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high temperature resistance, good electrical conductirity, good herible - details see: https://www.machineto.com/internal-cartridge-heater-10245522

internal cartridge heater descriptions:

1. There is no the exposed wire connection determines this heater is the internal cartridge heater, we have to say it that this cartridge heater working life is longer than the external cartridge heater and the manufacturing process is very complex

2. different connection sleeves such as flexible metal sleeve, braided metal sleeve, stainless steel sleeve, protective spring (only welded).

3. Cartridge heaters are reasonable priced, easy to install

4. As a rule they consist of a cylindrical stainless steel tube and thus provide a high corrosion prevention.

5. There is a heating wire inside which is wound into a ceramic core. The number of coils varies depending on the power

6. the cartridge heater is filled with magnesium oxide and compressed to avoid a short-circuit.

7. good heat emission and the excellent control response.

8. The external cartridge heater also refer to general cartridge heater.

Internal cartridge heater classifies :

• According to whether have the exposed wire connection or not.
• External cartridge heater : hard stainless steel wire elicit from the interior heater, meet the high temperature wire outside .this technology is standard .the type is:HSM3-1
• Internal cartridge heater: high temperature wire elicit from the interior heater directly, this technology is high in the cost, but hard to broken line. the type is:HSM3-2
• soft lead wire cartridge heater: stainless steel soft wire elicit from the interior heater, latch the glass fiber sleeve outside .this technology is low in cost ,hard to broken line. the type is :HSM3-3

Internal cartridge heater applications:

In the plastics industry cartridge heaters are used in hot runner system,small mould heating ,plastic package ,Medical equipment plastic ,plastic injection molding machine nozzle heating, Package and cartridge is also used in the cigarette industry, footwear industry, thermoforming machinery.

Internal cartridge heater picture shows:

We can customize the cartridge heaters according to your needs. So my friend , just offer us your detailed specifications.