Browse used volumetric blenders and feeders for sale, including color and additive dosing units and multi component proportioning blenders, with configurations that vary by feeder type, throughput range, number of stations, control interface, calibration features, and how the system integrates with loaders, dryers, and machine throat feed setups. Arlington Plastics Machinery also buys, sells, and appraises used volumetric blenders and feeders.