The Laboratory Jaw Crusher Pulverisette 1 is recommended for intermittent or continuous precrushing of coarse materials. The maximum feed size is approximately 60 mm (model I) or 95 mm (model II). The maximum throughput is140 kg/h (model I) or 200 kg/h (model II). The optimum fineness depends on the gap setting which can be set from 15 to 1mm.