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Fujipoly SARCON® GR14B : Thermally Conductive Gap Filler

Fujipoly SARCON® GR14B : Thermally Conductive Gap Filler

Fujipoly SARCON® GR14B is a conformable silicone thermal interface gap filling material for transferring heat away from components to a heat sink. GR14B has a rated thermal conductivity of 1.4 W/m·K and is available in multiple constructions for optimizing die cutting and assembly processes.

Insul-Fab is proud to be an Authorized Distributor and Converter of Fujipoly thermal interface materials, offering custom SARCON parts that are fabricated under a rigorous AS9100 certified quality system, with short lead times, competitive pricing, and low minimums. Many Fujipoly products offer superior performance and high value compared to similar materials from other well-known manufacturers. 

View all Fujipoly SARCON® thermal interface products.


  • Conformable, electrically isolating, heat-conducting silicone gel
  • Fully cured gap filler remains pliable and conforming to surface irregularities.
  • Less oil bleeding than previous products.
  • Diverse product configuration options depending on application and thermal transfer required
  • UL 94V-0 listed for flammability  UL File Number E58126 
  • Custom parts and sheets available
  • Fast-turn prototype and converting with INSUL-FAB's diverse capabilities


Fujipoly SARCON® GR14B Properties
Property Method Typical Value
Color(s) - Pink
Thickness Range, in (mm) - 0.02-0.20
Thermal Conductivity, W/m·K Hot Disk   ISO 22007-2 1.4
Hardness, Shore 00 ASTM D2240 30
Dielectric Strength, Volts/mil (kV/mm) ASTM D149 254 (10)
Flammability Rating UL 94
Service Temperature, Continuous Rec. High: 302oF (150oC)
Low: -40oF (-40oC)
Starting Sheet Size 300mm x 200mm
Format Availability Fabricated Parts or Sheets
Thermoformable No
RoHS Compliant Yes
INSUL-FAB PN Varies by configuration – Contact Us


Fujipoly SARCON® GR14B-00 Thickness Availability
Part Number Thickness
GR14B-00-50PK 0.5mm ± 0.15mm
GR14B-00-100PK 1.0mm ± 0.20mm
GR14B-00-150PK 1.5mm ± 0.20mm
GR14B-00-200PK 2.0mm ± 0.30mm
GR14B-00-250PK 2.5mm ± 0.30mm
GR14B-00-300PK 3.0mm ± 0.30mm
GR14B-00-350PK 3.5mm ± 0.35mm
GR14B-00-400PK 4.0mm ± 0.40mm
GR14B-00-450PK 4.5mm ± 0.45mm
GR14B-00-500PK 5.0mm ± 0.50mm


Fujipoly SARCON® GR14B Construction Variations
Identification Description
GR14B-00 Plain Type
GR14B-F0 Inner Nylon Mesh Reinforcement
GR14B-0H Hardened Top Surface to Reduce Tack
GR14B-FH Inner Nylon Mesh and Hardened Top Surface
GR14B-E0 PET Film Top Surface for Insolation and Sliding


Fujipoly SARCON® products are used in a wide variety of industrial and consumer electrical and electronic applications for heat transfer and insulation.  Product applications include:

  • CPUs and capacitors in computing and sensors
  • Electric vehicle battery packs and charging equipment
  • Telecommunications equipment
  • Lighting and other LED applications
  • Medical devices


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