110 0 1 2 ''0 me 1s. -mas Sp8nnung.DehnungSi.gnmm wn Polyplow Deh nu ng (PPI, Typ 2. for 2pc. Fig. A2. Isochronous stress-strain curves for polypropylene (PP) Type 2 at 20°C (Fig. 15 from DVS 2205 Part I).