various colors masterbatch granules in black palette

circle pattern design wheel granule plastic material industrial particle technology pellet polymer polypropylene resin chemistry laboratory chemical petrochemical extrusion industry moulding pigment white additive color green masterbatch manufacture research injection compound molding banner colorful background polyethylene blow colorant thermoplastic analysis colourful complexity discovery factory horizontal innovation idea magnification lab manufacturing molecule production recycling technical website catalog coloring isolated concept thermoforming ldpe hdpe engineer grain abs science composite polystyrene pvc blowmolding plastic-film colors granules black palette mixed product plastics