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TGF-Z-SI Silikon Gap Filler weich

TGF-Z-SI is an electrically insulating thermally conductive silicone 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 heigths must be achieved. Due to the specific formulation and filling with ceramic particles the silicone elastomer has an extremely high thermal conductivity. Through its softness and plasticity the material perfectly mates to irregular surfaces thus optimizing the thermal contact 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.


  • Soft and compliable
  • Thermal conductivity: 11 W/mK
  • Operates at low pressure
  • Extraordinary chemical resistance and longterm stability
  • Shock absorbing
  • Easy mounting through self tackiness
  • One or two-side self-tacky


  • Sheet 200 x 300 mm
  • Tacky on both sides
  • Tacky on one side by talcum coating
  • Die cut parts
  • Kiss cut parts on sheet


Thermal link of:

  • SMD packages
  • Through-hole vias
  • RDRAMs memory modules
  • Capacitors

For use in Automotive applications / Laptops / Medicine engineering / Embedded-boards


MaterialCeramic filled siliconeCeramic filled siliconeCeramic filled silicone
ColourLight greyLight greyLight grey
HardnessShore 00727272
UL FlammabilityUL 94V0V0V0
RoHS Conformity2015 / 863 / EUYesYesYes
Resistance @ 60 PSI @ Thickness°C-inch²/W mm)0.21 (0.82 mm)0.30 (1.21 mm)0.37 (1.59 mm)
Resistance @ 30 PSI @ Thickness°C-inch²/W mm)0.23 (0.89 mm)0.32 (1.33 mm)0.42 (1.76 mm)
Resistance @ 10 PSI @ Thickness°C-inch²/W mm)0.24 (0.95 mm)0.37 (1.41 mm)0.50 (1.88 mm)
Thermal ConductivityW/mK11,011,011,0
Operating Temperature Range°C- 50 bis + 150- 50 bis + 150- 50 bis + 150
Dielectric StrengthkV / mm>14>14>14
Volume ResistivityOhm - cm1,0 x 10111,0 x 10111,0 x 1011
Dielectric Constant1 MHzca. 7,2ca. 7,2ca. 7,2