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Silicon Carbide Heating Elements - Straight Rod

Silicon Carbide Heating Elements - Straight Rod

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The S4R Silicon Carbide Heating Elements — Straight Rod are high-temperature electrical resistance heating elements designed for laboratory furnaces, tube furnaces, muffle furnaces and thermal-processing systems.

Manufactured from silicon carbide (SiC), each straight element incorporates a defined central heating zone and two terminal cold-end sections for integration into compatible furnace electrical systems.

The S4R range includes several standard combinations of element diameter, heating-zone length, overall length and temperature grade, covering commonly used laboratory furnace configurations. Custom dimensions and electrical resistance specifications are also available on request.

For correct selection, the element dimensions alone are not sufficient: the required nominal resistance and electrical configuration must be matched to the furnace power system.

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Key Features

✓ Silicon carbide resistance heating element
✓ Straight rod configuration
✓ Defined central heating zone
✓ Cold-end terminal sections at both ends
✓ 1500°C and 1650°C element grades available
✓ Custom dimensions and resistance specifications available

Typical Applications

• Laboratory tube furnaces
• Muffle furnaces
• High-temperature thermal processing
• Ceramic and materials sintering
• Heat-treatment systems
• Replacement and custom furnace heating assemblies
Technical Specifications
Product Type Silicon carbide resistance heating element
Material Silicon carbide (SiC)
Geometry Straight rod
Heating Principle Electrical resistance heating
Temperature Grades 1500°C / 1650°C depending on selected configuration
Standard Diameters 12 mm / 14 mm / 16 mm
Nominal Resistance Application-dependent — specify when ordering
Custom Configurations Available on request
Standard Configurations
Diameter Heating Zone Overall Length Grade
14 mm 152 mm 368 mm 1500°C
14 mm 150 mm 413 mm 1500°C
12 mm 300 mm 520 mm 1500°C
16 mm 185 mm 525 mm 1500°C
12 mm 150 mm 374 mm 1650°C
12 mm 150 mm 415 mm 1650°C
12 mm 300 mm 520 mm 1650°C
Element Selection
Diameter Match the mechanical installation and furnace support geometry
Heating Zone Match the required active furnace heating region
Overall Length Match the furnace chamber and terminal arrangement
Nominal Resistance Must be selected according to the furnace electrical design
Technical Notes
• Element dimensions and nominal resistance should both be verified before installation.
• For furnaces using multiple elements, resistance-matched elements may be required according to the electrical design.
• Silicon carbide heating elements are brittle and should not be subjected to excessive mechanical stress during installation.
• Maximum recommended operating conditions depend on the selected element grade, atmosphere and furnace configuration.
• Voltage and power requirements depend on the selected resistance and complete furnace electrical system.
Supply
1 × Silicon Carbide Heating Element — Straight Rod
Electrical terminals, connectors and furnace mounting hardware not included unless otherwise specified
Custom Configurations
Alternative diameters, heating-zone lengths, overall lengths and nominal resistance specifications are available on request.

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