Table 2: Statistical results of repeatability in the onset temperature for the oxidation of HDPE without additive.

(°C/min)Onset temperature oxidation (, °C)
Run 1Run 2Run 3SDRSD (%)

3210,18210,09210,15210,10,0460,0002
5215,35215,40215,39215,40,0260,0001
10223,80223,75223,78223,80,0250,0001
15226,35226,30226,31226,30,0260,0001
20230,10230,15230,11230,10,0260,0001

= average, SD = standard deviation, and RSD = relative standard deviation (%).