Importance

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Abstract

A polyolefin composition comprising:

a) from 66 wt % to 76 wt % of a propylene polymer having the fraction insoluble in xylene at 25° C., higher than 97 wt %, a polydispersity index lower than 4.5, and a melt flow rate (MFR) comprised between 6.0 g/10 min and 10.0 g/10 min,b) from 12 wt % to 20 wt % of a copolymer of ethylene and propylene, the copolymer having ethylene ranging from 40 wt % to 53 wt %, the polymer fraction soluble in xylene at 25° C. having an intrinsic viscosity value ranging from 2 to 4 dl/g;c) from 12% to 20%% of ethylene homopolymer;the sum of the amount of a)+b)+c) being 100;said composition having a value of melt flow rate (MFR) ranging from 3.6 to 8.0 g/10 min.

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First Claim