PKM Pulverizer
WEBTechnical Specs. Method of Operation. The PolyGrinder® pulverizing systems, type PKMM 300 R, PKMM 600 R and PKMN 800 R are designed to produce powders from polyethylene with a 500 micron (35 mesh) top cut, which is perfect for rotational moulding. Pellets are fed into a feed hopper and a screw feeder meters the material into the pulverizer.