteness and brightness in textiles, paper, plastics, and detergents.

Do you offer samples?

Yes, we provide product samples upon request. Please contact us via the official website for sample inquiries.

Can you customize formulations?

Yes, we offer OEM/ODM services and can tailor chemical formulations to meet specific industrial requirements.

What is your minimum order quantity (MOQ)?

MOQ varies by product. Please contact us directly for detailed information on specific items.

How do you ensure product quality?

We implement strict quality control protocols at every stage, from raw material inspection to final product testing, ensuring consistency and performance.

Get in Touch

For inquiries, quotes, or technical support, please visit our official website to contact Shanghai Longpu Industry Co., Ltd.

Visit Official Website

Email: [email protected]

Phone: 86-21-80181916

Address: Rm1009, Fangzheng Building, Jingang Road, Pudong, Shanghai, China

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