Mica Band Heater

Mica Band Heaters represent a sophisticated and economical heating solution specifically engineered for efficient heating of cylindrical surfaces in diverse industrial applications. These advanced heating elements utilize premium nickel-chromium resistance strips that are precision-wound on high-strength mica cores, providing exceptional thermal performance and electrical insulation properties. The innovative construction methodology ensures optimal heat transfer characteristics while maintaining superior electrical safety and long-term operational reliability in demanding industrial environments.

Rapid heat-up times
High watt density up to 30 W/in²
Custom dimensions, holes & cutouts

Technical Specifications

Heating Element Material	NiCr 80/20 resistance strips
Insulation Core	High-strength mica with superior dielectric properties
Sheath Material	SS304, SS321, Aluminized Steel (custom options)
Max. Operating Temperature	Up to 450°C (842°F)
Voltage Rating	110V, 230V, 415V AC (custom voltages available)
Power Range	100W to 5kW (custom ratings available)
Watt Density	Up to 30 W/in² (application dependent)
Minimum Diameter	25 mm (smaller custom sizes available)
Minimum Width	25 mm (custom widths available)
Standard Gap	9 mm (adjustable)
Terminal Enclosure Rating	IP54 standard, IP66 moisture-resistant optional
Cold Resistance Tolerance	≤3%
Control Options	Thermostat, integrated thermocouple, external sensors
Lead Wire Options	Multiple configurations with temperature-rated insulation

Construction

Heating Element: Premium nickel-chromium (NiCr 80/20) resistance strip engineered for precise, uniform heating with exceptional temperature stability and long-term reliability in demanding industrial applications.
Dielectric Mica Core: High-strength, premium-grade mica core providing excellent dielectric strength, superior thermal conduction, and electrical insulation properties for safe and efficient operation.
Metal Sheath: Robust stainless-steel or aluminum-clad protective sheath providing mechanical protection, corrosion resistance, and optimal thermal conductivity for extended service life.
Thermocouple Assembly: Optional built-in Type J, K, or T thermocouple junction (grounded or ungrounded) for accurate temperature monitoring, process control, and safety system integration.
Clamping System: Precision-engineered spot-welded clamp bars with Allen screws for secure, uniform fit and easy installation, ensuring optimal thermal contact and reliable mounting.
Terminal Enclosure: Weather-resistant terminal box with IP54 standard or IP66 moisture-resistant rating for safe electrical connections and protection against environmental conditions.

Key Features

High-temperature capability with low thermal mass design
Uniform heat distribution via conduction and radiation
Rapid heat-up times for increased productivity
Customizable cutouts, thicknesses, and mounting options
Built-in sensor support for precise process control
Durable construction engineered for long service life
Energy-efficient operation reducing operational costs
Flexible installation with various mounting configurations
Superior corrosion resistance for demanding environments
Wide range of voltage and wattage options

Applications

Injection molding machine barrels and nozzles
Plastic extrusion and molding equipment
Chemical and food processing drums
Pharmaceutical manufacturing equipment
Packaging machinery and sealing systems
Semiconductor tool heating jackets
External tank and vessel heating systems
Rubber processing and vulcanization equipment
Textile machinery and fiber processing
Cable coating and wire processing equipment