Upgraded version of fluorescent whitening agent K-1

Product Name and Model: K-1 (Upgraded Version) Technical Specifications: Appearance: Yellow-green powder Color: Blue-white light Effective Component: ≥99.8% Operating Temperature: Within 300℃ Fluorescent Brightener K-1 for Hot Melt Coatings is independently developed by Richite Company. It utilizes high-quality, high-grade imported materials. After years of continuous learning, refinement, innovation, and research by our polymer experts, Richite has developed this high-end