pH Values of Test Articles
| Test Articles | Initial pH 2 | Initial pH Neutral | Initial pH 12 | |||
|---|---|---|---|---|---|---|
| Rep. 1 | Rep. 2 | Rep. 1 | Rep. 2 | Rep. 1 | Rep. 2 | |
| Plastic Materials | ||||||
| B1 | 2.17 | 2.20 | 6.10 | 6.25 | 11.75 | 11.73 |
| B2 (glass) | 2.17 | 2.16 | 6.40 | 6.31 | 11.68 | 11.71 |
| B3 | 2.16 | 2.18 | 6.17 | 6.29 | 11.73 | 11.71 |
| B4 | 2.18 | 2.16 | 6.21 | 6.35 | 11.75 | 11.75 |
| Elastomer Materials | ||||||
| E1 | 2.09 | 2.13 | 7.27 | 6.95 | 11.78 | 11.77 |
| E2 | 2.13 | 2.10 | 6.09 | 5.37 | 11.72 | 11.74 |
| E3 | 2.13 | 2.13 | 6.18 | 6.26 | 11.70 | 11.74 |
| E5 | 2.10 | 2.12 | 5.89 | 6.08 | 11.74 | 11.71 |
| E4 | 2.13 | 2.12 | 5.91 | 6.23 | 11.72 | 11.71 |
| E6 | 2.09 | 2.13 | 6.16 | 6.10 | 11.73 | 11.71 |
| Control | 2.11 | 2.12 | 5.99 | 6.04 | 11.72 | 11.75 |