... phosphate, High test bleaching powder, cryolite, chemical inhibitor, silica, Isophthalodinitrile etc.3.chemical raw material, fine chemical materialRoller compactor operating principle: Difference of Roller ... to12 mm12 to 14 mm14 to 16 mmCompacting productivity800 to 2,000 kg/h2,500 to 3,000 kg/h6,000 ...