Patent ID: 8586163

Claim:
Heterophasic propylene copolymer (HECO) comprising (a) a propylene matrix (A) and (b) an elastomeric copolymer (B) comprising propylene and at least one other C 2 to C 10 α-olefin wherein (c) the heterophasic propylene copolymer (HECO) is β-nucleated, (d) the heterophasic propylene copolymer (HECO) has a melt flow rate MFR 2 (230° C.) measured according to ISO 1133 of below 1.0 g/10min, and (e) said elastomeric copolymer (B) has an intrinsic viscosity measured in tetraline at 135° C. of equal or below 4.0 dl/g.