●This equipment is for vacuum extruding and molding the products of fired common brick, fired perforated brick, fired hollow brick, hollow block and etc. ●Our extruder has three forms: soft plastic vacuum extruder, semi hard vacuum extruder and hard plastic vacuum extruder. ●Soft plastic vacuum extruder is suitable for the raw materials with moisture content higher than 19%;the allowed extrusion pressure is 0.4~1.8 MPa. ●Semi hard vacuum extruder is suitable for the raw materials with moisture content between 16%~19%;the allowed extrusion pressure is 1.8~2.5 MPa. ●Hard plastic vacuum extruder is suitable for the raw materials with moisture content lower than 16%;the allowed extrusion pressure is 2.5~4.5 MPa. |