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What are SiC Creamics

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Technical Data Sheet

*Item*	*RSiC*	*NSiC*	*SiSiC/SSiC*	*SiC*	*Si3N4*
Full Name	Recrystallized Silicon Carbide	Nitride Bonded Silicon Carbide	Sintered Silicon Carbide	Oxide Bonded Silicon Carbide	Silicon Nitride
Color	Dark gray with crystal light	Gray	Dark gray	Black	Gray
Max Working Temperature (℃)	1650	1450	1380	1380	1150
Bulk Density (g/cm3)	≥2.7	≥2.75	≥3.02	2.65-2.75	3.2
Porosity (%)	≤17	12-15	＜0.1	≤15	0
Compression Strength (Mpa)	600	650	160	＞90	490
Bending Strength (Mpa)	90	180	250	＞45	700
Young’s Modulus (Gpa)	250	200-250	300	---	280
Thermal Conductivity (W/MK)	23	17	45	14	26
Thermal Expansion 20-1000 ℃ (10-6K-1)	4.7	5.0	4.5	4.8	3.4
Moh’s Hardness	9.5	9	9.66	---	9.4
SiC (%) Si3N4 (%)	99.5	70-80 20-30	85	≥85	99