Patent ID: 8367763

Claim:
A polyethylene composition comprising a base resin which comprises (a) an ethylene homo- or copolymer fraction (A); and (b) an ethylene homo- or copolymer fraction (B), wherein (i) fraction (A) has a lower average molecular weight than fraction (B); (ii) the base resin has a density of 940 to 947 kg/m 3 , determined according to ISO 1183-2; (iii) the polyethylene composition has an MFR 5 of 0.1 to 0.5 g/10 min, determined according to ISO 1133; (iv) the polyethylene composition has an SHI (2.7/210) of 10 to 45; (v) fraction (B) comprises 0.3 to 6.0 mol % of at least one alpha-olefin comonomer; and (vi) fraction (A) has a density of 955 to 980 kg/m 3 , determined according to ISO 1183-2.