ELTEX® Superstress™ CAP311 is a High Density Polyethylene copolymer manufactured by INEOS Olefins & Polymers Europe using its proprietary supported catalyst & process, particularly intended for the injection and compression moulding of screw caps for the packaging of beverages.

It is especially suited for applications requiring excellent processability, high rigidity and enhanced stress cracking resistance. Thanks to high purity and excellent organoleptic properties it is well suited for packaging in direct contact with beverages and sensitive food.

Benefits & Features

• Very good injectability (MFR 11-like resin)

• High rigidity

• Good stress cracking resistance

• Improved rigidity/stress cracking resistance compromise

• Excellent quality controlled organoleptic properties

• Slip agent free grade

Applications
Injection Moulding and Compression Moulding of Caps & Closures for the packaging of still mineral water and slightly carbonated or pressurized beverages