SISIC Beam

Item	Unit	RBSiC (SiSiC)Reaction-Bonded SiC	SSiCSintered SiC
Max. Service Temperature	°C	1380	1600
Density	g/cm³	>3.02	>3.1
Open Porosity	%	<0.1	<0.1
Bending (Flexural) Strength	MPa	250 (20°C); 280 (1200°C)	>400
Modulus of Elasticity	GPa	330 (20°C); 300 (1200°C)	420
Thermal Conductivity	W/(m·K)	45 (1200°C)	74
Coefficient of Thermal Expansion	×10⁻⁶ K⁻¹	4.5	4.1
Vickers Hardness HV₀.₅	GPa	20	22
Acid & Alkali Resistance	—	Excellent	Excellent

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