Company Profile

 


Fullchance Heat has provided dependable and flexible heat solutions for over 37 years. We serve a broad array of customers in multiple markets: military, aerospace, medical, business machines, vending equipment, automotive and many more. No matter where our heaters are used, customers have learned to count on us for application assistance, dependable delivery and cost-effective solutions.

   
   
   

At a Shenzhen:
Company started in 1973
Located in Dalang street
Totally equipped 18,000 square foot plant
Highly trained and talented staff
Strong commitment to quality and customer satisfaction
Global supplier
Products made entirely in the shenzhen China
Wide range of stock heaters including Drum, Silicone Rubber, Kapton®, Enclosure, Motor and Pipe Heaters, as well as Insulating Blankets and Temperature Controllers
Custom configurations available for most any silicone rubber or Kapton heater solution
Free and prompt quotes available 

 
 
flexible heatersFlexible Heaters, of which Silicone Rubber and Kapton are two types, were originally designed for the aerospace and defense industries. Common were such applications as maintaining constant temperatures in the instrumentation of aircraft, satellites, navigation, guidance and radar equipment. The versatility of this product has since been widely recognized as thousands of uses have been discovered. Flexible heaters are regularly specified because of their light weight, thin profile, low thermal mass and flexibility. The abilities to provide an infinite array of patterns and concentrations of heat are additional characteristics. Complex shapes, contours and three-dimensional patterns are possible. Many mounting methods are available for the application of Flexible Heaters. Computer generated specifications and state-of-the-art manufacturing technologies produce the most effective Flexible Heater performance possible, with typical Fullchance reliability.

Applications:

Antenna Deicing
Optical Equipment
Spacecraft
Farm Animal Feeders
Aircraft Air Intake
Laser Printers
Photocopy Equipment
Glue and Laminate Curing
Consumer Appliances
Hydraulic Equipment
Aerospace Composite Bonding
Battery Heating
Photography Developing
Gyroscopes
Floor Processing Equipment
Food Service Equipment
Vending Equipment
De-icing and Anti-icing Equipment
Outdoor Electrical and Electronic
Enclosures
Oil Pumps and Reservoirs
Presses
Aircraft Galley Equipment
Electric Motor Dehumidifying
Heat Sealing
Medical, Laboratory and
Veterinary Equipment
Dispensing Equipment
Automobiles and other Vehicles
Packaging Equipment
Freeze Protection for Drains in
Refrigeration Equipment
Vacuum Chambers
Autoclaves

Resistance Element

The resistance element in Flexible Heaters is either wire wound or etched foil.

Wire Wound Element: A fine gauge resistance wire is spiralled around a fiberglass core. The element is placed in a specifically designed pattern and vulcanized to either a silicone rubber or neoprene substrate. Advantages versus etched foil elements are: Physical strength; flexibility; smaller production quantity; conforms well to small radius bends and larger possible sizes.
Etched Foil Element: The manufacturing process of etched foil elements is adapted from the production of printed circuit boards. A nickel resistance alloy foil is acid etched to the specific pattern, then vulcanized to the sheath material. Advantages versus wire wound are: Higher watt densities; greater area coverage of element over heater sheath; higher production quantities and complex heat distribution.

 

Silicone Rubber Heaters

Silicone Rubber Heaters are rugged, moisture and chemically resistant and are easily bonded or cemented to heat sinks or other parts to be heated. Temperatures from -80 to 390°F (-62 – 200°C) in a wide range of watt densities are regularly supplied. The thin profile transfers heat quickly because the actual resistance element is so close to the heated part. Silicone Rubber Heaters can be insulated with silicone sponge rubber bonded to one side. Another way to lower radiated and convected heat losses is to apply an aluminized foil surface to the heater back. Very little is added to the overall thickness. A common application of Silicone Rubber Heaters is Wrap Around Drum Heating.

Kapton® Heaters

Kapton Heaters are especially thin and light weight, yet resistant to tearing and cuts. Kapton is an organic polymer that has high dielectric capabilities and tensile strength. Temperatures from -328 to 390°F (-200 to 200°C) are possible while providing a high resistance to many solvents, oils, radiation and fungus. Because of very low outgassing properties, Kapton heaters are suitable for use in high vacuum applications. Standard bonding methods can be applied. Being transparent adds to Kapton’s versatility. 

 

Other sheath materials such as Neoprene, Mica and Mylar are available.

Termination

Silicone leads for temperatures to 390°F (200°C) are most often supplied, but many other types are available. The leads are attached to the element within the transition area and covered with a patch of the same material as the sheath. 

 

The entire lead transition assembly is then vulcanized to the heater sheath. Leads can be arranged to exit at about any point on the element sheath, corner, or from an external tab. Neoprene, silicone and Teflon leads along with SJ and HPN cord and plug sets can be supplied.

Silicone Rubber leads are standard unless otherwise specified. Teflon leads are also available. 14, 16, 20 or 24 gauges are sized by requirement. Maximum lead length is 72″. Available with Patch and Strain Relief Tab.

Patch
Lead patch can be placed along the heater edge at the following positions:
CW – Center of width
UW – Upper corner of width
LW – Lower corner of width
Standard patch dimensions vary by heater size and design.
Strain Relief Tab
Standard tab dimensions: 2″ long x 2-1/2″ wide. Can be placed in CW, UW or LW position. Minimum width: 2-1/2″
2 Conductor SJ type 16/2 Cord
with 2-3/4″ Round Termination Cap is often specified. Max temp is 140°F. NEMA1-15P Plug is available for 120 volt items.
3 Conductor SJ type 16/3 Cord
with Round Termination Cap is also available. Ring terminal is attached to ground wire. Max temp is 140°F. NEMA1-15P Plug is available for 120 volt items.

Mounting Methods

Pressure Sensitive Adhesive (PSA) is a factory applied material for bonding Flexible Heaters to a flat, smooth surface. A peel-away protective backing allows simple field installation. The maximum element temperature for PSA use is 300°F (150°C) continuous, at no more than 5 watts per square inch. Heaters with PSA should be stored no more than 6 months before installation. 

 

Factory Vulcanizing provides excellent heat transfer from the heater element to the customer part. Strong, free of air gaps and with the longest possible heater life are advantages of Factory Vulcanizing.

For field applied adhesives, an RTV Room Temperature Vulcanizing Adhesive or Contact Cement are available. Consult Fullchance .

Also available for Flexible Heaters are several mechanical field mounting devices such as hooks and laces, grommets and laces, spring loaded latches, snaps or velcro.

Thermostats and Sensors

Thermostats are typically integral to the heater, encapsulated in silicone rubber and mounted in a heated area. The position is determined based upon application considerations, prototyping and testing.

Thermostats separate from heater and ambient sensing thermostats in several temperature ranges are also available.

Thermocouples, RTD’s, thermistors and thermal fuses are normally mounted under a silicone rubber cap which is vulcanized to the heater sheath. The position can be anywhere on the heater surface.

Adjustable Thermostat Temperature Ranges  

 

70 – 140°F
70 – 190°F
70 – 425°F
120/240V
120/240V
120/240V
1600W Maximum
1600W Maximum
1600W Maximum

Thermostat can be wired separately when rating is exceeded.

All items rated 125V/15A, 250V/10A.
Thermostat can be wired separately when rating is exceeded. Typically, the differential between the on and off position is 30°F. 

 

Tolerance: ± 5°F open ± 8°F closed

Specify from the following values:

OPEN CLOSE OPEN CLOSE
55°F 40°F
(ambient sensing only)

 

160°F 130°F
170°F 140°F
80°F 50°F 180°F 150°F
100°F 70°F 190°F 160°F
110°F 80°F 200°F 170°F
120°F 90°F 250°F 220°F
130°F 100°F 300°F 270°F
140°F 110°F
392°F 365°F
(hi-limit only)

 

150°F 120°F

 

Thermostats and Sensors

Surface Temperature versus Time for Silicone Rubber Heaters
Illustrated is the surface temperature of a standard Silicone Rubber Heater, .055″ thick without insulation at several watt densities. The heater is suspended vertically in 70°F (20°C) still air.
Maximum Watt Density

Etched foil elements can be designed at higher watt densities based upon application considerations.

Specifications

Thickness of Optional Silicone Sponge Insulation:
1/8″, 1/4″, or 1/2″
Thickness of Optional Foil Backing:
0.005″ (0.13mm).
The area where leads are attached adds additional thickness depending upon gauge wire used and type.
Dimension Tolerances:
Less than 6″ (150mm); ±.03″ (± .8mm);
6 – 12″ (150mm – 305mm); ±.06″ (±1.5mm);
12 – 36″ (305mm – 915mm); ±.12″ (±3.5mm);
Over 36″ (915mm); ±1%
12″ leads are standard. Gauge of wire to be determined based on amperage or other considerations. 

 

Composite Bonding Processes and other applications may require special heat pattern or uniformity. Heat Mapping Certification is available as an option. Underwriter’s Laboratory and CSA recognition or listing apply to most configurations. As an option, we can certify to CE.

Many applications require special designs and considerations. We will provide assistance to develop a flexible heater for a specific application.


SILICONE RUBBER FLEXIBLE HEATERS - APPLICATIONS:
 
  • l          Heating of Electronic Components- ATM's and Photocopiers
  • l          Heating of Aerospace Instrumentation-Satellites and Spacecraft
  • l          Semiconductor Wafer Processing
  • l          Autoclaves, Incubators and Sterilizers
  • l          Vacuum Chambers
  • l          Medical Imaging, Medical Diagnostic Instruments and Analyzers
  • l          Applications requiring a flexible shape or design
Fullchance Heater supplies silicone rubber heaters for many different applications such as industrial catering, battery warming, environmental control or electronics (particularly telecommunications), laboratory equipment and anti-condensation. The uses for silicone rubber flexible  heaters are infinite as they can suit any application requiring surface heating up to 200°C. Their suitability for arduous conditions has been proven in applications from polar expedition to space exploration.
THERMAL OR TEMPERATURE CONTROL FOR SILICONE RUBBER  HEATERS:
Fullchance silicone rubber heaters can be supplied with factory fitted sensors and switches to suit all types of instrumentation. Available from stock are PT100’s, J, K and T type thermocouples, bi-metal thermostats and thermal fuses. We also fit customer specified thermistors and other resistance temperature devices as well as extruded pockets for customers to fit their own sensors. Separate mechanical or digital thermostats can be supplied for process control.

  Heating of Electronic Components- ATM's and Photocopiers


 
How To Order Silicone Rubber Flexible Heaters
1)    Specify length and width
2)    Specify watts and Volts
3)    Specify type of temperature control required-Thermocouple, RTD, Pre-Set T-stat etc
4)    Specify with or without sticky back (PSA-pressure sensitive adhesive)
5)    Specify holes, notches, cutouts etc.
6)    Provide drawing and or image or sample when required
7)    Specify length of leads
8)    Specify type of application and its parameters