Si3N4 ni a mọ bi ohun elo sobusitireti seramiki ti o dara julọ pẹlu iṣiṣẹ igbona giga ati igbẹkẹle giga ni ile ati ni okeere. Botilẹjẹpe iṣesi igbona ti sobusitireti seramiki Si3N4 jẹ kekere diẹ ju ti AlN lọ, agbara irọrun rẹ ati lile lile fifọ le de diẹ sii ju ilọpo meji ti AlN. Nibayi, iṣesi igbona ti seramiki Si3N4 ga julọ ju ti Al2O3 c

Lati orundun 21st, awọn ohun elo amọ bulletproof ti ni idagbasoke ni iyara pẹlu awọn iru diẹ sii, pẹlu Alumina, Silicon Carbide, Boron carbide, silicon Nitride, Titanium Boride, bbl Lara wọn, Alumina Ceramics (Al2O3), Silicon Carbide ceramics (SiC) ati Boron Carbide Ceramics (B4C) jẹ lilo pupọ julọ.