The Dual-Column Hydraulic Screen Changer for PE Modified Masterbatch features a dual-channel, dual-station design enabling non-stop online screen changes. Its core value lies in efficient impurity filtration, stable melt pressure, and ensuring continuous masterbatch production with uniform performance. It accommodates HDPE/LDPE/LLDPE modification scenarios including filled, color masterbatch, and functional masterbatch applications, particularly suited for high-filling (60%) and high-capacity pr