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TGF-Y-NS is an electrically insulating extremely thermally conductive silicone-free gap filler. It is ideal for use in applications where thermal transfer over large gaps caused e.g. by big tolerances or different stack up heights must be achieved. The acrylate based elastomer does not contain any volatile siloxanes which are inevitably emitted by silicones. Due to the specific formulation and filling with ceramic particles the material has an extremely high thermal conductivity. Through its softness the material perfectly mates to irregular surfaces thus filling gaps and operates at low pressure. By its use the total thermal resistance is minimised. The natural tackiness of the material allows for an easy and reliable pre-assembly.


  • Silicone-free acrylate
  • No emission of volatile siloxanes
  • Soft and compliable
  • Thermal conductivity: 8.0 W/mK
  • Shock absorbing
  • Easy mounting through self-tackiness


  •  Sheet 400 x 200 mm
  • Double-side tacky
  • Die cut parts
  • Kiss cut parts on sheet


Thermal link of:

  • SMD packages
  • Through-hole vias
  • RDRAMs memory modules
  • Electronic parts to heat pipes

For use in Automotive applications / Laptops / Medicine engineering / Industrial PCs


MaterialCeramic filled silicone-free acrylic elastomerCeramic filled silicone-free acrylic elastomerCeramic filled silicone-free acrylic elastomer
Specific Gravityg/cm³3.43.43.4
HardnessShore 00707070
UL Flammability (Equivalent)UL 94V0V0V0
RoHS Conformity2015 / 863 / EUYesYesYes
Resistance1 @ 60 PSI @ Thickness°C-inch²/W (mm)0.13 (0.55)0.18 (0.75)0.25 (1.13)
Resistance1 @ 30 PSI @ Thickness°C-inch²/W (mm)0.17 (0.72)0.28 (1.30)0.37 (1.80)
Resistance1 @ 10 PSI @ Thickness°C-inch²/W (mm)0.22 (0.83) 0.43 (1.80)0.55 (2.52)
Thermal ConductivityW/mK8.08.08.0
Operating Temperature Range°C- 40 to + 120- 40 to + 120- 40 to + 120
Dielectric StrengthkV / mm7.87.87.8
Volume ResistivityOhm - cm1,0 x 10111,0 x 10111,0 x 1011