The present disclosure relates to a polyethylene composition comprising copolymers of ethylene with 1-alkenes, or mixtures of ethylene homopolymers and said copolymers of ethylene with 1-alkenes, wherein the polyethylene composition has a molar mass distribution width (MWD) M.sub.w/M.sub.n of from 7 to 15, a density of from 0.942 to 0.954 g/cm.sup.3, a weight average molar mass M.sub.w of from 20,000 g/mol to 500,000 g/mol, a MIE of from 1.0 to 3.0 g/10 min, a MIF of from 100 to 200 g/10 min, and a ratio MIF/MIE of from 40 to 50.