Are you curious about how optical brighteners can transform your products? In today’s competitive market, choosing the right factory in China can make all the difference. With so many options available, understanding the top manufacturers is crucial for ensuring quality and reliability. Imagine the peace of mind that comes with knowing you’ve partnered with the best in the industry, leading to enhanced product performance and customer satisfaction. Ready to discover which factories stand out from the rest? Join us as we dive into a comprehensive comparison of the leading optical brightener manufacturers in China!

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 – 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 and economical for plastics

Cons:
– Poorly soluble in water
– Requires thorough mixing for best effect

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 products.

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 – 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, Purity: 99.80%

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.
– Widely applicable in various materials.

Cons:
– Poorly soluble in water.
– Requires careful handling to avoid skin and eye contact.

Optical Brightener OB-1 for PVC – Shanghai Deborn Co., Ltd.

Product Details: Optical Brightener OB-1 for PVC

Technical Parameters:
– Chemical name: 2,2′-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
– Molecular formula: C28H18N2O2, Molecular weight: 414.4, CAS NO.: 1533-45-5
– Appearance: Yellowish green powder, Assay: 98% min, Melting Point: 357~361°C, Vo…

Application Scenarios:
– Whitening of polyester fiber (PSF), nylon fiber, and chemical fiber
– Whitening of PP, PVC, ABS, PA, PS, PC, PBT, PET plastics

Pros:
– Excellent whitening effect
– Suitable for concentrated masterbatch addition

Cons:
– Limited to specific polymers
– Requires careful dosage management

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

Fluorescent Brightener OB for PE HDPE Whitening

Product Details: Fluorescent Brightener OB for PE HDPE Whitening, Optical Brightener OB, fluorescent whitening agent 184, CAS No. 7128-64-5, used as a plastic additive to solve the problems of PE and HDPE yellowing.

Technical Parameters:
– Appearance: Light yellow powder
– Purity: ≥99%

Application Scenarios:
– PE and HDPE whitening
– Recycled plastics whitening

Pros:
– Non-toxic and tasteless
– Good compatibility with organic solvents

Cons:
– Requires careful measurement for effective use
– May not be suitable for all plastic types

China Optical Brightener OB-1 factory and suppliers | Subang

Product Details: Optical Brightener OB-1 is suitable for whitening fibers such as polyester, nylon, and polypropylene, as well as various plastics.

Technical Parameters:
– Appearance: Bright yellowish green crystal powder
– Molecular formula: C28H18N2O2

Application Scenarios:
– Whitening of fibers such as polyester, nylon, and polypropylene
– Whitening and brightening of polypropylene plastic, ABS, EVA, polystyrene, and p…

Pros:
– Strong fluorescence and effective whitening properties
– Suitable for a wide range of materials including plastics and fibers

Cons:
– Odorless and hard to dissolve in water
– Requires careful measurement for effective use

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
– Wavelength: 374nm

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

Pros:
– Excellent whitening performance.
– High purity and effective in UV light absorption.

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

China Optical Brightener OB CI184 – Shanghai Deborn Co., Ltd.

Product Details: Optical Brightener OB CI184 is used in thermoplastic plastics such as PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin, and polyester fiber paint.

Technical Parameters:
– Chemical name: 2.5-bis(5-tertbutyl-2-benzoxazolyl)thiophene
– Molecular formula: C26H26SO2N2
– Molecular weight: 430.575
– CAS NO.: 7128-64-5
– Appearance: Light green powder
– Assay: 99% min
– Melting Point: 196 -203°C
– Volatiles Content: 0.5% max
– Ash content: 0.2% max

Application Scenarios:
– PVC Whitening: 0.01 ~ 0.05%
– To improve brightness in PVC: 0.0001 ~ 0.001%
– Usage in PS: 0.0001 ~ 0.001%
– Usage in ABS: 0.01 ~ 0.05%
– Polyolefin colorless matrix: 0.0005 ~ 0.001%
– White Matrix: 0.005 ~ 0.05%

Pros:
– High assay of 99% min ensures effective brightening.
– Versatile application in various thermoplastic materials.

Cons:
– Limited information on long-term stability.
– Specific usage percentages may require precise measurement.

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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 – 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 and economical for plastics	– Poorly soluble in water – Requires thorough mixing for best effect	obachemical.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 – Shandong Grand Chemical Co., Ltd.	Optical Brightener OB – Shandong Grand Chemical Co., Ltd.	– Excellent heat resistance and light stability. – Widely applicable in various materials.	– Poorly soluble in water. – Requires careful handling to avoid skin and eye contact.	obachemical.com
Optical Brightener OB-1 for PVC – Shanghai Deborn Co., Ltd.	Optical Brightener OB-1 for PVC	– Excellent whitening effect – Suitable for concentrated masterbatch addition	– Limited to specific polymers – Requires careful dosage management	www.debornchem.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
Fluorescent Brightener OB for PE HDPE Whitening	Fluorescent Brightener OB for PE HDPE Whitening, Optical Brightener OB, fluorescent whitening agent 184, CAS No. 7128-64-5, used as a plastic additive…	– Non-toxic and tasteless – Good compatibility with organic solvents	– Requires careful measurement for effective use – May not be suitable for all plastic types	www.jnogilvychem.com
China Optical Brightener OB-1 factory and suppliers	Subang	Optical Brightener OB-1 is suitable for whitening fibers such as polyester, nylon, and polypropylene, as well as various plastics.	– Strong fluorescence and effective whitening properties – Suitable for a wide range of materials including plastics and fibers	– Odorless and hard to dissolve in water – Requires careful measurement for effective use
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 whitening performance. – High purity and effective in UV light absorption.	– Easily separated from PE film. – Performance affected by environmental factors like sunlight and humidity.	www.raytopoba.com
China Optical Brightener OB CI184 – Shanghai Deborn Co., Ltd.	Optical Brightener OB CI184 is used in thermoplastic plastics such as PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin, and polyester fiber…	– High assay of 99% min ensures effective brightening. – Versatile application in various thermoplastic materials.	– Limited information on long-term stability. – Specific usage percentages may require precise measurement.	www.debornchem.com

Frequently Asked Questions (FAQs)

What are optical brighteners and how do they work?

Optical brighteners are chemical compounds that enhance the brightness of materials by absorbing ultraviolet light and re-emitting it as visible blue light. This process makes fabrics and papers appear whiter and brighter, improving their overall appearance.

Why are optical brighteners used in manufacturing?

Manufacturers use optical brighteners to improve the visual appeal of products, especially textiles and paper. They help to mask yellowing and enhance the whiteness of materials, making them more attractive to consumers.

Are optical brighteners safe for use?

Yes, optical brighteners are generally considered safe when used according to regulations. However, it’s essential to ensure that the products meet safety standards and are suitable for the intended application, especially in textiles that come into contact with skin.

How can I choose a reliable optical brightener factory in China?

To choose a reliable factory, look for certifications, customer reviews, and industry experience. It’s also helpful to request samples and communicate directly with the manufacturer to assess their quality and service.

What is the typical lead time for orders from optical brightener factories in China?

Lead times can vary, but typically, you can expect around 2 to 4 weeks for production, depending on the order size and complexity. It’s best to discuss timelines with the factory during the ordering process to ensure clarity.