Shaanxi KeGu New Material Technology Co., Ltd
Shaanxi KeGu New Material Technology Co., Ltd
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Meta Description: Discover durable, economical Silicon Carbide (SiC) heating elements for extreme environments up to 1550°C. Ideal for metallurgy, ceramics, glass, and lab equipment. Learn about specs, surface loads, and how to order.
Silicon Carbide (SiC) heating elements are premium non-metal electric heaters designed for extreme temperatures and harsh industrial environments. Manufactured from high-purity green silicon carbide, they are formed, siliconized, and recrystallized at high temperatures to deliver reliable, long-lasting performance. These elements are the go-to economical solution for demanding high-temperature applications.
Electronics Manufacturing
Metallurgical Processing
Aluminum & Zinc Industries
Ceramics & Porcelain Kilns
Float Glass Production
Optical Glass Manufacturing
Laboratory & Research Furnaces
Fluorescent Powder Processing
For optimal performance and lifespan, it is crucial to operate within recommended surface load limits based on your furnace atmosphere and temperature.
|
Atmosphere |
Max. Furnace Temp. (°C) |
Max. Surface Load (W/cm²) |
Effect on SiC Element |
|
Ammonia (NH₃) |
1290 |
3.8 |
Produces methane, damaging the protective SiO₂ layer. |
|
Carbon Dioxide (CO₂) |
1450 |
3.1 |
Corrosive to silicon carbide. |
|
Carbon Monoxide (CO) |
1370 |
3.8 |
Carbon deposition can impair the SiO₂ layer. |
|
Halogen Gases |
704 |
3.8 |
Highly corrosive; destroys SiO₂ layer. |
|
Hydrogen (H₂) |
1290 |
3.1 |
Produces methane, damaging the protective SiO₂ layer. |
|
Nitrogen (N₂) |
1370 |
3.1 |
Can form an insulating silicon nitride layer. |
|
Sodium Vapor |
1310 |
3.8 |
Corrosive to silicon carbide. |
|
Silicon Dioxide |
1310 |
3.8 |
Corrosive to silicon carbide. |
|
Oxygen / Air |
1310 |
3.8 |
Oxidizes SiC (forms protective SiO₂ at correct temps). |
|
Water Vapor |
1090-1370 |
3.1-3.6 |
Forms silicon hydrates, accelerating aging. |
|
Hydrocarbons |
1370 |
3.1 |
Carbon pickup leads to "hot spot" failure. |
Please provide the following details for a quote or order:
Type: (e.g., Standard "U" Shape)
Outer Diameter (OD): in mm or inches.
Hot Zone Length (HZ): The heated section length.
Cold End Length (CZ): The unheated terminal section length.
Shank Spacing (A): Center-to-center distance between cold ends.
Overall Resistance: Rated resistance in ohms (Ω).
Ordering Example:
Specification: U-Type, 20mm OD, 300mm Hot Zone, 200mm Cold Ends, 60mm Shank Spacing, 1.84Ω Resistance.
Order Code: SiC U20/300/200/60/1.84Ω