ʻO Silicon nitride a me ka silicon carbide he mau pūhui covalent paʻa ikaika loa, loaʻa nā ʻano kino like ʻole a me nā waiwai kemika, silicon nitride i hui pū ʻia me nā huahana silicon carbide me ke kūpaʻa wela kiʻekiʻe, ka pale ʻana i ka corrosion, ka pale ʻana, ke kūpaʻa erosion, ke kūpaʻa oxidation a me ke ʻano o nā waiwai maikaʻi loa. ʻO Silicon nitride a me ka silicon carbide e like me nā mea refractory kiʻekiʻe i nā lewa like ʻole hiki ke piʻi ka mahana hoʻohana maʻamau i 1500 ℃ a i ʻole, hoʻohana nui ʻia i nā seramika, non-ferrous metallurgy, hao a me ke kila kila, pauka metallurgy, ʻoihana kemika a me nā ʻoihana ʻē aʻe.
ʻO Silicon nitride i hui pū ʻia me nā mea carbide silicon a me nā metala non-ferrous ʻaʻole infiltrate, a loaʻa nā waiwai insulation maikaʻi, no laila ua hoʻohana nui ʻia i ka hana hana o nā metala non-ferrous e like me ka aluminika, ke keleawe a me ka zinc, ʻoi aku ka maikaʻi o nā mea no ka hana ʻana i nā pōhaku lepo electrolytic cell side lining.
| 'ikamu | Papa kuhikuhipuu ahi | Kiln kikoʻī | Papa kuhikuhi o ka huahana i hoʻohālikelike ʻia |
| ʻIke ʻia ka porosity（%） | <16 | <16 | <14 |
| ʻAno nui（g/cm3） | 2 2.65 | 2 2.65 | 2 2.68 |
| Ka ikaika compressive ma ka lumi wela（MPa） | 2 160 | 2 170 | 2 180 |
| Ka ikaika kulou ma ka lumi wela（1400X：） MPa | 2 40 | 2 45 | 2 45 |
| Ka ikaika kulou wela wela（1400r） MPa | 2 50 | 2 50 | 2 50 |
| Coefficient o ka hoonui wela（110CTC）xioVC | <4.18 | <4.18 | <4.18 |
| ʻO ke kau wela wela（1100C） | 216 | 2 16 | 216 |
| Nā mea hoʻopaʻa（°C ） | 1800 | 1800 | 1800 |
| 0.2 MPa Hoʻomaʻamaʻa wela ma lalo o ka ukana（X：） | 1600 | 1600 | > 1700 |
| ʻO ka wela hana kiʻekiʻe（°C） | 1550 | 1550 | 1550 |
