Optical Brightener Solutions for Plastics
① Why Optical Brighteners?
Optical brighteners are widely used in plastic materials to enhance whiteness, improve visual appearance and reduce unwanted yellowish tones. Different polymers and processing conditions require different optical brightener grades to achieve the desired performance. Selecting an appropriate grade helps manufacturers obtain cleaner, brighter and more consistent finished products while meeting the requirements of various plastic applications. Final product selection should always be verified according to the specific resin, processing conditions and performance requirements.
② Applications
Suitable for a wide range of plastic materials and finished products.
PE
PP
Soft PVC
Rigid PVC
PS
ABS
EVA
TPE / TPU
PU
PMMA
PA
PBT
PET
PC
③ Benefits
✔ Improve Whiteness
✔ Reduce Yellowish Appearance
✔ Cleaner Visual Appearance
✔ Suitable for Various Polymer Systems
✔ Grades for Different Processing Conditions
✔ Consistent Brightening Performance
④ Recommended Products
| Product | C.I. No. | Suitable Materials | Learn More |
| OB | C.I. 184 | PP, PE, PVC, ABS, TPE/TPU, PU, PMMA, Paints & Inks | → |
| OB-1 | C.I. 393 | PE, PVC, PS, ABS, EVA, PA, PET, PBT, PC | → |
| FP-127 | C.I. 378 | PVC, PS, PU, PMMA | → |
| KCB | C.I. 367 | EVA, PE, PP, PVC, PS, ABS, PMMA, TPE/TPU, PU | → |
| KSN | C.I. 368 | ABS, PVC, EVA, TPE/TPU, PA, PBT, PET | → |
| KSB | C.I. 369 | PP, PE | → |
⑤ FAQ
Which optical brightener is suitable for PVC?
Several grades are recommended for PVC applications in the factory handbook. The appropriate grade depends on the PVC type, formulation and processing conditions.
What is the difference between OB and OB-1?
OB and OB-1 are designed for different application ranges and processing requirements. Please refer to the individual product pages or contact our technical team for selection guidance.
Which optical brightener is recommended for engineering plastics?
The factory handbook recommends several grades for engineering plastics, including PA, PBT and PC applications. Final grade selection should be verified through laboratory testing.
Can one optical brightener be used for different polymers?
Yes. Some grades are suitable for multiple polymer systems, while others are developed for more specific materials. Product selection should always match the target resin and application.
How do I choose the right optical brightener?
Please provide your polymer type, processing method and target performance. Our technical team will recommend suitable product grades based on your application and testing requirements.
⑥ Need Help Choosing?
Every plastic formulation is unique. If you are unsure which optical brightener best fits your application, simply share your polymer type, processing method and performance goals with our technical team. We will recommend suitable product grades for laboratory evaluation and application testing based on your specific requirements.
Optical Brightener Solutions for Textiles
① Why Optical Brighteners?
Optical brighteners are widely used in textile processing to improve fabric whiteness, enhance visual appearance and achieve cleaner, brighter shades. Different fibers and processing methods require different optical brightener grades to achieve the desired performance. Selecting an appropriate grade helps manufacturers obtain brighter, more uniform fabrics while meeting the requirements of various textile applications. Final product selection should always be verified according to the fiber type, processing method and performance requirements.
② Applications
Suitable for a wide range of textile fibers and fabric processing applications.
Cotton
Cotton Blends
Viscose
Linen
Vinylon
Nylon
Acrylic Fibers
Diacetate Fibers
Cellulose Fibers
Knitted Fabrics
T/C Blended Fabrics
Dyeing & Finishing
③ Benefits
Improve Fabric Whiteness
Cleaner & Brighter Shade
Suitable for Various Fiber Types
Grades for Different Textile Processes
Consistent Whitening Performance
Broad Textile Applications
④ Recommended Products
| Product | C.I. No. | Suitable Applications | Learn More |
| EBF-L | C.I. 185 | All kinds of man-made fibers | → |
| DT | C.I. 135 | Synthetic fibers, cotton & wool blended fabrics | → |
| BAC-L | C.I. 363 | Acrylic fibers & diacetate fibers | → |
| CL | C.I. 191 | Whitening agent for paper pulp & paper coating | → |
| NFW-L | C.I. 351 | Dip dyeing & exhaust dyeing | → |
| MST | C.I. 264 | Resin processing & exhaust dyeing | → |
| 4BK | C.I. 87 | Cotton & polyester blended fabrics | → |
| CXT | C.I. 71 | Knitted cotton & T/C blended fabrics | → |
| DMS | C.I. 71 | Cellulose fibers, regenerated fibers & synthetic fibers | → |
| BA | C.I. 113 | Cotton, linen, cellulose fibers & paper pulp | → |
| VBL | C.I. 85 | Cotton, viscose, cotton products, vinylon & nylon | → |
| BBU | C.I. 220 | Exhaust dyeing, padding, surface sizing & paper pulp | → |
| CF | C.I. 134 | Cotton & nylon dyeing | → |
| ER Liquid 330 | C.I. 199 | Polyester staple fiber, polyester filament, polyester wool & nylon | → |
⑤ FAQ
Which optical brightener is suitable for cotton fabrics?
Several product grades are available for cotton applications, including VBL, BBU and CF. The appropriate grade depends on the processing method, fiber type and end-use requirements.
Which product is recommended for knitted cotton and T/C blended fabrics?
CXT is specifically developed for knitted cotton and T/C blended fabric applications. Final product selection should be confirmed through laboratory evaluation.
Can one optical brightener be used for different fiber types?
Yes. Some grades are suitable for multiple textile fibers, while others are developed for more specific fiber systems. Product selection should always match the fiber type and application process.
Which optical brightener is suitable for polyester and polyester-blended fabrics?
ER Liquid 330 is recommended for polyester staple fiber, polyester filament, polyester wool and nylon applications. DT and 4BK are also suitable for polyester-blended fabrics. Final product selection should be confirmed according to the fiber type, processing method and laboratory evaluation.
How do I choose the right optical brightener?
Please provide your fiber type, processing method and target appearance. Our technical team will recommend suitable product grades based on your application and evaluation requirements.
⑥ Need Help Choosing?
Every textile application has unique processing requirements. If you are unsure which optical brightener best fits your fiber type or finishing process, simply share your material, application method and performance goals with our technical team. We will recommend suitable product grades for laboratory evaluation and application development based on your specific requirements.
Optical Brightener Solutions for Papermaking
① Why Optical Brighteners?
Optical brighteners are widely used in papermaking to improve paper brightness, enhance visual appearance and produce cleaner, whiter paper products. Different paper grades, production processes and application methods require different optical brightener grades to achieve the desired performance. Selecting an appropriate grade helps manufacturers obtain consistent brightness while meeting the requirements of various paper and paperboard applications. Final product selection should always be verified according to the paper grade, application method and performance requirements.
② Applications
Suitable for a wide range of paper grades and papermaking processes.
Printing Paper
Writing Paper
Copy Paper
Coated Paper
Packaging Paper
White Paperboard
Tissue Paper
Internal Addition
Surface Sizing
Paper Coating
③ Benefits
Improve Paper Brightness
Brighter & Purer White Shade
Suitable for Various Paper Grades
Grades for Different Papermaking Processes
Consistent Brightening Performance
Broad Application Range for Paper Products
④ Recommended Products
| Product | C.I. No. | Suitable Applications | Learn More |
| PC-2 | C.I. 113 | Internal Addition | → |
| PC-4 | C.I. 220 | Surface Sizing | → |
| PC-6 | C.I. 357 | Paper Coating | → |
⑤ FAQ
Which optical brightener is suitable for internal addition?
PC-2 is designed for internal addition applications. Final product selection should be verified according to the paper grade and production process.
Which product is recommended for surface sizing?
PC-4 is suitable for surface sizing applications. Laboratory evaluation is recommended before commercial production.
Which optical brightener is suitable for paper coating?
PC-6 is developed for paper coating applications. Product selection should be confirmed according to coating formulation and performance requirements.
Can one optical brightener be used for different paper grades?
Some grades are suitable for multiple paper grades, while others are developed for specific application methods. Product selection should always match the production process and end-use requirements.
How do I choose the right optical brightener?
Please provide your paper grade, application method and performance requirements. Our technical team will recommend suitable product grades based on your production process and evaluation requirements.
⑥ Need Help Choosing?
Every papermaking process has unique production requirements. If you are unsure which optical brightener best fits your application, simply share your paper grade, application method and performance goals with our technical team. We will recommend suitable product grades for laboratory evaluation and application development based on your specific requirements.
Optical Brightener Solutions for Paints, Coatings & Printing Inks
① Why Optical Brighteners?
Optical brighteners are widely used in paints, coatings and printing inks to improve brightness, enhance visual appearance and produce cleaner, whiter finishes. Different coating systems, resin types and application methods require different optical brightener grades to achieve the desired performance. Selecting an appropriate grade helps manufacturers obtain brighter and more consistent finished products while meeting the requirements of various coating and ink applications. Final product selection should always be verified according to the coating system, formulation and performance requirements.
② Applications
Suitable for a wide range of coating and printing ink applications.
Water-based Coatings
Solvent-based Coatings
Industrial Coatings
Decorative Coatings
Printing Inks
Road Marking Paints
Hot Melt Adhesives
③ Benefits
Improve Brightness
Cleaner & Brighter Appearance
Suitable for Various Coating Systems
Grades for Different Applications
Consistent Brightening Performance
Broad Coatings & Printing Ink Application Coverage
④ Recommended Products
| Product | C.I. No. | Suitable Applications | Learn More |
| OEF | C.I. 184 | Solvent-based Paints, Coatings & Printing Inks | → |
| OBR | Compound Mixture | Road Marking Paints & Hot Melt Adhesives | → |
| ST-I | C.I. 140 | Water-based Paints & Coatings | → |
| ST-II | C.I. 181 | Water-based Paints & Coatings | → |
⑤ FAQ
Which optical brightener is suitable for water-based coatings?
ST-I and ST-II are suitable for water-based paint and coating applications. Final product selection should be verified according to the formulation and performance requirements.
Which product is recommended for solvent-based coatings and printing inks?
OEF is recommended for solvent-based paints, coatings and printing ink applications. Laboratory evaluation is recommended before commercial production.
Which optical brightener is suitable for road marking paints?
OBR is suitable for road marking paints and hot melt adhesive applications. Product selection should be confirmed according to the application requirements.
Can one optical brightener be used in different coating systems?
Some grades are suitable for multiple coating systems, while others are developed for specific formulations. Product selection should always match the coating system and end-use requirements.
How do I choose the right optical brightener?
Please provide your coating system, formulation and performance requirements. Our technical team will recommend suitable product grades based on your application and evaluation requirements.
⑥ Need Help Choosing?
Every coating formulation has unique performance requirements. If you are unsure which optical brightener best fits your application, simply share your coating system, formulation and performance goals with our technical team. We will recommend suitable product grades for laboratory evaluation and application development based on your specific requirements.
Optical Brightener Solutions for Detergents
① Why Optical Brighteners?
Optical brighteners are widely used in detergent formulations to improve fabric whiteness, reduce yellowish appearance and maintain a cleaner, brighter look after repeated washing. Different detergent formulations and production processes require different optical brightener grades to achieve the desired performance. Selecting an appropriate grade helps manufacturers develop detergent products with consistent whitening performance while meeting the requirements of various powder, liquid and soap formulations. Final product selection should always be verified according to the formulation, manufacturing process and performance requirements.
② Applications
Suitable for a wide range of detergent and cleaning product formulations.
Laundry Powder
Liquid Detergent
Synthetic Detergent
Laundry Cream
Toilet Soap
Soap
③ Benefits
Improve Fabric Whiteness
Reduce Yellowish Appearance
Suitable for Powder & Liquid Formulations
Grades for Different Detergent Systems
Consistent Whitening Performance
Broad Detergent Application Coverage
④ Recommended Products
| Product | C.I.No. | Suitable Applications | Learn More |
| CBS-X | C.I.351 | Laundry Powder, Liquid Detergent, Synthetic Detergent, Laundry Cream & Soap | → |
| AMS | C.I. 71 | Synthetic Detergent, Toilet Soap & Soap | → |
⑤ FAQ
Which optical brightener is suitable for laundry powder?
CBS-X is widely used in laundry powder formulations and is also suitable for other detergent applications. Final product selection should be confirmed according to the formulation and performance requirements.
Is a low-dust granular grade available?
Yes. We offer a low-dust granular grade of CBS-X for detergent applications. The granular form helps reduce dust during handling and improves production convenience. Please contact us for product selection and technical recommendations.
What is the difference between CBS-X and AMS?
CBS-X is recommended for a wider range of detergent formulations, while AMS is primarily used in synthetic detergents and soap applications. Product selection should be based on the specific formulation and end-use requirements.
Can one optical brightener be used in different detergent formulations?
Some grades are suitable for multiple detergent systems, while others are developed for more specific applications. Product selection should always match the formulation and manufacturing process.
How do I choose the right optical brightener?
Please provide your detergent type, formulation and performance requirements. Our technical team will recommend suitable product grades based on your application and evaluation requirements.
⑥ Need Help Choosing?
Every detergent formulation has unique performance requirements. If you are unsure which optical brightener best fits your application, simply share your formulation, manufacturing process and performance goals with our technical team. We will recommend suitable product grades for laboratory evaluation and application development based on your specific requirements.