Grilon BFZ 3 natural 6014 is a high impact modified Polyamide 6 with optical brightener. Extremely high impact resistance at low temperatures and dry conditions, low density, easy processing, very good barrier against aromatic compounds, hydrocarbons and oils, activated by UV-light. Grilon BFZ 3 natural 6014 is used in extrusion blow moulding and tube extrusion. The optical brightener allows simple quality control of the produced containers with UV-light. The material characteristics are not affected by the optical brightener. Grilon BFZ 3 natural 6014 is used in coextruded structures as a barrier or to improve the mechanical properties of blow moulded containers.