TRADITIONALLY AUTOMOTIVE TUBES ARE PRODUCED THROUGH EXTRUSION EQUIPMENT FROM POLYMERIC MATERIALS CONTAINING SPECIFIC ADDITIVES. THEY ARE MADE UP OF A NUMBER OF STRATA AND THE PROCESS AND DESIGN MAKE IT POSSIBLE TO OBTAIN PRODUCTS USING SPECIFIC PROPERTY. THE APPLICATION OF INNOVATIVE MATERIALS AND FINISHES MAY CONTRIBUTE TO IMPROVING THE PERFORMANCE OF THE PRODUCT WITH CONSEQUENCES IN TERMS OF COMPETITIVENESS OF UNDERTAKINGS AND REDUCED ENVIRONMENTAL IMPACT. ON THIS BASIS, ON THIS BASIS, THE PROJECT IS AIMED AT PROTOTYPING: — AIR-CONDITIONED (AUTOMOTIVE) TUBE WITH IMPROVED BARRIER MATERIALS FOR FUTURE USE OF CO744 BASED CO2. DID THE IMPROVED BARRIER TO CO2 (TARGET 1) OF THE TUBE INTRODUCE A LESS IMPACTFUL DIRECT TECHNOLOGY AS IT IS AVOIDING THE USE OF THE REFRIGERANT GASES THAT ARE A MAJOR CONTRIBUTOR TO THE GREENHOUSE EFFECT; — SELECTIVITY (SCR)