... --Full discharge without residue, easy to clean PLA series loss-in-weight feeder date sheetTypeFlowMaterialHopperPL-SZ30T20-300L/hpigments, sticky, ... bridging or flooding powders, fiberglass.80L/150L Twin screw loss-in-weight feeders are most effective for pigments, sticky, ... used for pellets and free-flowing powders1.Quick Change loss-in-weight feeders are specially designed for applications ...