Polyolefin composition intended for producing a cover for housing a motor vehicle safety airbag

The invention relates to a method to any of claims technology, and wherein the mould workpiece by injection in such as packaging vehicle airbag's shell a thermoplastic elastomer polyolefin composition for crosslinking, said composition comprising the polypropylene olefin polymer, wherein at least one of ethylene α - olefin copolymer, at least one of crosslinking agent and radical of the agent, the is a characterised, a) polypropylene olefin polymer, selected from polypropylene/ethylene or polypropylene/α and olefin copolymer, selected from the 23℃ as measured according to ISO 180 g/l of are Izod anti-shocking detecting measurements impact resistance is at least 40kJ/m2, whereinb) at least one of ethylene α - olefin copolymer is selected from at least one is equal to according to ISO 1183 standard density 0.870g/cm3, and c) at least one of thermoplastic elastomer is incorporated the composition.