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Silicon Carbide Heating Elements Complete Specifications

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Silicon Carbide Heating Elements Complete Specifications

Brand Name : Spark

Model Number : All-Type

Certification : SGS

Place of Origin : He'nan, China

MOQ : 10Pcs

Price : Negotiable

Payment Terms : T/T, L/C

Supply Ability : 100000 PCS/Month

Delivery Time : 7-30 Days

Packaging Details : Standard Wooden Case with Sponge and Carton inside

Product Name : DM Silicon Carbide Heating Element

Condition : New

Material : Silicon Carbide (SiC)

Shape : W/SC/SCR/DB/G/H/DM

Power Source : Electric

Working Temperature : up to 1450℃

Application : Electric Furnaces

After-sales Service : Online Support

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Silicon Carbide Heating Elements Complete Specifications

Silicon Carbide Heating Element General Description

Silicon carbide heating element is a kind of non-metal high temperature electric heating element. It is made of selected high quality green silicon carbide as main material, which is made into blank, siliconization under high temperature and recrystallized. It is the most popular type of economical heating element capable of operating under hot and rigorous environments.

Silicon Carbide Heating Element Features

1. withstands as high as 1600°C

2. high strength and excellent shock resistance

3. heat source is free of noise and air pollution

4. anti-oxidization, anti- corrosion

5. easy to installation and maintenance

Applications of Silicon Carbide Heating Element

There are ED, U, W, H, Gun, Single Spiral, Double Spirals, Dumbbel, Door-like types and etc. which are widely used in various high temperature electric furnaces in air, vacuum and other protection gas environments and other electric heating devices, such as industries of magnet, ceramics, powder metallurgy, glass and machinery, etc.

Normally the following should be given when describing any type of SiC heating elements:

  • Type: ED, U, W, SC, SCR, DB,G, H, or DM
  • Outside Diameter (OD) : mm
  • Length of Hot Zone (HZ) :mm
  • Length of Cold Zone (CZ) :mm
  • Length of Overall(OL):mm
  • Center Distance (A) :mm
  • Resistance (at 1050℃+/-50℃) :Ω

Physical property of SIC heating element

specific gravity2.6~2.8g/cm³bend strength>300kg
hardness>9MOH’Stensile strength>150kg/cm³
porosity rate<30%radiance0.85

Recommended surface load and Influences to Surfaces of the Elements in Different Operating TemperatureS

atmosphereFurnace Temperature(°C)Surface Load(W/cm2)The influence on the Rod
Ammonia12903.8The action on SiC produces methane and destroys the protection film of SiO2
Carbon dioxide14503.1Corrode SiC
Carbon monoxide13703.8Absorb carbon powder and influence the protection film of SiO2
Halogen7043.8Corrode SiC and destroy the protection film of SiO2
Hydrogen12903.1The action on SiC produces methane and destroys the protection film of SiO2
Nitrogen13703.1The action on SiC produces insulating layer of silicon nitride
Sodium13103.8Corrode SiC
silicon dioxide13103.8Corrode SiC
Oxygen13103.8SiC oxidized
Water-vapor1090-13703.1-3.6The action on SiC produces hydrate of silicon
Hydrocarbon13703.1Absorb carbon powder resulted in Hot pollution

Notice for using and installing:

1. Heater should be protected against damp during storing or installing to ensure the performance of the heater.

2. In order to be sure of well-distributed lod of each and groups, heater should be divided before assembling. The tolerance of the resistance of each one cannot exceed by 10% each other.

3. Heater is hard and brittle, please be careful when assembling and maintaining so as to avoid damage.

4. When operating the electric furnace at the beginning, the voltage should be increased slowly and cannot be fully loaded at once. Otherwise the larger current will be resulted in the damage of heater.

5. When heater is damaged and need to be changed, the resistance of new one should follow the increasing resistance. If many are damaged or resistance increased too much, heater should be changed.

Product Tags:

DM Silicon Carbide Heating Element


DM SIC heater element


SCR SIC heater element

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