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Fluorescent Whitening Agent OB-1, also known as C.I.: 393 with CAS NO: 1533-45-5, is a highly effective fluorescent whitening agent. It appears as a light yellow powder and is widely used for whitening polyester fibers, various blended fabrics, plastic products, and polyester dope. This product is known for its good whitening performance, along with its resistance to heat, light, and chlorine bleaching.
Applications of Fluorescent Whitening Agent OB-1
1. Textile Industry:
- Polyester Fibers: Fluorescent Whitening Agent OB-1 is extensively used to enhance the whiteness and brightness of polyester fibers, ensuring a vibrant and clean Appearance.
- Blended Fabrics: It is also effective for various blended fabrics, providing a uniform whitening effect across different fiber types.
2. Plastic Industry:
- PVC (Polyvinyl Chloride): Fluorescent Whitening Agent OB-1 is suitable for both rigid and flexible PVC products, enhancing their visual appeal by making them appear brighter and more attractive.
- PS (Polystyrene): In polystyrene products, it significantly improve the whiteness and transparency, giving the final product a high-quality finish.
- Polyester Dope: Fluorescent Whitening Agent OB-1 can be added to polyester dope to ensure a bright and white final product right from the production stage.
Advantages of Fluorescent Whitening Agent OB-1
1. Superior Whitening Effect:
- High Efficacy: Fluorescent Whitening Agent OB-1 delivers a strong whitening effect, making materials appear significantly whiter and brighter.
- Consistency: It provides a uniform whitening effect, ensuring consistent quality across all treated materials.
2. Durability:
- Heat Resistance: This product maintains its whitening properties even under high temperatures, making it ideal for applications involving heat processing.
- Light Resistance: It is highly resistant to light, ensuring that the whitening effect lasts longer without fading.
- Chlorine Resistance: Fluorescent Whitening Agent OB-1 is resistant to chlorine bleaching, making it suitable for use in environments where chlorine exposure is common.
3. Versatility:
- Single or Combined Use: Fluorescent Whitening Agent OB-1 can be used alone or in combination with other agents, providing flexibility in achieving the desired whitening effect while managing costs.
- Various Substrates: It is effective on a wide range of substrates, including textiles and plastics, making it a versatile choice for different industries.
Features of Fluorescent Whitening Agent OB-1
1. Appearance:
- Light Yellow Powder: Fluorescent Whitening Agent OB-1 is available as a light yellow powder, which is easy to handle and incorporate into various formulations.
2. Stability:
- Thermal Stability: It maintains its effectiveness under high-temperature conditions, ensuring consistent performance during processing.
- Chemical Stability: The product remains stable and effective even when exposed to various chemicals during processing and use.
3. Efficiency:
- Low Dosage Requirement: Fluorescent Whitening Agent OB-1 requires only a small amount to achieve the desired whitening effect, making it a cost-effective solution for manufacturers.
- High Whitening Efficiency: Even at low concentrations, it provides a significant improvement in the whiteness and brightness of the treated materials.
Usage Instructions
Fluorescent Whitening Agent OB-1 can be used alone or in combination with other agents to achieve the desired whitening effect. Below are the recommended usage amounts for different materials:
1. Rigid PVC (Polyvinyl Chloride):
- Whitening: 0.01-0.06% (10-60 grams per 100kg of material)
- Transparency: 0.0001-0.001% (0.1-1 gram per 100kg of material)
2. Polystyrene (PS):
- Whitening: 0.01-0.05% (10-50 grams per 100kg of material)
- Transparency: 0.0001-0.001% (0.1-1 gram per 100kg of material)
3. PVC (Polyvinyl Chloride):
- Whitening: 10-50 grams per 100kg of material
- Transparency: 0.1-1 gram per 100kg of material
