
PI Adhesive Film Heaters For Electrical Equipment Heating
Product Details
Jaye Heater Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of pi adhesive film heaters for electrical equipment heating in China, also supports custom service. Welcome to wholesale high quality pi adhesive film heaters for electrical equipment heating at competitive price from our factory.
PI (Polyimide) Adhesive Film Heaters are thin, flexible electric heating elements widely used for temperature maintenance, anti-condensation, anti-freezing, and thermal management in electrical equipment.

Structure of a PI Adhesive Film Heater
A typical PI adhesive heater consists of:
Polyimide Insulation Layer
- High dielectric strength
- Excellent temperature resistance
- Flexible and lightweight
- Resistance Heating Element
Etched foil or wire circuit
- Customized power density and heating pattern
- Uniform heat distribution
- Pressure-Sensitive Adhesive Layer
- Provides direct bonding to equipment surfaces
Minimizes thermal resistance
- Improves heat transfer efficiency
- Lead Wires and Connector
Supply electrical power
- Can be customized for various installation requirements

PI Adhesive Film Heater Specifications for Electrical Equipment Heating
| Parameter | Specification |
|---|---|
| Product Name | PI Adhesive Film Heater |
| Heater Material | Polyimide (PI) Film |
| Heating Element | Etched Foil / Resistance Wire |
| Thickness | 0.15 mm – 0.50 mm |
| Standard Voltage | Customized AC/DC |
| Operating Temperature | -40°C to +200°C |
| Size/ Wattage | Customized |
| Insulation Resistance | ≥100 MΩ @ 500VDC |
| Temperature Control Options | Thermostat, NTC Sensor, RTD Sensor |

Features
- Ultra-thin and lightweight design
- Fast heat-up and uniform heating
- Excellent electrical insulation
- High thermal efficiency
- Flexible and space-saving installation
- Custom voltage, wattage, and dimensions available

Typical Applications
PI Adhesive Film Heaters are commonly used in:
- Electrical control cabinets
- Switchgear enclosures
- Outdoor telecom cabinets
- Power distribution equipment
- Energy storage battery systems

Frequently Asked Questions (FAQ)
1. What is a PI Adhesive Film Heater used for in electrical equipment?
A PI Adhesive Film Heater is designed to provide efficient and uniform heating for electrical and electronic equipment. It is commonly used to prevent condensation, frost, and low-temperature damage in control cabinets, telecom enclosures, battery systems, instrumentation, and outdoor electrical equipment. By maintaining a stable operating temperature, the heater helps improve equipment reliability and extend service life.
2. Can PI Adhesive Film Heaters be customized?
Yes. PI Adhesive Film Heaters can be fully customized to meet specific application requirements. Customization options include voltage, wattage, dimensions, shape, power density, lead wire configuration, connectors, and integrated temperature control devices such as thermostats, NTC sensors, or RTD sensors. This flexibility makes them suitable for a wide range of electrical heating applications.
3. Are PI Adhesive Film Heaters safe for long-term operation?
Yes. PI Adhesive Film Heaters are manufactured using high-quality polyimide insulation materials that offer excellent dielectric strength, thermal stability, and chemical resistance. When properly installed and operated within the specified voltage and temperature range, they provide safe, reliable, and maintenance-free heating for many years. For additional protection, temperature sensors or thermostats can be integrated to prevent overheating.
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