Bwfferau rwber Math AT wedi taro 40 * 30MM M8 * 23 (Tympwyr TP)
| D / H | D | d | H | G | h | t |
| 10 / 8-10 | 10 | 8 | 10 | M4 | 10 | 4 |
| 20 / 15-19 | 30 | 15 | 19 | M6 | 18 | 6 |
| 26 / 18-28 | 26 | 18 | 28 | M8 | 20 | 8 |
| 30 / 22-20 | 30 | 22 | 20 | M8 | 20 | 8 |
| 40 / 25-30 | 40 | 25 | 30 | M8 | 23 | 8 |
| Ansawdd rwber: | NR, NBR, CR, EPDM |
| Gorffeniad metel: | St37 galfanedig |
| Caledwch: | 40, 55, 70 Shore A |
Tagiau poblogaidd: yn deipio mewn bwfferau rwber (tp dumpers), Tsieina, gwneuthurwyr, cyflenwyr, prisiau wedi'u haddasu
