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Custom Mica Plate Heaters


Technical & Commercial Inquiries for Custom-Engineered Mica Plate Heaters

Engineered for performance and durability. Contact us for a quote or technical support tailored to your application.

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Mica Plate Heaters 

High-Efficiency Flat Surface Heating Solutions

Reliable Mica Plate Heaters for Uniform Surface Heating

Our mica plate heaters are flat, compact heating elements engineered for efficient heat transfer across flat or contoured surfaces such as plates, dies, sealing bars, and heat press equipment. Constructed with premium mica insulation layers and robust metal sheathing, these heaters offer excellent thermal stability, supporting power densities up to 5 W/cm² and operating temperatures reaching 450 °C. Ideal for applications requiring fast heat-up and uniform thermal distribution.

Key Features

  • Efficient Surface Heating – Ideal for flat or slightly contoured surfaces requiring consistent heat distribution.
  • High Temperature Resistance – Operates reliably up to 450 °C, suitable for demanding industrial environments.
  • Compact & Slim Design – Space-saving structure allows easy integration into tight assemblies and machinery.
  • Fast Heat-Up Time – Quick thermal response for increased process efficiency and energy savings.
  • Durable Construction – Built with high-quality mica insulation and metal casing for extended service life.
  • Customizable – Available in various shapes, sizes, voltages, and terminal configurations to meet application-specific needs.
  • Uniform Heat Transfer – Provides stable and consistent heat output across the entire surface area.

Industrial Applications

Caldor’s mica plate heaters are ideal for flat-surface heating in industries requiring rapid, stable, and evenly distributed thermal energy. Their compact design and high thermal efficiency make them suitable for a wide range of applications, including:

  • Heat Press & Sealing Equipment

    Used in packaging lines for sealing bars, laminating presses, and thermal bonding systems.

  • Plastic & Rubber Processing

    Perfect for heating molds, dies, platens, and flat tooling in thermoforming and compression molding operations.

  • Laboratory & Analytical Devices

    Integrated into lab instruments where precise and uniform heating of plates or components is essential.

  • Textile & Garment Industry

    Applied in heat transfer printing, fabric pressing, and fusing machines.

  • Food Service & Catering Equipment

    Utilized in hot plates, warming trays, and commercial food prep stations for safe and uniform heating.

  • Medical & Pharmaceutical Applications

    Ensures controlled heating in sensitive equipment requiring hygiene and reliability.

Why Choose Caldor’s Mica Plate Heaters


Caldor’s mica plate heaters offer a perfect blend of thermal efficiency, durability, and design flexibility — making them ideal for flat-surface industrial heating. Trusted by manufacturers across diverse sectors, our heaters are built for precision, reliability, and performance in demanding applications.

FAQ - Mica Plate Heaters
What are mica plate heaters used for?

Mica plate heaters are primarily used for flat or slightly curved surfaces that require even heat distribution, such as heat sealing bars, platens, dies, or food warming trays.

What is the maximum operating temperature?

Caldor’s mica plate heaters can operate reliably at temperatures up to 450°C, depending on the application and installation environment.

Are custom sizes and shapes available?

Yes. We offer fully customizable mica plate heaters in various shapes, sizes, voltages, and terminal configurations to meet your specific application needs.

Can mica plate heaters be used in food or medical equipment?

Absolutely. With proper casing and insulation, our mica plate heaters are suitable for use in hygienic environments such as food service equipment and medical devices.

How efficient are mica plate heaters compared to other types?

Mica plate heaters offer fast heat-up, excellent thermal stability, and consistent heat transfer—making them more energy-efficient for surface heating compared to some bulkier alternatives.

How can I request a quote?

You can contact our engineering team directly through our website or email with your technical specifications. We’ll get back to you with a tailored quotation promptly.

Order Information

Provide the following details so we can tailor the right solution for you:


Desired electrical power (W) and supply voltage (V)

Diameter (mm) and width (mm) of the band

Sensor cavity dimensions (if required)




Position of power connection (angle relative to the closure)

Connector type or cable specification and length

 Mica-Insulated Electric Plate Heaters
Caldor specializes in the development and manufacturing of premium mica-insulated plate heaters, tailored for flat-surface industrial heating applications that demand efficiency, precision, and durability. Our solutions serve a wide range of industries, including packaging, plastics and rubber processing, textile production, food service equipment, medical and laboratory devices, and other equipment requiring controlled and uniform surface heating.

Our mica plate heaters are known for their slim design, consistent heat distribution, and long operational lifespan—even under intensive conditions. Each unit can be fully customized to match your application’s thermal and dimensional requirements, with flexible options for power density, voltage, terminal configuration, mounting method, and sensor integration. Designed for seamless installation and easy maintenance, our heaters contribute to reduced downtime and enhanced process efficiency.

At Caldor, we combine technical expertise with a customer-centric approach. Our engineering team provides in-depth guidance during product selection and specification, ensuring optimal performance and reliability for your application. From initial consultation to post-sale support, we are committed to delivering effective heating solutions and professional service at every stage.

Thank you for choosing Caldor as your trusted partner in advanced mica plate heating solutions. We value long-term partnerships built on innovation, quality, and customer success.

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Technical & Commercial Inquiries for Custom-Engineered Mica Plate Heaters

Contact our engineering team to request detailed quotations and submit technical specifications for customer-focused, application-specific mica plate heater solutions.