Ubwino:
Kapangidwe kameneka kamapangitsa kuti pakhale kukana kwamphamvu kwa kutentha kwa kutentha, kukokoloka, kukana okosijeni komanso ntchito yayitali.
Amawonetsa mawonekedwe abwino kwambiri okana kugwedezeka kwamafuta, magwiridwe antchito okhazikika, dzimbiri bwino komanso kukana kukokoloka, komanso kukana kwamphamvu kusweka.Zizindikiro | Chapamwamba ndi kusonkhanitsa nozzle | ||
ZA70 | ZA75 | ZA80 | |
Al2O3≥ | 70 | 75 | 80 |
C ≥ | 3 | 3 | 3 |
Kachulukidwe (g/cm3) ≥ | 2.7 | 2.85 | 2.85 |
Kuwoneka porosity ≤ | 10 | 10 | 10 |