English
中文简体
Español
Fluorescent Whitening Agent KSB, also known as C.I.: 367, CAS NO: 5089-22-5, is an advanced fluorescent whitening agent renowned for its good whitening effect. It boasts good heat resistance, weather resistance, and chemical stability. Fluorescent Whitening Agent KSB is primarily used to whiten plastics and synthetic fibers and can significantly enhance the brightness of colored plastic products.
Product Applications
1. Plastics Industry:
- Polyethylene (PE): Enhances the whiteness of PE materials, making them brighter and more appealing.
- Polypropylene (PP): Provides good whitening effects in PP materials.
- Polystyrene (PS): Improves the brightness of PS products.
- Polyvinyl Chloride (PVC): Effectively whitens both rigid and flexible PVC products.
- Acrylonitrile Butadiene Styrene (ABS): Offers significant whitening benefits for ABS materials.
- Ethylene-Vinyl Acetate (EVA): Enhances the whiteness of EVA resins.
2. Coatings and Varnishes:
- Paints and Coatings: Provides noticeable whitening effects in various paints and coatings.
- Natural Varnishes: Enhances the brightness of natural varnishes, making them more visually appealing.
3. Food Packaging:
- Food Packaging Materials: Approved for use in food packaging, ensuring materials are bright and attractive.
Product Advantages
1. Good Whitening:
- High Efficiency: Delivers exceptional whitening effects even at low concentrations.
- Broad Application Range: Effective in a variety of materials, including plastics and coatings.
2. Durability:
- Heat Resistance: Maintains its whitening properties under high-temperature conditions.
- Weather Resistance: Offers good performance in outdoor applications.
- Chemical Stability: Compatible with various additives without adverse reactions.
3. Safety:
- Low Toxicity: Safe for use in food packaging materials as per regulatory standards.
- Environmental Friendliness: Minimal environmental impact due to low toxicity.
Product Features
1. Physical Properties:
- Appearance: Light yellow-green crystalline powder, easy to handle and mix with other materials.
- Compatibility: Works well with various polymers and additives, ensuring uniform distribution and no migration.
2. Application Flexibility:
- Multiple Methods: This can be applied using dry, wet, or masterbatch methods depending on the specific requirements.
- Customizable Concentrations: Can be adjusted to meet specific whitening needs for different materials.
Usage Instructions
1. Dry Method:
- Add a certain amount of Fluorescent Whitening Agent KSB directly to the plastic substrate before molding.
- Mix thoroughly with the substrate, then extrude and melt in a screw to form pellets or shaped products.
2. Wet Method:
- Mix Fluorescent Whitening Agent KSB with an adhesive or plasticizer to form a uniform slurry.
- Extrude and mold the slurry with the plastic in batches.
3. Masterbatch Method:
- Pre-mix Fluorescent Whitening Agent KSB with the plastic substrate or resin at a ratio of 1:10-100.
- The mixture can be used directly or extruded to form masterbatches.
4. Reference Dosage:
- General usage for plastics or resins: 0.01-0.03%, i.e., 10-30 grams per 100 kilograms of plastic raw materials.
- For specific materials:
- PE: 10-25 grams per 100 kilograms
- PP: 10-25 grams per 100 kilograms
- PS: 10-20 grams per 100 kilograms
- PVC: 10-30 grams per 100 kilograms
- ABS: 10-30 grams per 100 kilograms
- EVA: 10-30 grams per 100 kilograms
- For transparent plastic films: 1-10 grams per 100 kilograms
By following these instructions, users can achieve good whitening effects while managing costs effectively. The versatility and effectiveness of Fluorescent Whitening Agent KSB make it a good choice for industries requiring high-quality whitening solutions.
