ceramic extruder ZE 18. for food for hot-melt twin-screw. Output: 0.15 kg/h - 21.9 kg/h. Screw diameter: 5 mm - 24 mm. Three-Tec develops high-quality volumetric and gravimetric feed units and extruders together with peripheral equipment such as spheronizers, granulators, hot die faces, conveyor belts and water baths.