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Premium Optical Brighteners from China

High-purity optical brightener agents equivalent to BASF, Clariant. No fillers, no reduction. Trusted by global manufacturers in paper, plastic, detergent & coating industries.

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About Taojiayue Chemical

Guangdong Taojiayue High-tech Material Technology Co., Ltd., operating as opticalwhitener.com, is a specialized manufacturer of optical brightener agents with over a decade of expertise. We focus on high-purity OBAs used across paper, plastic, detergent, and coating industries.

Our products are chemically equivalent to leading global brands such as BASF and Clariant — matching the same CAS numbers and purity levels — but offered at a more competitive price. We produce only pure powder formulations with no fillers or reductions.

We are committed to transparency, quality assurance, and fast response. All TDS/MSDS documents are available for download, and our team is available 24/7 via WhatsApp and online chat.

Taojiayue Chemical Business License

Our Feature Products

High-performance optical brighteners engineered for industrial applications. All products are pure powder, no fillers, no dilution.

Optical Brightener OB

Optical Brightener OB

= Uvitex Tinopal OB | CAS: 7128-64-5

  • • High fluorescence intensity
  • • Excellent solubility in detergents
  • • Stable under UV exposure
  • • Ideal for laundry detergents and paper
Get TDS / Request Sample
Optical Brightener OB-1

Optical Brightener OB-1

= Eastobrite OB-1 | CAS: 85-00-7

  • • High thermal stability
  • • Suitable for polyolefins and PET
  • • Excellent light fastness
  • • Used in plastic films and fibers
Get TDS / Request Sample
Optical Brightener CBS-X

Optical Brightener CBS-X

= Tinopal CBS-X | CAS: 1709-60-8

  • • High efficiency in liquid detergents
  • • Water-soluble powder
  • • Brightens whites effectively
  • • Compatible with surfactants
Get TDS / Request Sample
Optical Brightener KSN

Optical Brightener KSN

= Hostalux KSN | CAS: 1533-45-5

  • • High brightness in paper
  • • Good retention in pulp
  • • Low foaming
  • • Used in tissue and packaging paper
Get TDS / Request Sample
Optical Brightener FP-127

Optical Brightener FP-127

= Uvitex FP | CAS: 7128-84-7

  • • High solubility in water
  • • Excellent performance in detergents
  • • Stable in alkaline conditions
  • • Brightens cotton and synthetic fibers
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Optical Brightener KCB

Optical Brightener KCB

High-performance for plastics & coatings

  • • High fluorescence yield
  • • Good compatibility with resins
  • • Low migration
  • • Ideal for PVC and polystyrene
Get TDS / Request Sample
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Optical Brightener 393

High blue fluorescence for plastics

  • • Strong blue tone
  • • UV stabilizing effect
  • • Used in HDPE, LDPE, PP
  • • Excellent heat resistance
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Optical Brightener 351

For synthetic fibers and coatings

  • • High water solubility
  • • Brightens nylon and polyester
  • • Stable in wide pH range
  • • Low yellowness index
Get TDS / Request Sample

Why Choose OpticalWhitener.com?

We combine quality, transparency, and service to deliver unmatched value.

🔬

High Purity, No Fillers

We produce only pure powder optical brighteners — no reduction, no fillers. Same CAS, same performance as BASF and Clariant.

⏱️

24-Hour Response

Our team replies to all inquiries within 12–24 hours. WhatsApp and online chat are available 7×24.

📦

Free Samples

Request free samples to test quality and performance before placing bulk orders.

📊

GB Standards & Testing

We provide national test standards (GB) and can match your current OBA samples.

10+

Years in Industry

50+

Global Clients

8

Core Products

24/7

Customer Support

Frequently Asked Questions

What are optical brighteners used for?

Optical brighteners (OBAs), also known as fluorescent whitening agents (FWAs), are used to mask yellowing in materials like paper, plastic, detergent, and textiles by absorbing UV light and emitting blue fluorescence.

Are your products equivalent to BASF or Clariant?

Yes. Our optical brighteners match the same CAS numbers, chemical structure, and purity levels as BASF, Clariant, and other global brands — but at a more economic price.

Do you offer free samples?

Yes, we provide free samples upon request. Simply visit our website and request a sample for evaluation.

How can I verify your company’s legitimacy?

We provide full company registration details (ID: 91440115MA59BHKN6A) and encourage verification via China’s official business registry at gsxt.gov.cn.

Do you accept agency partnerships?

Yes, we welcome local agents worldwide to help expand our market presence. Contact us at [email protected] to discuss opportunities.

Get in Touch

Need a quote, sample, or technical support? Our team is ready to assist you 24/7.

Email

[email protected]

WhatsApp

+86 134 1688 4483

Phone / Skype

+86-020-39009191

Address

Room 1721, No.1 Huayao Street, Huangge Town, Nansha District, Guangzhou, China

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