Auger feeder screw and barrel for pigment pellet feeding

Pigment pellet feeder screw and barrel

The screw and barrel are Not suitable for extrusion with heating elements, it's designed for applying pigment or color masterbatch pellets additive to an extruder, injection molding machine, blow molding processing, etc.
If you can control it via a stepper motor or brushless motor, a small volume additive (pellet type) will be an easy job to do for your experiment applications.