The stress crack resistance (full notch creep test (FNCT)) of the polyethylene and injection moldings as determined according to ISO DIS2 16770 at a pressure of 3.5 Mbar at 80??? C. in a 2% by weight solution of Akropal N (N=10) in water, is preferably at least 5 h, preferably of from 6 to 80 h and particularly prefarbly of from 7 to 20 h.