Cartridge heaters are widely used for precision heating in molds, dies, and metal parts.

Discover durable and high-performance cartridge heaters designed for precise temperature control in industrial applications. Ideal for plastic molding, packaging, and medical equipment. Custom sizes and watt densities available to fit your needs.

Cartridge Heater | High-Quality Industrial Heating Element for Precise Temperature Control

Cartridge heater is used for mold core heating, hot runner manifold heating and high density thermal support in injection molding systems. It provides fast heat-up, uniform temperature, stable insulation and long lifetime performance in continuous production lines.

3D printer cartridge heater

🧩  Precision Heating for Additive Manufacturing

A 3D print cartridge heater is a high-efficiency cylindrical heating element specifically engineered to provide precise, uniform heat for 3D printer hot ends, extruders, and heated beds.
Manufactured from premium stainless steel and high-grade magnesium oxide insulation, it ensures fast heat transfer, stable temperature control, and long-lasting performance in compact spaces.

Internal wiring Cartridge heater

An internal wiring cartridge heater is a compact, high-density heating element designed for precise heat transfer and durable performance in industrial applications.
Unlike external lead designs, its internal wiring configuration provides better protection for connection points, ensuring enhanced safety, clean appearance, and longer service life in high-temperature environments.

Cartridge Heater for Mold, Hot Runner & Packaging Applications

Cartridge heater is a compact and efficient heating element designed for precise heat transfer in industrial molds, hot runner systems and packaging sealing bars. Our cartridge heaters feature high watt density, long service life, and excellent thermal conductivity, ensuring uniform temperature and reliable performance in demanding production environments.

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Cartridge Heater Applications & Use Cases

Cartridge Heater Applications & Use Cases

Discover the wide applications of Cartridge Heaters in industries like plastic processing, food manufacturing, metal treatment, and more. These heaters ensure stable heating and optimal production quality.

Plastic Processing & Extrusion Equipment

Application: Cartridge heaters are commonly used in plastic extrusion machines, injection molding machines, and other processing equipment. They provide uniform heating to ensure the plastic material remains in the ideal molten state throughout the manufacturing process.

Example Case: In plastic extrusion, cartridge heaters are installed within molds and heating pipes to heat the plastic material, preventing premature cooling and ensuring smooth production.

Packaging Machinery

Application: Cartridge heaters are used in packaging machines such as heat sealing machines and bagging machines. These heaters ensure consistent and efficient sealing of packaging materials, preventing leaks or material wastage.

Example Case: In a heat sealing machine, cartridge heaters are used to heat the sealing bars, ensuring tight and reliable seals on packaging bags, improving packaging quality.

Food Processing & Baking Equipment

Application: Cartridge heaters are frequently used in food manufacturing equipment, such as baking ovens and chocolate melting units. They provide precise heating to ensure high-quality food products and optimal processing efficiency.

Example Case: In chocolate production, cartridge heaters are used to melt chocolate, preventing it from cooling too quickly or solidifying, ensuring ideal flow and processing efficiency.

Metal Heating & Heat Treatment Equipment

Application: Cartridge heaters are used in metal heating and heat treatment applications, ensuring uniform heating of metal components to enhance processing efficiency and product quality.

Example Case: In metal casting, cartridge heaters are used to maintain the temperature of metal molds, ensuring there are no temperature discrepancies that could lead to defects in the final product.

Semiconductor Manufacturing

Application: In semiconductor production, cartridge heaters are used to heat wafers and other precision components, providing stable temperature control to ensure chip quality.

Example Case: During semiconductor sintering, cartridge heaters help maintain the required temperatures within equipment, improving production efficiency and precision.

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Cartridge Heater Technical Advantages

Cartridge Heater Technical Advantages

Learn about the technical advantages of Cartridge Heaters, including precise temperature control, energy efficiency, high durability, and more. These benefits make Cartridge Heaters an essential component in various industrial heating applications.

Precise Temperature Control

Advantage: Cartridge heaters provide highly accurate temperature control, ensuring stable and even heat distribution throughout the heating process. This is crucial for industries requiring precise temperature regulation such as plastic processing, metal heat treatment, and semiconductor manufacturing.

Benefit: Prevents overheating or uneven cooling, ensuring consistent product quality and improved production efficiency.

Fast Response Time

Advantage: Cartridge heaters heat up quickly, reaching the desired temperature rapidly and maintaining stability throughout operation. This makes them ideal for applications where quick heat-up times are essential, such as packaging machinery and food processing.

Benefit: Reduces production cycle time, saves energy, and improves overall operational efficiency.

Compact Design

Advantage: The compact design of cartridge heaters makes them easy to install in machines and equipment, even in tight or confined spaces.

Benefit: Saves valuable space in equipment setups without compromising heating efficiency, making them ideal for complex industrial machinery.

High Thermal Efficiency

Advantage: Cartridge heaters offer excellent thermal conductivity, quickly transferring heat to the targeted area with minimal energy loss.

Benefit: Increases overall heating system efficiency, reduces energy consumption, and lowers operating costs.

High Temperature Resistance

Advantage: Cartridge heaters are designed to withstand temperatures up to 1000°C or higher, making them suitable for high-temperature applications such as metal processing and plastic extrusion.

Benefit: Ensures long-lasting performance even in extreme working conditions, making them ideal for demanding industrial applications.

Durability and Long Service Life

Advantage: Manufactured with high-quality materials such as stainless steel and ceramic, cartridge heaters are highly resistant to corrosion and wear.

Benefit: Offers long-term reliability and reduces the frequency of replacement, ultimately lowering maintenance costs.

Customizable Shapes and Sizes

Advantage: Cartridge heaters can be customized to fit various shapes, sizes, and power ratings, allowing them to meet specific industrial heating needs.

Benefit: Provides flexibility to adapt to different equipment and applications, enhancing versatility in industrial processes.

Low Energy Consumption

Advantage: Cartridge heaters are designed to be energy-efficient, converting electrical power into heat effectively while minimizing energy loss.

Benefit: Helps reduce energy bills and supports sustainable practices, making them an eco-friendly choice for industrial heating systems.

Easy Installation and Replacement

Advantage: Thanks to their standardized design, cartridge heaters are easy to install and replace, with minimal tools or technical expertise required.

Benefit: Reduces downtime for installation and maintenance, helping to keep production lines running smoothly.

Vibration Resistance and Anti-interference

Advantage: Cartridge heaters are designed to resist mechanical vibration and external interference, ensuring stable operation even in high-vibration environments.

Benefit: Ideal for use in equipment subjected to constant motion, such as extrusion machines and metalworking equipment, ensuring consistent heating performance.

Learn More About Cartridge Heaters and Their Benefits

Why Choose Cartridge Heater?

  • High watt density design for efficient and focused heating
  • Made with stainless steel or Incoloy sheath for corrosion resistance
  • Fast heat transfer and uniform temperature control
  • Custom sizes, wattage, and voltage for OEM systems
  • Long lifespan and stable operation for continuous production

Cartridge Heater Applications

Cartridge heaters are used in precision industrial heating systems for the following applications:

  • Injection mold heating for plastic molding machines
  • Hot runner manifolds and nozzles
  • Packaging sealing bars and heat sealing systems
  • Medical, food, and lab heating devices
  • Industrial dies, plates, and tools

Industry Usage of Cartridge Heater

Our cartridge heaters are widely used in precision heating zones across multiple industries. By using high watt density design and high purity MgO insulation, they offer stable, consistent temperature control for industrial production lines.

  • Plastic Injection Mold: heating cores, cavities, hot runner manifolds, nozzles and mold inserts to maintain melt flow and perfect molding quality.
  • Food & Beverage Packaging: heating sealing jaws, cutting blades and packaging forming equipment for fast sealing and higher output efficiency.
  • Automation Sealing Machine: precision temperature control for continuous sealing modules in automated packaging and high speed assembly equipment.

Our cartridge heaters improve heating uniformity, extend equipment lifespan, reduce machine downtime and ensure better product consistency.

Technical Specification

Temperature RangeUp to 800°C (High Watt Density)
Watt DensityUp to 25 W/cm² / Custom watt density available
Voltage110V / 220V / 230V / 380V / Custom
Diameter Range3mm – 25mm (1/8" – 1")
Length Range30mm – 500mm
Sheath Material304 Stainless Steel / 316 Stainless Steel / Incoloy 800
InsulationHigh Purity Magnesium Oxide (MgO)
Heating WireNiCr 80/20 resistance wire
Termination TypePTFE lead wire / Fiberglass lead wire / SS braided / Ring terminal / Custom

Recommended Cartridge Heater Types

To fit different industrial temperature ranges and heating performance requirements, we supply the following cartridge heater options for OEM production and engineering upgrades:

  • High Watt Density Cartridge Heater: designed for extreme temperature and fast heating in hot runner manifolds.
  • Low Density Cartridge Heater: suitable for continuous long-term heating with lower thermal stress.
  • Split Cartridge Heater: easy installation and replacement without disassembling molds or tooling plates.
  • Swaged Cartridge Heater: compact structure with maximum thermal conductivity and longer service life.

All solutions support customized diameter, length, voltage, wattage and termination.

Material & Construction Options

Industrial cartridge heaters from Easewise are manufactured using high grade metal sheath and high purity insulation materials, allowing maximum thermal conductivity and stability under continuous heating cycles.

  • Stainless Steel 304 Cartridge Heater: standard corrosion resistant design for general molding & packaging applications.
  • Stainless Steel 316 Cartridge Heater: superior corrosion resistance in food, medical & chemical heating systems.
  • Incoloy 800 Cartridge Heater: extreme high temperature resistance for hot runner manifolds and metal injection molding.
  • High Purity MgO Insulation: ensures fast heat transfer, stable thermal conductivity and extended heater lifespan.
  • NiCr Resistance Wire: stable electrical performance and long heating life cycle under high watt density conditions.

Material selection depends on operating temperature, chemical environment and heater watt density requirement.

Request Price for Cartridge Heater

Tell us your size, wattage and voltage. We’ll reply within 12 hours.

Contact 1: Amy / WhatsApp: +86 18883188154 / Email: amy-easewise@tzheater.com

Contact 2: Hanna / WhatsApp: +86 17351636811 / Email: hanna-easewise@tzheater.com

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Cartridge Heater FAQ

What is a cartridge heater used for?

A cartridge heater is used for heating metal molds, hot runner nozzles, and packaging sealing bars where compact, efficient heat is required.

Can cartridge heaters be customized?

Yes, we provide custom diameter, length, wattage, voltage, lead wire type, and termination options for all cartridge heaters.

What is the temperature limit of a cartridge heater?

Our cartridge heaters can operate up to 800°C with proper heat dissipation and temperature control.