hands checking raw material

additiv analyse analyser analysis analyze batch bio biocompatible biodegradable biopolymer blend blue checking coloring colouring compound control controler degradable diagnose dump elastomer examine grain grains granula granulat granulate gush hand industry inspect kunststoff kunststoffgranulat lab labor laboratoire laboratory main mano manos mass masterbatch material modifier moulding particles pellets pigment plastic plastics poly polymer pour prove pruefen quality raw research resin ripple scrutinise scrutinize study styrol synthetic synthetics testing thermoplast trickle verify verifying