Core Value
In high-tech industries such as aerospace, medical instrumentation, and precision optics, available space is measured in fractions of a millimeter, and weight must be kept to an absolute minimum. Traditional silicone heaters or metal plate assemblies are often too thick and heavy for these sensitive internal environments.
The 12V 24V Flexible Polyimide Kapton Film Heating Element is the definitive engineering solution for ultra-low-profile surface heating. Kapton polyimide is an organic polymer film possessing an extraordinary combination of electrical insulation, radiation resistance, and chemical inertness. It operates reliably across an extreme temperature range (from -200°C to +200°C) without becoming brittle or losing structural integrity.
As visibly demonstrated in the product design, the internal resistance path consists of a precision-etched metal foil circuit (such as Constantan or Cupronickel) laminated between two layers of Kapton film. Unlike standard wound resistance wires, etched foil offers a massive surface area-to-volume ratio, allowing for exceptional thermal transfer efficiency, superior watt-density distribution, and zero localized hot spots.
Operating on low-voltage DC power (such as 12V or 24V), this heating element integrates seamlessly with battery-powered mobile units, portable medical monitors, and sensitive electronic logic boards. The entire assembly is exceptionally thin (often less than 0.2mm), allowing it to wrap around tiny cylindrical sensors, adhere flat against optical lenses, or bond directly to printed circuit board (PCB) enclosures.
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✓Ultra-Low Profile & Lightweight: Measures less than 0.2mm in thickness, integrating seamlessly into severe space-constrained environments without adding excess weight.
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✓ Etched-Foil Efficiency: Precision-etched metal circuits deliver maximum surface-area contact, ensuring uniform heat distribution and zero hot spots.
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✓ Extreme Thermal Stability: Operates reliably across an extreme temperature range from -200°C to +200°C without material degradation or loss of structural integrity.
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✓ Low-Voltage Mobile Compatibility: Perfectly calibrated for 12V and 24V DC power grids, making it ideal for battery-powered instruments and portable electronics.
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✓ Direct OEM Customization: Tailored film geometries, etched-foil layouts, and robust epoxy-sealed lead wires manufactured to scale directly by HT HEATER.
Technical Specifications & Performance Data
| Parameter | Standard Specification | Customizable Options | Engineering Notes |
| Product Category | Kapton Polyimide Film Heater | Silicone heaters, polyester film heaters | Ultra-thin, lightweight etched-foil heating pad |
| Operating Voltage | 12V / 24V DC Low Voltage | 5V, 36V, 48V, 110V AC | Ideal for battery-powered and portable electronics |
| Power Output (Wattage) | Custom (e.g., 5W to 100W) | Mapped precisely to surface area | Watt density calibrated for micro-thermal control |
| Film Material | Amber Polyimide (Kapton) | Transparent Clear Polyimide | High dielectric strength and chemical resistance |
| Heating Circuit | Etched Metal Foil Circuit | Spiral wound wire | Maximizes heat transfer surface area across the film |
| Max Operating Temp | Up to 200°C (392°F) continuous | Higher temp variants available | Exceptional thermal stability in extreme vacuums |
| Electrical Termination | Insulated Lead Wires w/ Epoxy Seal | Surface contact pads, ZIF connectors | Sealed with robust black epoxy encapsulation |
Industrial Applications & Solutions
This ultra-thin Kapton film heater is the specified thermal solution for compact, high-precision equipment:
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Medical & Analytical Devices: Prevents condensation on optical lenses, warms blood plasma analyzers, and maintains stable temperatures in portable diagnostic testing kits.
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Aerospace & Avionics: Provides critical anti-icing and thermal stabilization for satellite components, optical sensors, and flight instrumentation operating in extreme cold.
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Battery Thermal Management: Wrapped around lithium-ion battery packs in electric vehicles and outdoor equipment to ensure safe charging performance in sub-zero environments.
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Electronics & Laser Systems: Eliminates frequency drift in precision oscillators and prevents moisture accumulation inside sealed camera and laser enclosures.
HT Heater Advantage: Why Choose Our Silicone Heaters?
| Engineering Feature | HT Heater Kapton Element | Generic Film Heaters | Operational Advantage |
| Circuit Geometry | Precision Etched Metal Foil | Fragile hand-wound fine wires | Delivers uniform heat distribution across the entire film surface, eliminating localized burnout risks. |
| Terminal Encapsulation | Robust black epoxy strain-relief seals | Exposed solder joints on thin film |
Protects the lead wire junction points from mechanical pulling, vibration, and wire fracture. |
| Adhesive Backing | Optional high-temp pressure-sensitive adhesive (PSA) | None / Requires manual gluing | Allows for fast, peel-and-stick installation directly onto metal substrates or enclosure walls. |
| Dielectric Integrity | High-purity polyimide lamination | Low-grade plastic films | Withstands high-voltage breakdown testing, ensuring absolute safety in sensitive electronic circuits. |
Installation & Handling Guidelines
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Immaculate Surface Preparation: Because Kapton heaters are extremely thin, any dust, oil, or micro-burrs on the mounting surface will create air pockets. Clean the metal or plastic substrate thoroughly with isopropyl alcohol before applying the heater.
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Pressure-Sensitive Application: If your heater is supplied with adhesive backing, peel the release liner slowly and apply firm, even roller pressure across the entire surface to eliminate trapped microscopic air bubbles.
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Avoid Creasing: Never fold, crease sharply, or puncture the polyimide film. While highly flexible, severe sharp bends can fracture the internal etched-foil circuit.
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Strain Relief on Leads: Secure the flexible lead wires near the black epoxy encapsulation to ensure that pulling forces on the external wiring are never transferred directly to the film junction.
Customer Success Stories
Case 1:
Portable Medical Device OEM (United States)
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Application: Micro-thermal management pads inside handheld blood gas analyzers operating on 12V battery power.
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Challenge: The internal housing was severely space-constrained, and previous wire-wound heaters were too thick and created uneven hot spots that skewed clinical sample readings.
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Solution: Partnered with HT HEATER to integrate custom 12V 24V Flexible Polyimide Kapton Film Heating Elements. The ultra-thin etched-foil design fit effortlessly into the 0.5mm clearance gap inside the analyzer.
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Results: PRECISE THERMAL ACCURACY. The uniform heat distribution eliminated sample temperature drift, allowing the medical device to achieve stringent FDA calibration standards while extending battery runtime.
Case 2:
Aerospace Optical Equipment Manufacturer (Germany)
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Application: Dew-prevention heating films bonded directly to high-altitude satellite camera lenses.
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Challenge: The optics were subjected to extreme thermal contraction and vacuum conditions in orbit, requiring an organic film heater that would outgas zero volatile compounds and operate reliably on a low-voltage 24V grid.
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Solution: HT Heater supplied specialized Kapton film heaters featuring high-purity polyimide lamination and robust epoxy lead seals.
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Results: FLAWLESS ORBITAL PERFORMANCE. The Kapton heaters maintained crystal-clear optical imaging by preventing dew formation, withstanding the harsh space environment without material degradation or electrical failure.
Pricing & Procurement Options
- OEM Customization: Tailored shapes, custom cutout holes for pipe nozzles, specialized voltage/wattage configurations, and custom strap lengths.
- Lead Times: Custom samples: 3–5 working days. Bulk production orders: 8–12 working days upon technical drawing sign-off.
- Packaging & Shipping: Individually bagged with protective foam padding and packed into heavy-duty 5-ply export cartons to prevent bending or lead wire stress during international transit.
- Minimum Order Quantity (MOQ): Low MOQ starting at 5–10 units for custom dimensions; competitive volume pricing tiers for equipment manufacturers.
Global Certifications & Compliance
- CE Marking
Fully compliant with European safety and environmental standards. - LVD Compliance
Low Voltage Directive tested for continuous thermal load safety. - RoHS Compliant
Constructed using environmentally safe, lead-controlled brass alloys. - ISO 9001
Certified quality control covering CNC machining, coil pressing, and electrical testing.
Quality Documentation: Certificate of Conformity (COC) and insulation resistance test reports included.
Comprehensive After-Sales Support
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- Warranty: 1-Year Comprehensive Warranty covering internal heating element and built-in sensor.
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Technical Support: Application engineers available for wattage distribution calculation, thermocouple calibration, and nozzle fitting assistance.
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Global Response Network: BACKED BY 30+ YEARS MANUFACTURING EXPERIENCE with technical inquiry feedback within 2 hours.
Ready to Optimize Your Injection Molding?
Next Steps:
- 📧 Request Custom Quote – Send your nozzle dimensions, wattage, voltage, and HT-CLW-450 drawing requirements.
- 🔧 Free Design Consultation – Work with our thermal engineers to optimize heat distribution and lead insulation.
- 📦 Order Test Samples – Evaluate thermal performance on your injection molding machine.
- 📞 Contact Hot Runner Experts – Response within 2 hours
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