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Silicone Putty

SARCON Silicone Putty are highly conformable, thermally conductive, non-flammable interface materials.  The surface consistency is excellent for filling small air gaps and uneven mating surfaces, making reliable contact with various shapes and sizes of components.

SARCON GR-PM and PG25A feature very low compression force at high compression rates and are suitable for gaps as small as 0.3mm or less.

SARCON PG80A and XR-UM are the highest thermally conductive putty types with 13W/m-K and 17W/m-K.  Their putty material greatly contributes to the reduction of contact resistance and consequently to its low thermal resistance.  XR-UM-AL is also available with an aluminium film on one surface which enables the users to remove the carrier film after installation (before operation) with no pull-out effect.

Key Features of Silicone Putty:

  • Thermal Conductivity up to 17 W/m-K.
  • Suitable for gaps as small as 0.3mm or less.
  • Very low compression force at high compression rate.
  • Putty nature enables low contact thermal resistance.
  • Very Low Molecular Siloxane Content.
  • Flame Retardant of UL94 V-0 Specification.

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Material Properties Unit PG25A GR-PM PG80A XR-UM
 Thermal Conductivity W/m-K
(Hot Wire)		 2.8 6.0 N/A N/A
W/m-K
(Hot Disk)		 2.5 4.5 8.0 11.0
W/m-K (ASTM D5470) N/A N/A 13.0 17.0
Thickness Availability mm 1.0 to 5.0 1.5, 2.0, 2.5 0.5. 1.0, 1.5, 2.0 0.2, 0.3, 0.4, 0.5
Recommended Operating Temperature
 		 °C
 		 -40 to +150 -40 to +150 -40 to +150 -40 to +150
°F -40 to 302 -40 to +302 -40 to +302 -40 to +302
Colour N/A Grey Dark Reddish Grey Blue Light Grey
Construction N/A Plain Type
Plain Type with PET Film on one Surface		 Plain Type Plain Type Plain Type
Plain Type with Aluminium Film
Data Sheet PDF Data Sheet Download Data Sheet Download Data Sheet Download Data Sheet Download


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