The PU blade for spiral classifier is engineered to enhance separation efficiency while maintaining long-term durability. Made from high-quality polyurethane, it provides excellent resistance to abrasion and chemical corrosion, ensuring stable performance in slurry environments. The blade design promotes smooth slurry flow and efficient particle classification, improving recovery rates of fine sand. Its customizable structure allows it to fit different classifier models, making it suitable for mining, quarrying, and sand washing plants seeking reliable spare parts.