High-Density Cartridge Heater
High-Density Cartridge Heater is designed for rapid heating, high heat transfer and demanding industrial applications where high power output is required in a compact heating element. Compared with a standard cartridge heater, its higher watt density allows faster heat-up and concentrated heating in close-fit installations.
Our high-density cartridge heaters are available in stock sizes and can also be custom-made according to your required diameter, heated length, voltage, power and watt density.
For general industrial heating applications, see our
Standard Cartridge Heater.
For compact heating equipment with limited installation space, our
Miniature / Micro Cartridge Heater
is another suitable option.
Product Specifications
| Item | Specification |
|---|---|
| Product Type | High-Density Cartridge Heater |
| Outer Diameter | 6mm – 20mm standard range, custom sizes available |
| Heated Length | Custom-made according to application requirements |
| Voltage | 12V – 480V, common 220V / 380V |
| Power | Custom-made according to diameter and heated length |
| Watt Density | 18 – 35 W/cm², depending on design and application |
| Sheath Material | SUS304 / SUS321 / SUS316L / Inconel 600 |
| Insulation | High-purity Magnesium Oxide (MgO) |
| Lead Wire | High-temperature fiberglass wire / silicone wire / metal braided sleeve |
| Maximum Working Temperature | Up to 760°C depending on heater construction and sheath material |
High-Density Heating Performance
Our High-Density Cartridge Heater can provide a watt density of approximately
18–35 W/cm², allowing faster heat-up and higher localized heating performance than standard cartridge heaters.
The actual maximum watt density depends on the heater diameter, heated length, installation fit, material being heated and operating conditions.
- Rapid temperature rise
- High power output in a compact heating element
- Suitable for close-fit metal bore installations
- Designed for demanding short-cycle heating applications
- High-purity MgO insulation for efficient heat transfer
- Custom watt density available according to application requirements
Stock High-Density Cartridge Heater Sizes
The following sizes are available as standard stock models.
Custom voltage, power, diameter and heated length are also available.
| Diameter (mm) | Heated Length (mm) | Voltage | Power (W) | Watt Density (W/cm²) | Stock Status |
|---|---|---|---|---|---|
| Φ6 | 60 | 220V | 220 | 19.5 | Stock |
| Φ6 | 80 | 220V | 280 | 18.5 | Stock |
| Φ8 | 80 | 220V | 380 | 18.8 | Stock |
| Φ8 | 100 | 220V | 480 | 19.1 | Stock |
| Φ8 | 120 | 220V | 580 | 19.2 | Stock |
| Φ10 | 100 | 220V | 600 | 19.1 | Stock |
| Φ10 | 120 | 220V | 750 | 19.8 | Stock |
| Φ10 | 150 | 220V | 900 | 19.1 | Stock |
| Φ12 | 100 | 220V | 850 | 22.5 | Stock |
| Φ12 | 120 | 220V | 1000 | 22.1 | Stock |
| Φ12 | 150 | 220V | 1200 | 21.2 | Stock |
| Φ12 | 200 | 220V | 1450 | 19.2 | Stock |
| Φ16 | 150 | 220V | 1600 | 19.8 | Stock |
| Φ16 | 200 | 220V | 2100 | 20.8 | Stock |
Custom High-Density Cartridge Heaters
In addition to stock sizes, we manufacture custom High-Density Cartridge Heaters according to customer drawings, samples or application requirements.
- Custom outer diameter
- Custom heated length and overall length
- Custom voltage and power
- Custom watt density
- Straight or special lead-out configurations
- SUS304 / SUS321 / SUS316L / Inconel 600 sheath options
- Custom lead-wire length and wire type
Send us your required diameter, heated length, voltage and power for a custom quotation.
Applications
- Hot runner nozzles and hot runner mold systems
- High-speed injection molds and precision mold inserts
- Die-casting nozzles and hot stamping tools
- Heat-sealing jaws and high-speed packaging machinery
- Plastic extruder local heating
- Short-cycle rapid heating equipment
- Automation machinery requiring fast temperature rise
- Test fixtures and laboratory rapid-heating blocks
FAQ
Q: What is the maximum watt density of your High-Density Cartridge Heater?
A: Depending on the heater design and operating conditions, our high-density cartridge heaters can reach approximately
35 W/cm². The recommended watt density should be selected according to the bore fit, material being heated and operating conditions.
Q: Do you have High-Density Cartridge Heaters in stock?
A: Yes. We keep a range of common diameter, length, voltage and power combinations in stock.
Please check the stock table above or contact us for current availability.
Q: Can you manufacture custom sizes?
A: Yes. We support OEM customization based on drawings, samples or your required diameter, heated length, voltage and power.
Q: What applications are suitable for high-density cartridge heaters?
A: They are commonly used in hot runner systems, injection molds, die-casting nozzles, heat-sealing equipment, packaging machinery and other applications requiring rapid localized heating.
Related Cartridge Heater Products
Different heating applications require different cartridge heater designs. Explore our related cartridge heater products:
Standard Cartridge Heater
– A general-purpose cartridge heater for molds, heating blocks, packaging machinery and industrial heating equipment.
Miniature / Micro Cartridge Heater
– Designed for compact equipment and applications where installation space is limited.
Request a High-Density Cartridge Heater Quote
Need stock sizes or a custom heater? Contact our sales team directly.
Please send your required diameter, heated length, voltage, power and quantity.
Amy – Sales
Email:
Amy-Easewise@tzheater.com
WhatsApp:
+86 188 8318 8154
Hanna – Sales
Email:
Hanna-Easewise@tzheater.com
WhatsApp:
+86 173 5163 6811
Stock available. Custom sizes supported. Contact us for pricing, availability and OEM production.
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