top view on three glass cups with blue plastic polypropylene granules, masterbatch polymer grain, on blue backdrop. hdpe

polymer masterbatch plastic blue bowl raw resin pellets cup chemistry dye isolated granules top extrusion polyethylene glass grain compound plant petrochemicals pile industry material thermoplastic factory technology polypropylene polystyrene background science petrochemical injection recycling pattern color chemical hdpe research pvc element production granulate molding pet industrial pigment closeup