# SCR SiC Heating Elements ## CVSIC SCR SiC Heating Rods Description CVSIC Double-Thread Silicon Carbide (SiC) Heating Elements (SD/SCR/LS Types) are crafted from high-density reaction-sintered silicon carbide, with a hot zone density of up to 2.8g/cm³ and a maximum operating temperature of 1625°C (2957°F). The unique double-spiral groove design delivers a high resistance ratio and surface loading, reducing current consumption and saving on control equipment and wiring costs. The single-end connection simplifies installation, offering energy efficiency, a long lifespan, and excellent corrosion resistance, making it ideal for zirconia sintering, new energy battery cooling systems, and high-temperature industrial furnaces. ## CVSIC SCR SiC Heating Rods Technical Parameters (at 1000℃) | Diameter (mm) | Hot Zone Resistance (Ω/mm) | Hot Zone Power (W/mm) | Cold Zone Resistance (Ω/mm) | Cold Zone Power (W/mm) | | --- | --- | --- | --- | --- | | 18 | 0.02158 | 8.48 | 0.00430 | 1.70 | | 20 | 0.02302 | 9.42 | 0.00384 | 1.60 | | 25 | 0.01969 | 11.78 | 0.00328 | 1.75 | | 30 | 0.01523 | 14.13 | 0.00190 | 1.75 | | 35 | 0.01224 | 16.49 | 0.00150 | 2.00 | | 40 | 0.00905 | 18.84 | 0.00100 | 2.10 | | 45 | 0.00960 | 20.91 | 0.00079 | 2.10 | | 50 | 0.02953 | 23.55 | 0.00075 | 2.20 | | 54 | 0.00636 | 25.43 | 0.00073 | 2.30 | ### SiC Heating Elements ResistanceTemperature Performance Graphs ![cvsic sic heating elements resistancetemperature performance graphs](https://cvsicelement.com/wp-content/uploads/2025/08/CVSIC-SiC-Heating-Elements-ResistanceTemperature-Performance-Graphs.webp) ## Ordering Information When ordering SCR Silicon Carbide Heating Elements, please provide the following parameters: - **OD**: Outer Diameter (mm) - **HZ**: Hot Zone Length (mm) - **CZ**: Cold Zone Length (mm) - **OL**: Overall Length (mm) - **Resistance**: Ω (customizable) - **Example**: SD Type, OD=32mm, HZ=300mm, CZ=250mm, OL=550mm, Resistance=4.46Ω, denoted as: SD Type/32/300/550/4.46Ω ![scr type sic heating element drawing](https://cvsicelement.com/wp-content/uploads/2025/08/SCR-Type-SiC-Heating-Element-Drawing-e1754361561874.webp) *Note*: Contact us for other specifications or customization. ## CVSIC SCR SiC Heater Connection Method - **Contact Surface Design**: Cold end uniformly coated with aluminum for enhanced conductivity and low-resistance contact. - **Electrical Connection**: Secured with flat aluminum braid and spring clips, ensuring stable single-end connection, ideal for hard-to-access furnace designs. - **Note**: Select hot/cold end diameter and length based on furnace structure, temperature, and power requirements. Use a Silicon-Controlled Rectifier (SCR) voltage regulator for precise temperature control to extend lifespan. ![scr type sic heating element dr parameter mark](https://cvsicelement.com/wp-content/uploads/2025/06/SCR-type-sic-heating-element-dr-parameter-mark.jpg) ## CVSIC SCR SiC Heater Application Fields CVSIC SCR Silicon Carbide Heating Elements are widely used in: - **Zirconia Sintering**: For dental furnaces and industrial zirconia material sintering (1450-1550℃), supporting open crucible processes for simplified operation and improved precision. - **New Energy Batteries**: As thermal management material for high-temperature processes in battery cooling systems. - **Electronic Semiconductors**: Supports wafer sintering, diffusion furnaces, and encapsulation material heating. - **Optical-Electronic Devices**: Meets production and heat treatment needs for precision optical-electronic devices. - **Automotive Industry**: Used in electronic component encapsulation and high-temperature heat treatment processes. - **High-Temperature Industrial Furnaces**: Suitable for ceramic sintering, glass manufacturing, and high-uniformity heating scenarios. ## CVSIC SCR SiC Elements Product Advantages - **Energy Efficiency**: The double-spiral groove design increases the resistance ratio and surface loading, reducing current consumption and saving on control equipment and wiring costs. - **Ultra-High Temperature Resistance**: Hot zone density of 2.8g/cm³, operates up to 1625°C (2957°F), with up to 2000 hours of continuous use in oxidizing atmospheres at optimal temperatures. - **Corrosion and Oxidation Resistance**: The high-density, low-porosity structure resists oxidation, making it making it ideal for harsh environments. - **Fast and Even Heating**: Current-driven heating ensures uniform temperature fields and quick ramp-up, boosting production efficiency. - **Easy Installation**: The single-end connection design suits hard-to-access furnaces, simplifying both installation and maintenance. - **Global Service**: ISO-certified factory, 360-ton annual capacity, offers free samples, no minimum order, and 7-30 day delivery. ## CVSIC SCR SiC Rods Installation Method To ensure the performance and safety of SCR Silicon Carbide Heating Elements, follow these steps: - **Inspect Element**: Before installation, ensure the element is free of cracks or damage and that the spiral grooves are intact. - **Installation Type**: Supports vertical or horizontal installation. For horizontal installation, the hot zone requires no support, and the grooves should be level. Wiring holes should be 10% larger than the element diameter. - **Fixing Device**: Use ceramic chucks or dedicated clamping devices, avoiding tension to allow independent expansion and contraction. - **Power Connection**: Connect to a 110-480V power supply with flat aluminum braid and spring clips for proper resistance matching. - **Installation Position**: Position the hot zone at the furnace center, avoiding extension into the furnace wall. A 1/2-inch (13mm) conical groove in the furnace wall is recommended to optimize radiation and temperature uniformity. - **Preheating**: Gradually increase power during first use to avoid thermal shock. - **Regular Maintenance**: Check aluminum coating connections and clamps for looseness or corrosion. *Note*: Professionals should perform the installation. Contact us for detailed guidance. ## Design Recommendations To optimize the performance of SCR Silicon Carbide Heating Elements, follow these suggestions: - **Hot Zone Length**: Match the hot zone length to the furnace width to avoid insertion into the furnace wall, preventing ablation. - **Cold Zone Length**: Cold zone length should equal furnace wall thickness plus 50-150mm extension for accessory connection. - **Furnace Aperture**: The wiring hole diameter should be 1.1 times the element diameter to allow free expansion and prevent cracking. - **Spacing Design**: Maintain ≥3 times the outer diameter between the element and material/furnace wall and ≥4 times the outer diameter for center-to-center spacing to optimize heat distribution. - **Temperature Control System**: Use a PID controller for precise temperature control to extend the element’s lifespan. - **Spiral Groove Protection**: Avoid mechanical damage to the double-spiral grooves to maintain corrosion resistance. ## Customization Services CVSIC offers flexible customization for SCR Silicon Carbide Heating Elements: - **Size Customization**: Adjust the outer diameter and hot/cold zone length to fit your furnace design. - **Resistance Optimization**: Customize resistance to match 110-480V power configurations. - **Special Cold End Design**: Provide customized cold ends to optimize resistance ratio and conductivity. - **Special Coatings**: Offer oxidation-resistant or corrosion-resistant coatings for enhanced performance in harsh environments. - **OEM/ODM Services**: Support bulk wholesale, free samples, no minimum order, and 7-30 day delivery. - **Technical Support**: We provide expert guidance and thermal field simulation to support the selection and installation process. - Contact us for customized solutions or free samples! CVSIC is committed to providing high-quality SCR Silicon Carbide Heating Elements for industries worldwide, optimizing zirconia sintering, new energy batteries, and high-temperature processes. Contact us for product quotes, customization services, or free samples to boost your heating efficiency! ### SCR Type SiC Elements Accessories - [](https://cvsicelement.com/product/h-silicon-carbide-clamps/) #### [H-Type Silicon Carbide Clamp](https://cvsicelement.com/product/h-silicon-carbide-clamps/) - [](https://cvsicelement.com/product/aluminum-braid-for-sic-heater/) #### [Aluminum Braid](https://cvsicelement.com/product/aluminum-braid-for-sic-heater/) - [](https://cvsicelement.com/product/stainless-steel-c-clamps/) #### [Stainless Steel C Clamps](https://cvsicelement.com/product/stainless-steel-c-clamps/) - [](https://cvsicelement.com/product/stainless-steel-g-type-clamp/) #### [Stainless Steel G Clamps](https://cvsicelement.com/product/stainless-steel-g-type-clamp/)