Are you curious about how to make your plastic products stand out with vibrant colors? In the competitive world of plastics manufacturing, choosing the right optical brightener can make all the difference. With numerous factories in China offering a variety of options, it’s essential to compare the top players to ensure quality and performance. Knowing the best optical brighteners not only enhances your products but also boosts your brand’s reputation. Ready to discover which factories lead the way in innovation and quality? Let’s dive in and explore the top optical brighteners that can elevate your production!

China Optical Brightener OB Manufacturer and Supplier – BGT

Product Details: Optical Brightener OB is used to reduce yellowing, improve whiteness, and enhance brightness in various materials, especially in plastics.

Technical Parameters:
– C.I.: 393, CAS No.: 1533-45-5, Appearance: Bright yellowish green crystal powder…
– C.I.: 184, CAS No.: 7128-64-5, Appearance: Light yellowish or milk white powder,…
– C.I.: 378, CAS No.: 40470-68-6, Appearance: Light yellow crystal powder, Purity:…

Application Scenarios:
– Used in polyester-cotton blend fabric and various plastic products like PET, PP,…
– Good whitening agent for PVC, PS, PE, PP, ABS, thermoplastic plastics, acetate f…

Pros:
– Excellent brightening ability and good thermal stability.
– Compatible with many polymers.

Cons:
– Easy migration in PE and low temperature plastic.
– Potential for unexpected results or patent disputes.

Optical Brightener OB-1 For RPET Supplier and Manufacturer

Product Details: Optical Brightener OB-1 for RPET, an oxazole fluorescent whitening agent powder for recycled plastic, improves the whiteness and brightness of RPET fiber.

Technical Parameters:
– CAS No.: 1533-45-5
– Purity: ≥98.5%
– Melting point: 358-363℃

Application Scenarios:
– Used in the whitening of PVC, PS, ABS, PE, PP, and other plastics.
– Widely used for recycled polymer whitening and recycled PET polyester staple fib…

Pros:
– Superior fluorescent whitening effect.
– Good thermal stability and cost-effective.

Cons:
– Limited dosage may require careful handling.
– Performance may vary based on application conditions.

China Optical Brightener CBS-127 Manufacturer and Supplier

Product Details: Optical Brightener CBS-127 is a light yellow crystal powder with excellent whitening effects for various plastic products, particularly PVC and polypropylene.

Technical Parameters:
– C.I.: 378
– CAS No.: 40470-68-6
– Appearance: Light yellow crystal powder
– Purity: ≥99.0% min.
– Melting Point: 190-200℃
– Packing: 25kg fiber drums with PE liner.

Application Scenarios:
– Used in PVC, polypropylene, and transparent high-grade plastic products.
– Enhances the brightness of recycled polymers.

Pros:
– Excellent whitening effect.
– Good thermal stability and compatibility with many polymers.

Cons:
– Migration issues in PE and low-temperature plastics.
– May require higher concentrations in recycled materials.

Optical Brightener OB-1 china manufacturer – Raytop Chemical

Product Details: Optical Brightener OB-1, a yellow green powder with 98.5% purity, used for enhancing brightness in various materials.

Technical Parameters:
– Molecular formula: C28H18N2O2
– CAS: 1533-45-5

Application Scenarios:
– Used in plastics to enhance brightness.
– Applicable in textiles and paper industries.

Pros:
– High quality and low price compared to other fluorescent whitening agents.
– Stable performance due to decades of technology.

Cons:
– Limited to production in China.
– Dependence on raw material availability.

Optical Brightener OB-1 | Plastics and Rubber Product

Product Details: Optical Brightener OB-1 is a chemical additive used in plastics and rubber products to enhance brightness and whiteness.

Technical Parameters:
– High fluorescence
– Stable under heat and light

Application Scenarios:
– Used in plastic manufacturing
– Applied in rubber products

Pros:
– Improves product appearance
– Enhances brightness and whiteness

Cons:
– May require specific processing conditions
– Potential compatibility issues with some materials

Optical brightener OB – Shandong Grand Chemical Co., Ltd.

Product Details: Optical Brightener OB – Shandong Grand Chemical Co., Ltd.

Technical Parameters:
– Chemical Name: 2,5′-Bis[2-(5-tert-butyl-2 benzoxazole)thiophene] – CAS: 7128-64-5, Molecular Formula: C26H26N2O2S, Formula Weight: 430

Application Scenarios:
– Whitening of PVC, PS, ABS, PP, PE, oil-based paints and coatings.
– Used in thermoplastic plastics and cellulose acetate fiber.

Pros:
– Excellent heat resistance and light stability.
– High purity (99.80%) and effective in enhancing color brightness.

Cons:
– Poorly soluble in water.
– Requires careful handling to avoid moisture and damage.

China Whitening agent optical brightener for plastics …

Product Details: Optical Brightening Agents and Pigments from Jinan Ogilvy Chemical Co., Ltd.

Technical Parameters:
– Excellent weather resistance
– High stability

Application Scenarios:
– Used in plastics such as PVC, PP, ABS, PE, PS, EVA, and PMMA
– Widely used in textile, coating, paint, ink, and detergent industries

Pros:
– Stable high-quality products
– Competitive pricing and excellent service

Cons:
– Limited information on specific product performance
– Potential variability in product availability

PE film Optical Brightener OB-1 393 china – Raytop Chemical

Product Details: Optical Brightener OB-1, a yellow green powder with a purity of 98.5%, used for PE film.

Technical Parameters:
– Molecular formula: C28H18N2O2
– CAS: 1533-45-5
– Finess: 400-800 mesh
– Shelf Life: 2 years
– Recommended Dosage: 200-500g per 1000kg material

Application Scenarios:
– Used in PE film for whitening effects.
– Applicable in various plastic products.

Pros:
– Excellent performance in optical brightening.
– High purity level ensures effective results.

Cons:
– Easily separated from PE film, losing effectiveness.
– Performance affected by environmental factors like sunlight and humidity.

Optical Brightener For Whitening Polypropylene Plastics

Product Details: Optical Brightener (OB-1) for whitening polypropylene plastics, heat resistant and chemically stable fluorescent whitener that increases whiteness and provides brighter looking colors.

Technical Parameters:
– Model No.: OB-1, PF-127
– Purity: 99.8%
– CAS No.: 1533-45-5
– Appearance: Yellowish Powder
– Molecular Weight: 414.4
– Melting Range: 357 – 360°C
– Decomposition Temperature: >400°C
– Packaging: 25kg/hardboard drum

Application Scenarios:
– Coating Auxiliary Agents
– Plastic Auxiliary Agents
– Rubber Auxiliary Agents
– Textile Auxiliary Agents

Pros:
– Brilliant, bluish white effects that compensates for yellowing.
– Good light fastness and low volatility.
– Exceptional whitening properties.
– Highly compatible with a wide range of organic substrates and solvents.

Cons:
– Addition amount must be controlled to avoid uneven distribution.
– Extended storage at elevated temperatures could reduce product life.

Optical brightener OB-1 – Shandong Grand Chemical Co., Ltd.

Product Details: Optical Brightener OB-1 – Shandong Grand Chemical Co., Ltd.

Technical Parameters:
– Chemical Name: 2,2′- (4,4′-distyryl) bisbenzoxazole
– CAS: 1533-45-5, Molecular Formula: C28H18N2O2, Formula Weight: 414.45

Application Scenarios:
– Widely used for brightening polyester resin and fiber
– Can be used for whitening nylon, PP, ABS, PS, HIPS, PA, PC, EVA, rigid PVC

Pros:
– Excellent thermal stability and high-temperature resistance of 375-400 ℃
– Very low toxicity, suitable for food packaging applications

Cons:
– Poorly soluble in water
– Requires careful dosage adjustment when used with UV absorb additives

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Comparison Table

Company	Product Details	Pros	Cons	Website
China Optical Brightener OB Manufacturer and Supplier – BGT	Optical Brightener OB is used to reduce yellowing, improve whiteness, and enhance brightness in various materials, especially in plastics.	– Excellent brightening ability and good thermal stability. – Compatible with many polymers.	– Easy migration in PE and low temperature plastic. – Potential for unexpected results or patent disputes.	www.bgtcn.com
Optical Brightener OB-1 For RPET Supplier and Manufacturer	Optical Brightener OB-1 for RPET, an oxazole fluorescent whitening agent powder for recycled plastic, improves the whiteness and brightness of RPET fi…	– Superior fluorescent whitening effect. – Good thermal stability and cost-effective.	– Limited dosage may require careful handling. – Performance may vary based on application conditions.	www.jnogilvychem.com
China Optical Brightener CBS-127 Manufacturer and Supplier	Optical Brightener CBS-127 is a light yellow crystal powder with excellent whitening effects for various plastic products, particularly PVC and polypr…	– Excellent whitening effect. – Good thermal stability and compatibility with many polymers.	– Migration issues in PE and low-temperature plastics. – May require higher concentrations in recycled materials.	www.bgtcn.com
Optical Brightener OB-1 china manufacturer – Raytop Chemical	Optical Brightener OB-1, a yellow green powder with 98.5% purity, used for enhancing brightness in various materials.	– High quality and low price compared to other fluorescent whitening agents. – Stable performance due to decades of technology.	– Limited to production in China. – Dependence on raw material availability.	www.raytopoba.com
Optical Brightener OB-1	Plastics and Rubber Product	Optical Brightener OB-1 is a chemical additive used in plastics and rubber products to enhance brightness and whiteness.	– Improves product appearance – Enhances brightness and whiteness	– May require specific processing conditions – Potential compatibility issues with some materials
Optical brightener OB – Shandong Grand Chemical Co., Ltd.	Optical Brightener OB – Shandong Grand Chemical Co., Ltd.	– Excellent heat resistance and light stability. – High purity (99.80%) and effective in enhancing color brightness.	– Poorly soluble in water. – Requires careful handling to avoid moisture and damage.	obachemical.com
China Whitening agent optical brightener for plastics …	Optical Brightening Agents and Pigments from Jinan Ogilvy Chemical Co., Ltd.	– Stable high-quality products – Competitive pricing and excellent service	– Limited information on specific product performance – Potential variability in product availability	www.jnogilvychem.com
PE film Optical Brightener OB-1 393 china – Raytop Chemical	Optical Brightener OB-1, a yellow green powder with a purity of 98.5%, used for PE film.	– Excellent performance in optical brightening. – High purity level ensures effective results.	– Easily separated from PE film, losing effectiveness. – Performance affected by environmental factors like sunlight and humidity.	www.raytopoba.com
Optical Brightener For Whitening Polypropylene Plastics	Optical Brightener (OB-1) for whitening polypropylene plastics, heat resistant and chemically stable fluorescent whitener that increases whiteness and…	– Brilliant, bluish white effects that compensates for yellowing. – Good light fastness and low volatility. – Exceptional whitening properties. – High…	– Addition amount must be controlled to avoid uneven distribution. – Extended storage at elevated temperatures could reduce product life.	www.jinhetec.com
Optical brightener OB-1 – Shandong Grand Chemical Co., Ltd.	Optical Brightener OB-1 – Shandong Grand Chemical Co., Ltd.	– Excellent thermal stability and high-temperature resistance of 375-400 ℃ – Very low toxicity, suitable for food packaging applications	– Poorly soluble in water – Requires careful dosage adjustment when used with UV absorb additives	obachemical.com

Frequently Asked Questions (FAQs)

What are optical brighteners and how do they work in plastics?

Optical brighteners are chemical compounds that absorb ultraviolet light and emit visible blue light, making materials appear brighter and whiter. In plastics, they enhance the aesthetic appeal by improving brightness and color vibrancy, which is especially important for consumer products.

Are optical brighteners safe for use in plastics?

Yes, optical brighteners used in plastics are generally considered safe when used according to industry standards. They are extensively tested for safety and compliance with regulations, ensuring they do not pose health risks to consumers.

How do I choose the right optical brightener for my application?

Choosing the right optical brightener depends on factors like the type of plastic, desired brightness level, and processing conditions. It’s best to consult with suppliers or manufacturers who can provide guidance based on your specific needs.

Can optical brighteners affect the recyclability of plastics?

Optical brighteners can potentially affect the recyclability of plastics, as they may alter the properties of the recycled material. However, many manufacturers are developing formulations that maintain recyclability while still providing the desired brightness.

What are the environmental impacts of using optical brighteners in plastics?

The environmental impact of optical brighteners largely depends on their chemical composition and disposal methods. Many modern brighteners are designed to be more environmentally friendly, but it’s important to follow proper disposal and recycling practices to minimize any negative effects.