Product Overview
Silicon Carbide (SiC) ceramic heating elements represent the pinnacle of non-metallic, high-temperature electric heating technology. Engineered from premium-grade green silicon carbide through advanced pressing, high-temperature siliconizing, and recrystallization processes, these elements outperform traditional metal heaters with superior oxidation resistance, corrosion resistance, and extended service life—making them the ideal heating solution for demanding industrial applications.
Key Advantages & Features
- Ultra-High Temperature Performance: Stable operation in environments up to 1650 °C (3000°F)
- Energy-Efficient Design: Patented cold-end manufacturing process ensures optimal heat zone resistance, reducing energy waste and preventing furnace body damage
- Long Service Life: Exceptional resistance to thermal shock, deformation, and chemical corrosion
- Easy Installation & Maintenance: Standardized designs simplify integration and replacement, minimizing downtime
- Versatile Application: Suitable for glass melting, ceramics sintering, powder metallurgy, magnetic materials processing, and mechanical heat treatment
Available Product Series
We offer a comprehensive range of SiC heating element configurations to match your specific furnace design:
| Series Type |
Description |
Common Applications |
| Rod Type |
Standard straight heating rods |
General-purpose industrial furnaces |
| U-Type |
Two-rod configuration with SiC bridge |
Compact furnaces, lab kilns |
| W-Type (3-Phase) |
Three-phase heating for balanced power |
Large glass baths, industrial kilns |
| Solid Rod Type |
Dense, high-load resistant rods |
High-temperature sintering |
| Spiral Type |
Enhanced surface area for radiant heat |
Uniform heating applications |
| 5-Piece Type (Dual Hot Zone) |
Multi-zone heating for precision control |
Advanced thermal processing |
Standard Sizes Available: Diameters from 10mm to 54mm, including popular imperial sizes: 31.7mm (1.25"), 38.1mm (1.5"), and 44.4mm (1.75").
Technical Specifications
Physical Properties
| Property |
Specification |
Test Standard |
| Specific Gravity |
2.6-2.8 g/cm³ |
ASTM C20 |
| Hardness (Mohs) |
>9 |
ASTM C1327 |
| Porosity Rate |
<30% |
ASTM C373 |
| Bend Strength |
>300 kg/cm² |
ASTM C1161 |
| Tensile Strength |
>150 kg/cm³ |
ASTM C1273 |
| Radiancy (Emissivity) |
0.85 |
ASTM E408 |
Electrical Properties
SiC heating elements exhibit unique resistance characteristics essential for effective thermal management:
- High Specific Resistance: 600-1400 Ω*mm²/m at 1050°C hot zone temperature
- Temperature-Resistance Curve:
- Negative temperature coefficient (NTC) from room temperature to 800 °C
- Positive temperature coefficient (PTC) above 800 °C
- Surface Load Optimization: Proper selection based on furnace structure ensures maximum element longevity
Packaging & Global Shipping
- Secure Packaging: Each element is individually wrapped in anti-static material and placed in reinforced cartons
- Global Logistics: We ship worldwide via air, sea, and express courier services
- Export Compliance: All shipments meet international standards for hazardous materials transport
Why Choose Our SiC Heating Elements?
Manufacturing Excellence
- In-House R&D Team: Continuous product innovation and customization capabilities
- Advanced Production Line: State-of-the-art manufacturing with strict process control
- Quality Assurance: 100% pre-shipment inspection and batch traceability
Global Experience
Established in 2014 and headquartered in Henan, China, we serve clients across six continents with extensive experience in:
- South Asia (15%)
- South America (10%)
- Eastern Europe (10%)
- Eastern Asia (10%)
- Western Europe (10%)
- North America (9%)
- Middle East (9%)
- Southeast Asia (5%)
- Africa (5%)
Complete Product Portfolio
- Silicon Carbide (SiC) Heating Elements
- Molybdenum Disilicide (MoSi₂) Heating Elements
- Molybdenum & Tungsten Alloys
- Industrial Furnaces & Laboratory Heating Equipment
Customer-Centric Services
- Flexible Payment Options: T/T, L/C, D/P, Credit Card, PayPal,
- Incoterms Support: FOB, CFR, CIF, EXW, DDP, and all major delivery terms
- Multilingual Support: English, Chinese, Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean, Hindi, Italian
- Custom Solutions: Tailored designs for specific furnace requirements
Request a Quote or Technical Consultation
Ready to enhance your furnace performance with premium SiC heating elements? Contact our engineering team today for:
- Custom design specifications
- Technical datasheets
- Competitive pricing
- Sample requests