CAP311US2 is a High Density Polyethylene copolymer manufactured by INEOS Olefins & Polymers intended for the injection and compression molding of screw caps for still mineral water and lightly pressurized beverages. Developed for applications requiring excellent processability, high rigidity, enhanced stress cracking resistance and excellent organoleptic properties, CAP 311US2 is well suited for packaging in direct contact with beverages and sensitive food. CAP311US2 contains a slip package for lower cap removal torques and improved capping performance. This material meets the Food and Drug Administration requirements of 21 CFR 177.1520.