Recrystallized Silicon Carbide RSiC Ceramic Product

Overview of Recrystallized Silicon Carbide Ceramic Products

Recrystallized Silicon Carbide (RSiC) is a premium, high-purity ceramic manufactured by sintering pure silicon carbide powder at ultra-high temperatures (~2400°C). This process causes evaporation and condensation at the particle contacts, forming a strong covalent bond network without any sintering aids. The result is a material that is virtually 100% SiC, offering exceptional performance in the most extreme thermal and corrosive environments.

Features of Recrystallized Silicon Carbide Ceramic Products

RSiC stands out for its unparalleled performance under extreme conditions, making it the top choice for demanding high-temperature applications.
Ultra-High Purity & Corrosion Resistance: Contains no sintering aids, making it resistant to strong acids, strong alkalis, and molten metals.
Superior High-Temperature Performance: Excellent strength retention and outstanding resistance to creep under load at temperatures up to 1650°C in air.
Exceptional Thermal Shock Resistance: Its pure covalent bond structure and high thermal conductivity allow it to withstand rapid temperature changes without cracking.
Excellent Oxidation Resistance: Forms a protective silica layer in oxidizing atmospheres, preventing further degradation.
Good Wear Resistance: Inherits the high hardness of silicon carbide, making it suitable for abrasive environments

Specification Table of Recrystallized Silicon Carbide Ceramic Products

Property	Unit	Value
Silicon Carbide Content	%	98.5 – 99%
Max. Continuous Use Temp (Air)	°C	1650
Density	g/cm³	≥ 2.7
Porosity	%	~15
Flexural Strength	MPa	80 – 100 (20°C)
	MPa	90 – 110 (1200°C)
Elastic Modulus	GPa	280 (20°C)
Thermal Conductivity	W/m·K	100 (20°C)
	W/m·K	35 (1200°C)
Coefficient of Thermal Expansion	K⁻¹ x10⁻⁶	4.6

Applications of Recrystallized Silicon Carbide Ceramic Products

RSiC is the material of choice for the most demanding industrial applications where temperature, corrosion resistance, and structural stability are critical.
High-Temperature Kiln Furniture: The premier material for rollers, beams, beams, and setters in high-temperature furnaces for ceramics, lithium battery materials, and magnetic materials.
Wear & Corrosion-Resistant Components: Used for nozzles, seal rings, and thermocouple protection tubes in harsh chemical environments.
Chemical & Metallurgical Industry: Ideal for crucibles, burners, and components exposed to molten metals or corrosive gases.
Environmental Technology: Serves as a substrate material for DPF.

Company Profile

RBOSCHCO is a trusted global chemical material supplier & manufacturer with over 12 years of experience in providing super high-quality chemicals and Nanomaterials. The company exports to many countries, such as the USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Azerbaijan, Belgium, Cyprus, Czech Republic, Brazil, Chile, Argentina, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, Germany, France, Italy, Portugal etc. As a leading nanotechnology development manufacturer, RBOSCHCO dominates the market. Our professional work team provides perfect solutions to help improve the efficiency of various industries, create value, and easily cope with various challenges. If you are interested, please send an email to sales1@rboschco.com

Payment Term

T/T, Western Union, Paypal, Credit Card etc.

Shipment Term

By air, by sea, by express, as customers request.

Shipment

By sea, by air, by express as soon as possible once payment receipt.

FAQs of Recrystallized Silicon Carbide Ceramic Products

1. What is the key advantage of RSiC over other types of silicon carbide?
Re: Its key advantage is its combination of ultra-high purity (no sintering aids), exceptional high-temperature strength and creep resistance (up to 1650°C in air), and superior corrosion resistance, making it ideal for the most extreme environments.
2. Why does RSiC have a lower room-temperature strength compared to Sintered SiC (SSiC)?
Re: RSiC has an intrinsic porosity (typically 15-20%) due to its unique recrystallization process, which does not fully densify the material. This porosity limits its mechanical strength at room temperature compared to fully dense ceramics like SSiC.
3. Can RSiC be used in oxidizing atmospheres?
Re: Yes. RSiC exhibits excellent oxidation resistance. At high temperatures in an oxygen-containing environment, it forms a protective and self-healing silicon dioxide (SiO₂) layer on the surface that prevents further oxidation.
4. What are the main applications for RSiC?
Re: Its primary application is in high-temperature kiln furniture, such as rollers and beams, where its resistance to sagging (creep) under load at extreme temperatures is critical. It is also widely used in corrosive environments and as a substrate for DPF.
5. When should I choose RSiC over Reaction-Bonded SiC (SiSiC)?
Re: Choose RSiC when your application involves continuous temperatures above 1380°C, requires ultimate corrosion resistance (e.g., against strong alkalis), or demands the absolute best resistance to high-temperature creep. Choose SiSiC for complex-shaped parts that require higher room-temperature strength and where the operating temperature is lower