plastic regrind with samples

background bag chopper circuit circulation color compounding crusher cycle environment environmental environmentalism example glasses grain granulate granulates granules grind grinder industry machine material mill milled milling motley moulding packet pad particles parts pellet pellets pieces placcy plastic plate plates polymer raw recirculation recovery recyclate recycled recycling regenerate regranulate regrind resin resource sampls scrap shredder shredding sustainability synthetic test thermoplastic tubes use waste