Customize Pencil Heater For Plastic Machine Applications: cartridge heating mlement general information A cartridge heater is a tube-shaped, heavy-duty, industrial joule heating element (electrical resistance) used in the process heating industry, usually custom manufactured to a specific watt...
A cartridge heater is a tube-shaped, heavy-duty, industrial joule heating element (electrical resistance) used in the process heating industry, usually custom manufactured to a specific watt density, based on its intended application. Highly compacted they reach a surface watt density of up to 30 w/cm².
It may be used to heat any kind of substance or material, such as oil, air, or sugar. However, a common application is plastic pellets, which are melted in order to form molded plastic parts. An example of such a process is the "hot runner" process. Cartridge heaters resemble tubular heaters structurally but tend to have higher watt densities.
Characteristics & Properties
Tube diameter: Φ2.5mm-Φ35mm
Tube Material: SS304, SS316, SS321 and NICOLOY800 etc
Insulation Material: High-purity MgO
Conductor Material: Ni-Cr or Fe-Cr-Al Resistance Heating Wire
Wattage density: high/middle/low (5-25w/cm2)
Lead Connection Option: Crimped or Swaged leads
Lead wire type: 10" Standard (Teflon/silicone high temperature fiberglass)
Not exceeding 30w/cm2 (advisable)
Depends on the dimension
Exhaust extreme (when cold)
<=0.1mA to 242 v.
Insulation (when cold)
5 Min Ohms 500 Watts minimum
750 Deg C max.
-0.02 to -0.06 mm
Cut off connection tolerance
Power tolerance (w)
+5 % - 10 %
Depends on length and diameter 5-25mm
Custom heaters, shapes and voltages are available on request.
Please contact us with your special requirements. We are pleased to contact you if you would like more information or want to discuss custom product availability and pricing.
Superb Heater Technology has been focused on the production of customize pencil heater for plastic machine since 1985, which is well-known as one of the leading manufacturers and suppliers of customize pencil heater for plastic machine. In the past years, we owned strong reputation for the high quality, reliable performance and strong durability of our products. Should you are interested, please feel free to contact our factory.
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