Table 5. Oil and Abrasion Resistance of Unfilled and Zirconia-Filled NBR Composites.
| study | sample code | unfilled | In-Zr-5 | In-Zr-10 | In-Zr-20 | In-Zr-20T | Ex-Zr-20 |
|---|---|---|---|---|---|---|---|
| oil resistance (oil-IRM 901) | volume change (%) | 2.02 | 0.79 | 0.77 | 0.72 | 0.62 | 1.57 |
| oil resistance (oil-IRM 903) | volume change (%) | 17.15 | 12.92 | 12.83 | 11.79 | 11.18 | 15.29 |
| abrasion resistance | volume loss (cc) | 0.29 | 0.20 | 0.11 | 0.12 | 0.10 | 0.35 |
| aRVL (mm3) | 270 | 185 | 99 | 115 | 93 | 327 |
RVL: relative volume loss.