Mica Band Heater Manufacturer

With over 17 Years of industry experience, JIEO’s mica band heaters are designed to deliver stable thermal performance, precision, and durability of cylindrical applications, from plastic processing to scientific testing. Offering a variety of customization band heater solutions for operating conditions and different heating applications.

Mica Band Heater

Mica band heaters are used across a wide range of heat applications and equipment. The most common industrial applications include injection molding machines, extruders, plastic processing, packaging, and pipe heating. Mica band heaters generate heat by passing an electric current through resistive materials.

JIEO’s mica band heaters are made with high-grade mica and high-quality Nickel-chromium wire, providing excellent thermal conductivity, high dielectric strength, and stable heating effects to ensure temperature stability during production. With a sheath temperature of up to 900℉, JIEO’s mica band heaters deliver consistent performance, long service life, and dependable operation in demanding working environments.

They combine efficient heat transfer, stable thermal output, and flexible customization to meet a range of equipment and nozzle-heating requirements.

With a long service life and corrosion resistance.
High thermal efficiency and uniform surface heating performance.
Its high mechanical strength and flexibility ensure a tight fit with the heated object.
Excellent thermal insulation and corrosion resistance enable it to perform effectively in challenging environments.

Mica Band Heater Types

Features of Mica Band Heater

High Thermal Performance

Surface power density 1.0–3.5 W/cm²

Stainless Steel Sheath

304/316 thickness 3–6mm, serving as both the heat-conducting layer and protective casing.

Nickel-Chromium Heating Wire

Cr20Ni80 heating wire, its excellent oxidation and high watt-density capabilities

Long Service and Fit

Low thermal expansion

Natural Mica Insulation

Excellent dielectric strength and temperature resistance up to 800°C

What’s Good In JIEO’s Mica Band Heater?

JIEO is a China-based manufacturer and supplier of types of band heaters, cartridge heaters, tubular heaters, and accessories for machines to protect the temperature sheath. Providing custom heating solutions for global industrial markets.

Our mica band heaters are designed with nickel-chromium (Cr20Ni80) resistance wire.
JIEO’s mica band heaters deliver stable output power and precise temperature control by minimizing resistance fluctuation during long-term operation.

Natural mica insulation provides high dielectric strength and electrical safety, enabling operating temperatures up to 250°C and over 5000 hours of continuous service without performance degradation.A dual-layer stainless steel housing improves heat transfer efficiency while the mica band heater offers corrosion resistance and structural stability, even under repeated thermal expansion and contraction.

This design mica band heater supports stable heating performance, consistent product quality, and longer service intervals, even in demanding industrial environments.

Customize your Mica Band Heater

To support customized heating requirements without compromising performance, JIEO’s mica band heater uses mechanical wire-winding technology to control power density across the heating surface precisely. Ensures uniform heat distribution even in non-standard sizes and special designs, while reducing the risk of localized overheating and maintaining consistent thermal efficiency.

The flexible construction allows the mica band heater to be customized in diameter, width, shape, cutouts, mounting holes, plug and terminal configurations, enabling close, stable contact with molds, barrels, and nozzles. This level of design adaptability ensures efficient heat transfer and reliable operation across different equipment layouts and operating conditions.

Item	Description
Minimum Diameter	15mm (0.6″)
Minimum Width	20mm (0.8″)
Maximum Watt Density	Up to 4w/cm²（25.8 W/in²）
Voltage	12v / 24v / 110v /120v/ 220V / 230V / 380V / 400V (custom available)
Power Output	Custom-designed based on application requirements
Maximum Operating Temperature	Up to 480°C (900°F)
Heating Element	Nichrome resistance wire
Insulation Material	High-grade mica
Sheath Material	304/316 Stainless steel
Mounting Style	Clamp type or bolt-on
Terminal Type	Stud terminals / Lead wire (custom options available)
Certification	CE, RoHS, ISO 9001
Specifications may vary depending on design and operating conditions.

Mica band heater’s Construction styles

One-piece mica band heater constrution

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Two-piece mica band heater construction

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Mica band heater with ring Shape

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Mica band heater with strip heaters

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Mica band heater with square shapes

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Mica Band heater’s Clamping options

Mica band heater with standard Built-in strap clamping

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Mica band heater with wedge lock

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Mica band heater with separate straps

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Mica band heater with spring-loaded

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Mica band heater with spring-loaded toggle latch

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Mica band heater with bent-up flange(ears)

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Mica Band Heater’s Electrical Terminations

Mica band heater with Screw terminals

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Mica band heater with button terminals

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Mica band heater with straight lead wires

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Mica band heater with straight wire braid leads

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Mica band heater with straight armor cable

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Mica band heater with lead wire spring strain relief

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Mica band heater with Standard terminal boxes

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Mica band heater with Quick disconnect plugs

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Additional Options

Thermocouple bayonet adapter types of mica band heater

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Thermocouple coupling types of mica band heater

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Holes and Cutouts types of mica band heater

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Hinged two-piece mica band heater

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Cold Section: Any holes or cutouts

The mica band heater’s watt density should depend on the operating temperature.
The mica band heater’s wattage should be in accordance with the equipment’s voltage and current ratings.

During installation, ensure the mica band heater is enough to match the object’s actual size and is in close contact with the object (gap < 0.5mm). Avoid overstretching it.
The surface should be smooth and clean of any contamination from water, oil, and other organics.
Avoid overheating and don’t operate the mica band heater without a load (air heating), as this may cause premature wire breakage.
Avoid frequent removal and reinstallation.

Certifications & Quality Assurance of Indurial Heater

Our mica band heaters are manufactured under a strict quality control system and meet international safety and environmental standards.

All products can be supplied with the relevant certification documents upon request.

Wide Industry Heating for Mica Band Heater

Plastics Processing

Mica band heaters are applied to machine parts such as barrels and nozzles to provide a uniform heat source for hot pressing and forming.

Injection Molding Machines
Extruder Machines
Blow Molding Machines
Hot Runner System Manifolds

Rubber & Elastomer Processing

Mica band heaters are used in mold and barrel heating to maintain the appropriate temperature, ensuring plastic pellets melt uniformly to achieve the desired flowability.

Rubber Extruder Barrels
Rubber Injection Molding Barrels
Compression Molding Equipment

Packing

Mica band heaters provide precise process temperature control to prevent industrial packing equipment from developing “hot spots” or “cold spots,” which can cause breakdowns or poor adhesion.

Sealing Jaws
Heat Sealing Bars
Film Extrusion
Shrink Wrap Machine Components
Bottle Forming and Filling Equipment

Food Service

Sanitary surface heating uses a mica band heater with a 304 stainless steel housing to prevent bacterial growth and eliminate harmful substance release. Its low surface-load characteristics prevent material scorching due to excessive temperatures.

Food & Candy Extruders
Food Service Warming
Chocolate tempering equipment
Tank and Drum

Others

The “temperature-controlled plane” of precision instruments prevents the occurrence of “edge effects” by using mica band heaters, providing reliable temperature control and precise temperature differentials.

Medical Process Heater
Oil Reclamation Systems
Scientific Testing Equipment
Die Casting Auxiliary Equipment

Your Mica Band Heater Can Also Deliver Ceramic-Level Performance

The shroud is an energy-saving and safety protection device specifically developed for the melting systems of injection molding machines. This shroud is an innovative thermal insulation protection device independently developed and patented by JIEO. It is widely applicable to injection molding processes that demand high standards for energy efficiency, safety, and temperature-control precision.

Through its multi-layer thermal insulation structure design, it effectively minimizes heat loss to the environment, significantly enhancing the heating system’s energy efficiency and reducing overall machine energy consumption by over 30%. Simultaneously, the outer shell surface temperature is maintained below 40°C, substantially improving the high-temperature working environment in injection molding workshops and lowering the risk of burns for operators.

The shroud supports fan installation to promote airflow, accelerate heat dissipation, and prevent localized overheating, such as carbonization or charring of the heating media. This helps extend the mica band heater’s service life and performance while drastically reducing downtime and maintenance of injection molding machines.

FAQs

Find answers to the most frequently asked questions about our mica band heaters.

Still have questions?

How long does it take the mica band heat up?

Very quickly. They typically reach operating temperatures within 5 to 10 minutes due to their low thermal mass.

How to use a mica band heater?

Install tightly on a clean barrel surface, connect to the correct voltage, and use with a temperature controller for best performance.

How to power the mica band heaters?

They are powered by AC voltage (usually110V–480V). Always match the heater’s rated voltage to your power supply.

How to help the mica band heater extend its life?

Don’t install the mica band heater in areas with foreign materials to avoid overheating, excessive cycling, and physical damage.

Mica band heaters vs. Ceramic band heaters for injection molding?

Two types of band heaters use element heating. The mica band heaters have a maximum process temperature of 482°F (250°C), while the ceramica band heaters can withstand up to 662°F (350°C). They use different insulations in the band heater, and each type has its own strengths.