closeup top view on cyan plastic polypropylene granules heap on turquoise backdrop, masterbatch polymer grain pile. hdpe

polymer masterbatch plastic raw cyan resin pellets chemistry turquoise dye granules extrusion polyethylene grain compound plant petrochemicals industry material thermoplastic factory technology polypropylene polystyrene background science petrochemical injection recycling pattern color coloring granulate pvc production heap element research lab chemical grained molding pigment hdpe pet laboratory industrial closeup