Table 7.
Heat aging test results and odor characterization of TPE-based compounds.
| Standard | Control | Sample 1 | Sample 5 | Sample 6 | |
|---|---|---|---|---|---|
| Odor (Ford Test Method) | BO 131-03 | 2 | 2 | 4 | 4 |
| Change in Tensile strength (7 days/150 °C) (%) | ISO 188 | +12 (0.5) | +15 (2.0) | +2 (0.1) | +1 (0.1) |
| Elongation at break after ageing (7 days/150 °C) (%) | ISO 188 | +24 (2.5) | +26 (3.1) | +16 (2.3) | +15 (2.1) |
| Compression set (72 h/23 °C) (%) | ISO 815 | -21 (2.5) | -20 (2.2) | -19 (2.3) | -19 (2.2) |
| Compression set (22 h/70 °C) (%) | ISO 816 | -36.5 (2.1) | -37.5 (1.9) | -37.7 (2.4) | -38.8 (2.3) |
Parentheses indicate standard deviation.