The invention concerns accordingly {HEAD ~ a composition} having {TAIL ~ a density} of at least 950 kg/m3, a fluidity index MI5 of 0.05 to 2 g/10 min and a content of alpha olefin containing from 4 to 10 carbon atoms of from 0.15 to 1 mole %, comprising: 
having
The invention concerns accordingly { HEAD ~ a composition } having { TAIL ~ a density } of at least 950 kg / m3 , a fluidity index MI5 of 0.05 to 2 g/10 min and a content of alpha olefin containing from 4 to 10 carbon atoms of from 0.15 to 1 mole % , comprising :
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH