COMPACT is a pre-densification system for single-screw extruders, designed to prepare material for extrusion and enable the processing of moist materials. The feeder screw ensures a continuous and constant supply to the extruder, resulting in a more stable production. The system is also notable for its flexible feeding options and its ability to handle materials of various shapes and sizes. COMPACT is compatible with various single-screw extruder configurations, available in multiple sizes.