Stainless Steel Sheath Electric Cartridge Heaters With Internally Leads And Ceramic Cap

1. Product description:

Electric heater cartridge is made of MgO powder or MgO tube, ceramic cap, resistance wire(NiCr2080),high temperature leads, seamless stainless steel sheath(304,321,316,800,840). Usually in tube form, that is used in heating applications by way of insertion into metal blocks via a series of drilled holes.

2. Technical Details

1. Sheath material : Stainless Steel 316

2. OD range: 3mm-32mm

3. Heating element: high durance and high temperature NiCr2080 heating elements from Germany

4. Max working temperature: 400℃

5. Inside magnesium oxide insulation material: 99.99% high purity magnesium oxide

6. High voltage stability test:

7. Less than 0.5mA leak under 1000V for 30 seconds

8. The range of the Total Length: 25mm----2500mm

9. Maximum power density: 40w/cm²

10. Unheated zone: 10mm at lead end and about 5mm at bottom

11. Lead options:

A: Solid Nickel Pin: wire 300℃ or 500℃

B: Swaged in wire: 500℃ wire coming from inside

Specially selected High Purity
Magnesium Oxide

4. Applications:

Usually, cartridge heaters are used to heat solids such as injection presses heating plates or various tools;

On the other hand, they are also used for heating up water and gases under certain conditions.

Especially, it is widely used in automotive industry. Cartridge heaters are also commonly found in below area, 

Medical & Laboratory Apparatus
Shoe Making Industry
Die and platents

Hot Runner Bushings
Marking & Sealing Machinery
Packaging Industry