High Density Cartridge Heater Manufacturer in India
Looking for a reliable high-density cartridge heater manufacturer in India?
Trust Antique Heating Elements (AHE) for precision, durability, and high-performance cartridge heaters built for your industrial needs.
- ISO 9001:2015 & ISO 14001:2015 Certified
- 15+ Years of Manufacturing Expertise
- Custom Sizes & Industrial Solutions Available
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Antique Heating Elements
At Antique Heating Elements (AHE), we are a trusted manufacturer and supplier of High-Density (HD) Cartridge Heaters in India. These heaters are designed for precise, high-temperature heating in demanding industrial applications. With tight tolerances, high watt densities, and excellent heat transfer, our HD cartridge heaters deliver superior performance and long service life.
Backed by 15+ years of expertise and ISO 9001:2015 & ISO 14001:2015 certifications, AHE supplies custom-engineered high-density cartridge heaters used across industries like plastics, packaging, automotive, aerospace, and medical equipment manufacturing.
At Antique Heating Elements (AHE), we manufacture high-density cartridge heaters engineered for high-temperature and high-watt density applications. These heaters deliver exceptional performance in dies, molds, nozzles, and packaging machinery, where compact yet powerful heating is essential. With superior heat transfer and long service life, they are widely used in the plastics, automotive, and packaging industries.
High-density cartridge heaters are commonly paired with band type heaters (BTH) and mica heaters in extrusion and injection molding systems.
In hot runner and precision mold applications, they are supported by coil heaters and ring heaters for accurate and localized temperature control.
For larger machinery and heavy-duty heating requirements, industries may integrate them with casted heaters or furnace heaters to maintain stable and uniform heat distribution.
Additionally, high-density cartridge heaters are often combined with immersion heaters and circulation heaters
for applications requiring efficient and controlled fluid heating.
Key Features of High-Density Cartridge Heaters
- 🌡️ High Watt Density – Up to 150 W/in² for fast and efficient heating
- ⚡ Swaged Construction – Nichrome resistance wire compacted with high-purity MgO for excellent heat transfer
- 🛡️ Durable Sheath Options – Stainless Steel (SS304/SS316) and Incoloy for enhanced life
- 🔧 Custom Sizes – Available in diameters from 6 mm to 35 mm and lengths up to 2500 mm
- 🌍 Corrosion & Moisture Resistant – Reliable in harsh operating conditions
- 🔥 Optional Sensors – Can be supplied with built-in thermocouples or RTDs for temperature monitoring
Specifications :
- Diameter Range: 6 mm to 35 mm
- Length: Up to 2500 mm
- Material Options: SS304, SS316, Incoloy 800
- Voltage: 12V to 480V
- Operating Temperature: Up to 750–850 °C
- Watt Density: Up to 150 W/in²
- Termination Options: Flexible cable, threaded terminals, pin connectors, leads with ceramic beads
- Insulation: High-purity Magnesium Oxide (MgO)
Applications :
- Plastic injection and blow molding machines
- Hot runner manifolds and nozzles
- Packaging and sealing equipment
- Medical and laboratory devices
- Aerospace and defense industry equipment
- Metal dies, molds, and plates requiring precise heating
Why Choose AHE High-Density Cartridge Heaters?
✔ 15+ years of expertise in advanced cartridge heater manufacturing
✔ ISO 9001:2015 & ISO 14001:2015 certified production facility
✔ Custom-engineered heaters to suit specific industrial applications
✔ Tight tolerances ensure excellent contact and heat transfer
✔ Durable construction for long life under extreme conditions
FAQ's
1. What is a high density cartridge heater?
A high density cartridge heater is a compact cylindrical electric heating element designed to provide high watt density and efficient heat transfer. It is commonly used in molds, dies, packaging machines, plastic injection molding machines, hot runner systems, sealing equipment, and industrial heating applications.
2. How does a high density cartridge heater work?
A high density cartridge heater works by converting electrical energy into heat using a nickel-chromium resistance wire. The heating coil is insulated with high-purity magnesium oxide (MgO), allowing efficient heat transfer while maintaining electrical insulation.
3. What is the difference between a standard cartridge heater and a high density cartridge heater?
A standard cartridge heater operates at lower watt density and is suitable for general heating applications. A high density cartridge heater offers:
- Faster heating
- Higher operating temperatures
- Better heat transfer
- Longer service life
- Improved energy efficiency
4. What are the applications of high density cartridge heaters?
High density cartridge heaters are widely used in:
- Plastic injection molding machines
- Hot runner systems
- Packaging machines
- Food processing equipment
- Medical equipment
- Die heating
- Mold heating
- Printing machinery
- Textile machinery
- Laboratory equipment
- Industrial automation
5. What temperature can a high density cartridge heater reach?
Most high density cartridge heaters can operate continuously between 600°C and 750°C, depending on the sheath material, watt density, installation, and application.
6. What is the role of a high density cartridge heater manufacturer?
A cartridge heater is a cylindrical rod slid tightly into a precisely drilled hole within heavy metal molds, hot runner platens, or sealing bars.
Modern high density cartridge heaters factories utilize a process called swaging. The internal core is compressed under thousands of pounds of pressure, bringing the internal heating wire fractions of a millimeter away from the external sheath. This engineering milestone allows high-density variants to output extreme temperatures from miniature dimensions, making them vital for specialized automated machinery.
7. Which materials are used in high density cartridge heaters?
Common materials include:
- Stainless Steel 304
- Stainless Steel 316
- Incoloy
- Brass (special applications)
Heating wire:
- Nickel Chromium (NiCr 80/20)
Insulation:
- High Purity Magnesium Oxide (MgO)
8. Can cartridge heaters be repaired?
Most cartridge heaters are sealed units and are generally replaced rather than repaired. Regular inspection and preventive maintenance can maximize service life.
High-Density Cartridge Heater Comparison Table
Parameter | Details |
Material | SS304 / SS316 / Incoloy + Nichrome Wire + MgO Insulation |
Temperature Range | Up to 750–850 °C |
Applications | Molds, Dies, Hot Runners, Medical & Packaging Equipment |
Advantages | High watt density, rapid heating, long service life |
Product Details :
| High-Density Cartridge Heater | |
|---|---|
| Minimum Order Quantity : | 6 Pieces |
| Power (Watts) : | As per recommendation for the Process |
| Voltage : | As per recommendation for the Process |
| Size : | As per recommendation for the Process |
| Port of Dispatch : | Ghaziabad |
