... in manufacturing such these rubber machines co-roatating twin screw extruder:Both screws and barrels were designed using ... mixing/compounding, dispersing, homogenization, devolatiliation, pressure-buildup in twin screw extruders, in accordance to the specific requirements of each process ... the standard volumetric metering feeders, the loss-in-weight feeder with accuracy as high as 0.5 % are also ...