SC2693 Silicon Carbide Honeycomb, SiC Honeycomb

Catalog No.	SC2693
Color	Round/Square
Compositions	Silicon Carbide, SiC Ceramics
Working Temperature	≤1400℃
Hole Type	Round/Square
Form	Ceramic Honeycomb

Silicon Carbide Honeycomb (SiC Honeycomb) has excellent mechanical properties at room temperature. Stanford Advanced Materials (SAM) has over two decades’ experience supplying Silicon Carbide Honeycomb of high quality at competitive prices.

INQUIRY

Description

Specification

Technical Data Sheet

Video

Silicon Carbide Honeycomb Description

Silicon Carbide Honeycomb has excellent mechanical properties. At room temperatures, SiC Honeycomb has high bending strength, excellent oxidation resistance, good corrosion resistance, high abrasion resistance and low friction coefficient. It can also maintain its best mechanical properties at high temperature (strength, creep resistance, etc.).

Stanford Advanced Materials (SAM) is a trust-worthy supplier of Silicon Carbide Ceramic Honeycomb who has over two decades of experience in the manufacture and sale of the Silicon Carbide Ceramics.

Silicon Carbide Honeycomb Specification

Properties	Units	Test	Value
Physical
Chemical Formula	-	-	a-SiC
Density, ρ	g/cm³	ASTM C20	3.21
Color	-	-	dark gray
Crystal Structure	-	-	hexagonal
Water Absorption	% @R.T.	ASTM C373	0.0
Hardness	Moh's	-	9 - 10
Hardness	knoop (kg/mm²)	Knoop 100g	2800
Mechanical
Compressive Strength	MPa @ R.T.	ASTM C773	1725 - 2500
Tensile Strength	MPa @ R.T.	ACMA Test #4	310
Modulus of Elasticity (Young's Mod.)	GPa	ASTM C848	476
Flexural Strength (MOR)	MPa @ R.T.	ASTM F417	324
Poisson's Ratio, ν		ASTM C818	0.19
Fracture Toughness, K_Ic	MPa x m^1/2	Notched Beam Test	4.0
Thermal
Max. Use Temperature (* denotes inert atm.)	ºC	No load cond.	1400
Thermal Shock Resistance	ΔT (ºC)	Quenching	350 - 500
Thermal Conductivity	W/m-K @ R.T.	ASTM C408	41
Coefficient of Linear Thermal Expansion, α_l	mm/m-ºC (~25ºC through ±1000ºC)	ASTM C372	5.12
Specific Heat, c_p	cal/g-ºC @ R.T.	ASTM C351	0.15
Electrical
Dielectric Constant	1MHz @ R.T.	ASTM D150	10.2
Dielectric Strength	kV/mm	ASTM D116	-
Electrical Resistivity	Ω cm @ R.T.	ASTM D1829	10⁸

Silicon Carbide Honeycomb Chemical Composition

*SiC %*	65-90
Al₂O₃%	8-38
MgO%	<0.5

Silicon Carbide Honeycomb Applications

1. Catalytic Converters: Silicon carbide honeycomb structures are widely used as substrates in automotive catalytic converters. The honeycomb design provides a large surface area for the catalyst, which helps in efficiently converting harmful exhaust gases (like carbon monoxide, hydrocarbons, and nitrogen oxides) into less harmful substances. SiC’s thermal stability ensures it can withstand the high temperatures encountered in exhaust systems.

2. Diesel Particulate Filters (DPFs): In diesel engines, SiC honeycomb structures are used in diesel particulate filters to trap soot and particulate matter from the exhaust stream. The high thermal conductivity and strength of SiC allow the filters to regenerate (burn off the accumulated soot) without degrading, thereby maintaining engine performance and reducing emissions.

3. Heat Exchangers: Due to their excellent thermal conductivity and resistance to thermal shock, silicon carbide honeycomb structures are used in heat exchangers, especially in high-temperature environments. They are employed in applications such as gas-to-gas heat exchangers, where efficient heat transfer and durability are critical.

4. Ceramic Radiators and Heaters: SiC honeycomb structures are used in ceramic heaters and infrared radiators, where they serve as the heating element or support structure. The honeycomb design enhances the heat exchange efficiency and provides uniform heat distribution, making them ideal for industrial heating processes, kilns, and furnaces.

5. Chemical Processing: In chemical processing industries, silicon carbide honeycomb structures are used in reactors and other equipment where they provide support for catalysts and facilitate chemical reactions at high temperatures. Their chemical inertness and corrosion resistance make them suitable for handling aggressive chemicals and harsh environments.

6. Aerospace Applications: SiC honeycomb structures are used in aerospace applications where lightweight, strong, and thermally stable materials are required. They are employed in components like thermal protection systems, heat shields, and structural panels in spacecraft and aircraft.

7. Thermal Insulation: SiC honeycomb structures are used in high-temperature insulation systems, where they provide structural support while minimizing heat loss. Their low thermal expansion and high temperature resistance make them suitable for use in furnaces, kilns, and other industrial equipment that operates at elevated temperatures.

8. Solar Power Generation: In concentrated solar power (CSP) systems, silicon carbide honeycomb structures are used as absorbers and heat exchangers. They efficiently capture and transfer heat from concentrated sunlight to the working fluid, enhancing the overall efficiency of the power generation process.

9. Filtration Systems: SiC honeycomb structures are used in high-temperature filtration systems, including molten metal filtration and gas filtration in harsh environments. Their ability to withstand extreme conditions makes them suitable for applications in the steel, aluminum, and chemical industries.

10. High-Temperature Gas Cleaners: In industrial gas cleaning applications, silicon carbide honeycomb filters are used to remove particulates and contaminants from hot gases. Their high thermal resistance and chemical stability ensure they can operate effectively in environments where other materials might degrade.

11. Radiation Shielding: Due to its high density and thermal stability, silicon carbide honeycomb structures can also be used in radiation shielding applications, particularly in environments where both thermal management and radiation protection are required.

12. Support Structures in Kilns and Furnaces: SiC honeycomb structures are employed as support structures or setter plates in kilns and furnaces. They can handle high thermal loads and maintain their integrity even under continuous use in extreme temperatures.

Honeycomb Packing

Our Silicon Carbide Honeycomb is carefully handled during storage and transportation to preserve the quality of our product in its original condition.