Polyimide Heating Element
Polyimide (polyimide film) film is an organic material with very
high dielectric capability, thin flexible profile and low thermal
mass, while providing superior resistance to most solvents, acids,
and radiation. Being transparent, Polyimide (polyimide film) heater
allows easy visual inspection of the internal foil circuit
structure.
Introduction
Flexible polyimide film heaters in need of various shapes, sizes
and power are available. this type of heater is very thin (the
thickness is 0.25mm top) and able to bent arbitrarily, which allows
close thermal contact with the heated subject to reach maximum
heating efficiency. Polyimide film heater is a translucent or
transparent metallic electric heating film, resistive circuit made
of special alloy is covered PI films with excellent temperature
tolerance and insulation. Compared with filiform electrothermal
structure, PI heaters provides more uniform thermal field, shorter
heating period and shifter response, lower power load but longer
service life.PSA or Epoxy resin are optional for installation.
The heating and anti-freezing of satellites, aero equipment and
mobile devices uses PI heaters due to its light weight, toughness
and heat uniformity.The working voltage of the product can be
1-100V and the circuit can be customized according to the heating
requirement, which is very flexible.Oil, chemical corrosion and
radiation tolerance makes it suitable in severe environment.
Foil Element
Polyimide (polyimide film) heaters make use of very thin (e.g.
50μm) etched metal (usually nickel based alloy) foil as
resistance element. The resistance pattern to be etched is designed
in CAD and transferred to the foil, which is then
processed through acid spray to produce the desired resistance
pattern.
Max. element temp | 220 (428) .°C, (°F) | Dielectric strength at 20°C | 25 ASTM KV/m |
Bending radius | ≥0.8mm | Dielectric | > 1000V/min |
Wattage Density | ≤ 3.0 W/cm2 | Watt tolerance | ≤ ±5% |
Insulation | > 100M ohm | Thickness | ≤0.3mm |
Temperature Sensor | RTD / film pt100 |
Thermistor / NTC | thermal switch etc |
Adhesive backin | silicone based PSA | Acrylic based PSA | polyimide based PSA |
Lead wires | Silicone rubber cables | Fiberglass insulated wire | different plug set / termination available |
Features
* Extremely thin as 0.2mm
* Extrmely light in weight
* Etched foil heating wires to improve 50-80% lifespan
* Strong Resistant to Chemical/OIl Medium
* Fast and precise heating
* Low voltage low ohm value heater film, e.g. 5V, 12V, 24V
Application
* Medical diagnostic instruments: Heat sample trays, * * * Reagent
bottles, etc.
* Stabilize optoelectronic components
* Test or simulate integrated circuits
* Enable cold weather operation of outdoor electronics such as
laptop, ATM, LCD's
* Protect Aircraft electronic and mechanical devices in cold
weather/area.
Benefits
polyimide film is a polyimide film used in conjunction with etched
foil circuits to produce very thin flexible heaters. It has
excellent dielectric qualities to provide 5000 volts dielectric per
0.001inch (0.025mm) thickness.
polyimide film Heater can be made in any shapes, sizes and
wattages. The working volts is from 1V to 240V. According to the
different heating requirement, we can design different heating
loop. So it has flexible designation.
Because of the light heavy and heating evenly, it is using in many
ways, such as Satellites, aerospace equipment, mobile devices.
Features and Benefits
Excellent physical and electrical properties: results in thermal
stability over a wide temperature range.
Transparent polyimide material: allows inspection of internal
details.
Resistance of radiation and fungus: can be used in a wide range of
applications.
Specifications
Power Source: Electric
Voltage: 12-480V
Power : ≤ 3W/cm2
Maximum size: 500mm*1000mm
Thickness:0.15-0.5mm
Recommended working temperature:≤ 180℃
Color: Brown
Warranty: 1 Year
Material: PI/polyimide film with etching film
Insulation material: polyimide film
Insulation resistance: 1000V,≥100MΩ
Certification: ISO9001, CE, Rohs, UL
Application: as customer’s need
| Standard type | size(mm) | voltage | power | power density |
| HL-00368(A)-E-O | 50*200 | 220V | 50W | 0.5W/CM2 |
| HL-00368(B)-E-O | 50*300 | 220V | 75W | 0.5W/CM2 |
| HL-00368(C)-E-O | 100*100 | 220V | 50W | 0.5W/CM2 |
| HL-00368(D-E-O | 100*200 | 220V | 100W | 0.5W/CM2 |
| HL-00368(E)-E-O | 100*300 | 220V | 150W | 0.5W/CM2 |
| HL-00368(F)-E-O | 200*200 | 220V | 200W | 0.5W/CM2 |
| HL-00368(G-E-O | 200*300 | 220V | 300W | 0.5W/CM2 |
Accessories optional
| Name | Model | Specifications |
| Leading line | PTFE wire UL1332 | 300V,26AWG-10AWG |
| PTFE wire UL1330 | 600V,26AWG-10AWG |
| PI line | 300V,30AWG-20AWG |
| Silicone rubber line | 300V,0.5mm2-2.5mm2 |
| Glass fiber line | 300V,0.5mm2-4mm2 |
| 3M glue | 468/467 | working temperature ≤ 149℃ |
| 966/9079 | working temperature ≤ 179℃ |
| 9888T | working temperature ≤ 119℃ |
| Controller | OT1 | 0-200°C JPt 100Ω sensor |
| OT3 | 0-300°C PID controller |
| OT4. OT5 | 100ºC |
| EGO | 0-40ºC 30-110ºC 60-200ºC |
| Thermo | 50ºC 70ºC 100ºC 120ºC 150ºC |
Application
Medical applications that require a clean, sterile environment
Laboratory research
Semiconductor processing equipment
Optical equipment
LCD displays
Computer equipment
Photographic equipment
