| No. observation | Sample weight before in (gm.) | No. Abrasion cycle | Sample weight after abrasion (gm.) | Weight loss (gm.) | Wear index | Avg. Wear index |
| 1 | 0.36 | 10,000 | 0.354 | 0.006 | 60 | 60 |
| 2 | 0.361 | 10,000 | 0.356 | 0.005 | 50 | |
| 3 | 0.359 | 10,000 | 0.352 | 0.007 | 70 |