Silicon nitride ceramic ring has low thermal expansion coefficient and high thermal conductivity, so it has excellent heat shock resistance. 

Within 1200℃ temperature, silicon nitride ceramics have high strength and impact resistance.

Features:

⭐️Density: 3.15~ 3.25g /cm3

⭐️Hardness: HRA 92~94

⭐️Maximum operating temperature: 1300 ~1600 ℃

⭐️Thermal conductivity: 23-25 W.(MK)-1

⭐️Bending strength: ≥900 Mpa

⭐️Fracture toughness: 6~8 (Mpa.m1/2)

⭐️Thermal expansion coefficient (0~1400℃) : 2.95~3×10-6/℃

Silicon Nitride (Si3N4) ceramics has a low coefficient of thermal expansion, high thermal conductivity and excellent thermal shock resistance. As an excellent high-temperature engineering material, Si3N4 ceramic material can best exert its advantages in its application in high-temperature fields.