... powder, cryolite, chemical inhibitor, silica, Isophthalodinitrile etc.3.chemical raw material, fine chemical materialRoll compactor machine operating ... 20 rpm12 to 1810 to 16Power of screw feeder4 kw7.5 kw11 kw11 kw15 kwPre-pressure of accumulator5 ... productivity800 to 2,000 kg/h2,500 to 3,000 kg/h6,000 to 8,000 ... 3,600 kg/h3,500 to 4,500 kg/hFinal granules size1 to 5 mm1 to 5 mm1 to 5 mm1 to 5 mm1 to 5 ...