Yield stress and fracture resistance values for TPO and TPO–POE blends.

Material	TPO	TPO + POE (10%)	TPO + POE (20%)	TPO + POE (30%)	TPO + POE (40%)	TPO + POE (50%)
Yield stress, (MPa)	24.37	20.93	17.33	13.47	12.02	10.33
J max, (kJ m−2)	3.77	3.27	2.73	2.14	1.92	1.67
J 0.2, (kJ m−2)	3.17	6.08	7.42	8.24	9.71	11.33
Confidence interval (max), (kJ m−2)	3.21	6.15	7.81	8.34	10.00	11.52
Confidence interval (min), (kJ m−2)	3.13	6.01	7.13	8.14	9.43	11.13