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Cartridge heater manufacturer
The Art of Precision Heating
Elekheat specializes in manufacturing high-performance cartridge heaters, providing efficient, durable, and safe heating solutions for global industries.
- High Efficiency & Energy Saving
- Safe & Reliable
- Customization Services
Comprehensive Range of Industrial Cartridge Heaters.
High-Density Cartridge Heaters
Engineered for applications requiring rapid heating and high wattage output.
Low Watt Density Cartridge Heaters
Ideal for environments demanding uniform temperatures or with space constraints.
Cartridge Heaters with Thermocouple
For precise temperature control, ensuring process stability.
Ceramic Cartridge Heaters
Providing superior insulation and high-temperature performance.
Miniature Cartridge Heaters
Perfectly suited for extremely compact, precision heating applications.
Threaded Cartridge Heaters
Designed for easy installation and removal, ensuring secure connections.
Immersion Cartridge Heaters
Optimized for efficient and safe liquid heating applications.
Finned Cartridge Heaters
Enhancing surface area for improved heat transfer, ideal for air heating.
Specialized Cartridge Heaters
Including firerod cartridge heater and Split Sheath Cartridge Heaters, to address unique industrial requirements.
We provide a full cartridge heater size selection to match industry-standard and custom-designed equipment.
Diameters
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Standard: 6mm cartridge heater, 8mm, 10mm, 12.5mm
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Imperial: 1/8”, 1/4”, 3/8”, 1/2”, 5/8”, 3/4”
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Custom diameters available upon request
Length Range
20 mm – 1500 mm (depending on diameter)
Voltage Options
12V / 24V / 48V / 110V / 120V / 220V / 230V / 380V
Watt Density Levels
- Low watt density
- Standard watt density
- High watt density (up to 40 W/cm²)
Applications of Cartridge Heaters
Our heaters are widely used in
Mold heating
Plastics injection molds, die-cast dies, rubber vulcanization, hot runners
Plastics & packaging
Extruder barrels, sealing jaws, shrink tunnels
Chemical
Reactors, distillation columns, tank tracing, salt/oil baths, dryers
Semiconductor
Wafer baking, vacuum coaters, eutectic soldering
Medical & food
Sterilizers, chocolate melters, lab ovens, fryers
Appliances
Coffee makers, steam irons, hair dryers, mini heaters
Aero/auto/energy
Aircraft pre-heat, battery warming, 3-D glass molds, molten-salt storage
Special industry
Hot staking, tobacco, shoe machines, robotics tips
Quality Testing & Inspection
Every heater undergoes rigorous cartridge heater testing, including
Insulation resistance test
Dielectric strength test
High-temperature burn-in
Resistance & wattage verification
Dimensional accuracy inspection
Lead integrity validation
These quality checks guarantee safe operation and stable long-term performance.
Tailored to Your Specifications: Custom Cartridge Heaters.
We understand that standard products cannot fulfill all application needs. We specialize in providing custom cartridge heaters, transforming your unique requirements into highly efficient heating solutions. Our customization options include:
Size and Shape
Diameter, length, and specific geometries for any cartridge heater element can be customized.
Wattage and Voltage
Precisely matched to your process requirements, from low to high wattage settings.
Material Selection
Offering a variety of sheath materials, such as stainless steel and Incoloy, to suit diverse operating conditions.
Lead Wire Type and Length
Adapting to various installation and electrical connection demands.
Integrated Sensors
Options for cartridge heater with built-in thermocouple or other sensors for seamless temperature monitoring.
Special Coatings and Surface Treatments
To enhance corrosion resistance or specific heat transfer properties.
Why Choose Our Industrial Cartridge Heaters
Our industrial cartridge heaters are built with advanced swaging, precision winding, and high-purity MgO filling to ensure maximum longevity and thermal efficiency.
Key Performance Advantages
Uniform temperature output
Fast heating rate
High insulation resistance
Extended lifespan
Tight tolerances (±0.02–0.05 mm)
High-temperature operation (up to 870°C with Incoloy sheath)
Material Options
Stainless steel cartridge heater – best for general industrial use
Incoloy cartridge heater – ideal for high-temperature and corrosive environments
Why Elekheat: Your Strategic Partner for Industrial Heating.
By choosing Elekheat, you gain:
- Unmatched Expertise: An engineering team with over 20 years of experience, deeply understanding diverse industry applications.
- Innovation-Driven Solutions: Continuous R&D investment ensures our heating cartridge solutions remain at the industry forefront.
- Exceptional Delivery & Responsiveness: We commit to responding to quotes within 24 hours and completing customized product manufacturing and delivery within a minimum of 15 days, minimizing your downtime.
- Global Efficiency: High-quality products, manufactured in China, are quickly and reliably delivered to leading enterprises in 38 countries worldwide.
- Comprehensive Quality Assurance: A rigorous quality management system ensures every electric cartridge heater complies with international certifications like UL and CE.
We have become the preferred partner for global clients, and we look forward to becoming your strategic partner.
I’m Jaxon, Head of Sales at ELEKHEAT. My team and I would love to meet with you to learn about your business, needs, and expectations.
Celia
Paul
Jessica
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Understanding Your Industrial Heating Cartridge: Key Parameters & Performance.
To assist you in making an informed decision, we offer a deep dive into critical cartridge heater parameters
Watt Density
This is the key differentiator between high-density cartridge heaters and low watt density cartridge heaters. High-density heaters provide faster heating and higher surface temperatures, suitable for molds and platens; low-density heaters are better for air and liquid heating, offering gentler, more uniform heat.
Temperature Accuracy
Our cartridge heater with thermocouple and advanced control systems allow for sub-degree temperature accuracy, often exceeding industry standards.
Durability
Through carefully selected materials and advanced manufacturing processes, our heating element cartridge exhibits excellent mechanical strength and corrosion resistance, ensuring long-term stable operation in harsh industrial environments.
Thermal Efficiency
Optimized internal construction and fill materials ensure heat is efficiently transferred to the heated body, reducing energy consumption.
Safety Features
All our resistive cartridge heaters comply with strict safety standards and can integrate over-temperature protection devices to ensure operational safety.
Cartridge Heaters FAQ & Technical Resources
A cartridge electrical heater is shaped cylindrically and typically used for heating metal dies, platens, liquids, or gases. It converts electrical energy into heat via a resistance wire, characterized by fast heating and precise temperature control.
Accurate cartridge heater wattage calculation requires considering the mass and material of the heated object, desired temperature rise, heating time, and heat loss. Our engineers can assist you with detailed calculations.
Cartridge heater installation is crucial, requiring a tight fit and good heat transfer. We provide detailed installation guidelines to prevent air gaps that can lead to premature failure.
High-density cartridge heaters refer to heaters with higher power output per unit area. They are typically used in applications requiring rapid, concentrated heating, such as mold heating.
Correct cartridge heater wiring diagrams and the use of a cartridge heater controller are key to safe and efficient operation. We provide wiring diagrams and professional temperature control system integration services, including options for cartridge heater with thermostat and external controllers.
The cartridge heater price varies based on customization level, materials, and volume. We are committed to providing the most cost-effective solutions; please contact us for a customized quote.
