Fluorescent Whitening Agent FR-301

Fluorescent Whitening Agent FR-301 is a highly effective optical brightening agent specially designed for polyester and its blends, such as polyester-cotton and polyester-linen fabrics. It is a versatile product that works efficiently across a wide range of dyeing processes, including low, medium, and high-temperature applications. With its violet shade and economic formulation, Fluorescent Whitening Agent FR-301 enhances the whiteness of textiles, delivering a bright, clean, and appealing finish.

Key Features
1. Economic Product: Fluorescent Whitening Agent FR-301 is cost-effective, providing excellent brightening results with minimal usage, making it a practical option for large-scale textile production.

2. Violet Shade: The brightener imparts a distinctive violet shade, leaning slightly toward red. This characteristic enhances the overall brightness of fabrics, giving them a vibrant, clean appearance.

3. Low-Temperature Efficacy: Designed to be effective at low, medium, and high temperatures, Fluorescent Whitening Agent FR-301 is suitable for a variety of dyeing processes, ensuring flexibility and consistent performance across different textile manufacturing environments.

Benefits
1. Excellent Fastness and Stability: Fluorescent Whitening Agent FR-301 offers outstanding fastness to light and heat, ensuring that fabrics treated with this brightener retain their brightness and whiteness even after exposure to high temperatures. This stability makes it particularly suitable for fabrics that undergo intense processing conditions.

2. Resistance to Chemicals: The product exhibits superior resistance to acids, alkalis, and hydrogen peroxide, which are commonly used in textile processing. This ensures that the brightener maintains its effectiveness and color stability, even in harsh chemical environments.

3. High Whiteness at Low Dosage: Fluorescent Whitening Agent FR-301 provides a high level of whiteness with only a small amount of product required. This low dosage efficiency reduces the overall cost of brightening processes while delivering optimal results.

4. Versatile Application Processes: Fluorescent Whitening Agent FR-301 is compatible with various dyeing techniques, including the pad-dyeing hot melt process, high-temperature pressure dip-dyeing, and low-temperature adsorbing and fixing dip-dyeing processes. This wide range of adaptability makes it suitable for different textile operations, offering consistent and reliable brightening performance.

Properties
1. Appearance: The product is a gray-blue dispersing liquid, making it easy to handle and incorporate into textile processing systems.
   
2. Viscosity: With a viscosity of less than 100 mPa.s at 25°C, Fluorescent Whitening Agent FR-301 ensures smooth and efficient processing in dyeing equipment.
   
3. pH: The pH value of a 1% solution is between 6.0 and 8.0, ensuring compatibility with a wide range of dye baths and textile treatments.
   
4. Ionicity: Fluorescent Whitening Agent FR-301 is a non-ionic product, making it highly compatible with other non-ionic, anionic, and cationic substances used in textile processing.
   
5. Flash Point: The product has a flash point of over 93°C, contributing to its safety and stability during processing.
   
6. Density: At 25°C, the density of Fluorescent Whitening Agent FR-301 ranges between 0.98 and 1.08 g/cm³, ensuring its stability and ease of mixing in formulations.
   
7. Ultraviolet Absorption: Fluorescent Whitening Agent FR-301 exhibits ultraviolet absorption between 175-185 nm, which enhances its brightening effect and overall performance in textile whitening processes.

Applications
Fluorescent Whitening Agent FR-301 is widely used in textile whitening and brightening processes for various polyester-based fabrics and their blends. Its adaptability to different dyeing techniques makes it suitable for a variety of

Applications:

1. Polyester Fabrics: It is particularly effective in whitening polyester fabrics, delivering a bright, vibrant appearance while maintaining fabric strength and integrity.

2. Blended Fabrics: Fluorescent Whitening Agent FR-301 is also well-suited for use on polyester-cotton, polyester-linen, and other polyester-blend fabrics, ensuring uniform brightening across different fiber compositions.

3. Dyeing Machines: The product is compatible with overflow dyeing machines, jig dyeing machines, and continuous padding equipment, making it a versatile solution for different textile production setups.

4. Low and High-Temperature Processes: Fluorescent Whitening Agent FR-301 works effectively in both low and high-temperature environments, making it suitable for a wide range of textile whitening applications, from gentle treatments to intense dyeing processes.