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Ceramic Disc for Sand Mill Alumina Grading Wheel Ceramic RotorThe alumina grading components for sand mill, made from high-purity alumina, is a pivotal component in sand mills. Mounted securely on the spindle of the mill, it rotates in synchronization with the spindle's high-speed operation. Through shearing, impacting, crushing, and dispersing materials, it accelerates their dispersion, dissolution, mixing, and refinement processes.