| Brand | PN-WA80 | PN-FA85 |
| Al2O3 (%); | 80 | 85 |
| Bulk density (g/cm3) | 110℃×16h | 02.авг | 02.сен |
| Cold crushing strength (MPa) | 110℃×16h | 65 | 65 |
| 800℃×3h | 60 | 65 |
| 1200℃×3h | 60 | 65 |
| Modulus of rupture (MPa) | 110℃×16h | 15 | 16 |
| 800℃×3h | 10 | 12 |
| 1200℃×3h | 10 | 10 |
| Linear change (%) | 110℃×16h | 0~-0.2 | 0~-0.2 |
| 1200℃×3h | 0~-0.3 | 0~-0.3 |
| Service temperature (℃) | 850 | 850 |