Product Details
1. Specifications - The Chemical Optical Brightener 220 is commonly available in a powder form with a bright yellowish appearance. It is soluble in organic solvents and exhibits high stability under various processing conditions, ensuring long-lasting performance. 2. Features: a) Excellent Brightening Property - Our optical brightener effectively brightens and enhances the whiteness of textiles, papers, and plastics, thereby producing visually appealing and high-quality end products. b) Wide Application Range - It can be easily incorporated into a variety of materials, including cellulose fibers, synthetic fibers, paper pulp, and thermoplastics. c) Good Resistance to Washing and Light - The brightening effect remains intact even after repeated washing or prolonged exposure to sunlight, making it ideal for applications requiring durability. d) Compatibility - The product is compatible with a range of chemicals and additives commonly used in the respective industries. This enables easy integration into existing manufacturing processes without any adverse effects.Specification
| Appearance | Yellow green powder | Conform |
| Effective content (%) | ≥98.5 | 99.1 |
| Melting point (°) | 216-220 | 217 |
| Fineness | 100-200 | 150 |
| Ash (%) | ≤0.3 | 0.12 |