Coil Heaters for Hot Runner Injection Molding
- Stainless Steel Coil Heater — Suitable for high-temperature applications and environments involving corrosive polymers.
- Brass Coil Heater — High thermal conductivity for fast heat transfer and efficient heating in molding applications.
Stainless Steel Coil Heaters
Stainless steel coil heaters are suitable for applications requiring durability, corrosion resistance, and stable high-temperature performance. SS304 or optional Inconel sheaths provide protection in demanding heating environments.Applications
- Injection molding nozzle and manifold heating
- Automotive and precision plastic parts molding
- Closure cap and PET bottle production
- Medical consumable molding
- Packaging film sealing equipment
- Industrial dies and cylindrical equipment
Key Features
- Suitable for continuous thermal cycling
- Fast heating response
- Uniform heat distribution
- Corrosion-resistant stainless steel sheath
- Custom OEM configurations available
Brass Coil Heaters
Brass coil heaters provide high thermal conductivity and fast heat transfer for injection molding, PET preforms, packaging, and other applications requiring rapid temperature response.Key Benefits
- High Thermal Conductivity — Efficient heat transfer for faster heating.
- Fast Temperature Recovery — Supports stable heating during rapid production cycles.
- Cost-Effective — Suitable for high-volume production.
- Compact Design — Fits cylindrical surfaces and limited installation spaces.
Typical Applications
- Hot runner nozzle heater applications
- PET preform production
- Packaging injection molding
- Plastic housing molding
- Thin-wall injection molding
- Valve gate runner temperature control
Technical Specifications
| Parameter | SS Coil Heater | Brass Coil Heater |
|---|---|---|
| Max Operating Temp | 800°C | 800°C |
| Wattage | 50W – 6KW | 50W – 6KW |
| Voltage | 110V / 220V / 230V / 380V / Custom | 110V / 220V / 380V / Custom |
| Heating Wire | NiCr 80/20 | NiCr 80/20 |
| Insulation | High purity MgO powder | High purity MgO powder |
| Sheath | SS304 / Inconel (optional) | Brass |
| Lead Type | SS braided / Teflon / Custom | SS braided / Teflon / Custom |
| Diameter | Custom according to equipment and heating requirements | Custom according to equipment and heating requirements |
Request a Quote
Tell us your diameter / width / watt density / voltage. We reply within 12 hours.
Amy: +86 18883188154 | amy-easewise@tzheater.com
Hanna: +86 17351636811 | hanna-easewise@tzheater.com
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Frequently Asked Questions
These heaters are used for hot runner injection molding, manifold heating, nozzle heating, and precise plastic melt temperature control.
SS coil heaters offer higher corrosion resistance and are suitable for aggressive resins. Brass coil heaters provide faster heat transfer and are ideal for high-speed molding cycles.
Yes, we customize diameter, wattage, voltage, lead termination, and sheath material based on your hot runner system specifications.
Both SS and Brass coil heaters can operate up to 800°C.
Standard models: 3–7 days. Customized orders: 7–12 days.
Explore Our Coil Heater Solutions
EaseWise provides customized coil heaters for injection molding, hot runner systems, extrusion equipment, and other industrial heating applications. Our coil heaters are available with different materials, dimensions, wattages, and lead wire configurations to meet specific equipment requirements.
Explore our complete Coil Heater solutions for precision heating applications, including nozzle heaters, hot runner heaters, and custom industrial heating elements.