What is slot type sic heating element ?

The slot type SiC heating element is manufactured with a spiral-grooved heating section which is made of homogeneous, high-density silicon carbide crystals.

Slot type sic heating element
Slot type sic heating element

It is more resistant to heat and corrosion than conventional products. It is also able to withstand operations in rigorous conditions.

Also called Ux type Sic resistance / sic heater / silicon carbide heater rod
SiC ContentAbove 99%
MaterialSilicon carbide, Silicon Carbide (SiC)
Power SourceElectric
Production processMade into blank, silicided under high temperature and re-crystallized.
ApplicationIndustrial Heating Parts
ClassificationFurnace heater
Flexure strength98MPa
Porosity5%
Heat conductivity (hot end)16-21W/m+℃ at 1000℃
Specific heat1.0 kj/kg+℃ at 25℃-1300℃
Specific resistance (hot end)0.016Ω cm at 1000℃
The coefficient of thermal expansion4.5×10-6

Slot type sic heating element model number and reference data

Dimension of Slot type sic heating element

Dia(mm) Nominal(at 1050°C)
Hot Zone Cold End
Ω/mm W/mm Ω/mm W/mm
18.0 0.01938 8.48 0.00129 0.56
20.0 0.01420 9.42 0.00095 0.63
25.0 0.00902 11.78 0.00060 0.79
30.0 0.00615 14.13 0.00040 0.94
Slot type sic heating elements electric heating
Slot type sic heating elements electric heating

Physical Properties

Physical Properties of Silicon Carbide Heating Elements

specific gravity 2.6~2.8g/cm3 Bend strength >300kg
Hardness >9MOH’S Tensile strength >150Kg.cm3
Porosity rate <30% Radiancy 0.85
Thermal Conductivity 14-19W/m·℃
(1000℃)
Specific Heat 1.0kj/kg·℃
(25~1300℃)
Rupture Strength 50Mpa(25℃) Coefficient Of Thermal Expansion 1.0kj/kg·℃
(25~1300℃)

The application of the slot type SiC heating elements

Slot type sic heating element is often used for heating and insulation of aluminum liquid and zinc liquid.

Slot type sic heating elements
Slot type sic heating elements

When you inquiry, Please inform us

  • Outer diameter (OD)
  • Length of Hot zone (HZ)
  • Cold end length(CZ)
  • Length of Overall (OL)
  • Vottage and Wattage
  • Quantity
  • Examples:
  • UX type,OD=30mm,HZ=400mm,CZ=300mm,
  • OL=700mm,Resistance2.76Ω
  • Specify as:
  • Sunshine slot(UX)type sic heating elements, 30/400/700/2.76Ω
Slot type sic heating elements drawing
Slot type sic heating elements drawing