... by being placed into a plastic grinder, also called regrind machines or granulators, which regrinds the scrap material into ... to some degradation of the material properties, the regrind must be mixed with raw material in the proper ... gears, handles, plumbing components, rollers, rotors, slide guides, valves Acrylic PMMA Diakon, Oroglas, Lucite, Plexiglas Rigid, brittle, scratch resistant, transparent, ...