| Exchangeable Feed Screws in Single and Twin Screw Feeders The table at right provides a rough classification of bulk material characteristics suitable to certain types of screw designs. Where flow characteristics are unknown or inconsistent, feeding tests are recommended. Application Examples Include: • Ti O2 • Pigments • Seasoning on potato chips • Pellets for plastic extrusion • Flocculating agents for wastewater • Oxides for mill charging • Vitamins in candy manufacture • Salt in cheese production • Additives for ice cream or baked goods |