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Item # Tpcm FSF-52 /, Tpcm™ FSF-52 Phase Change Material

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Tpcm™ FSF-52 is a free standing film. It contains no substrate. At temperatures greater than 52°C, Tpcm™ FSF-52 changes into a molten state and, under low closure force, wets the heat sink and component surfaces to create a very thin, low thermal resistance interface.

Tpcm™ FSF-52 is thixotropic and won't flow from the interface. Tpcm™ FSF-52 has superior thermal performance comparable to the highest performing grease and phase change products available.

Since it is a free standing film, it is easy to handle and is a great replacement for messy grease.

Tpcm™ FSF-52 is available as individual die cut parts, kiss cut parts on rolls or sheets, and uncut rolls. Tpcm™ FSF-52 is 0.005" (0.125mm) and available with or without adhesive.

 Specifications   Features and Benefits   Applications   

Construction and Composition

Ceramic filled wax based free standing film



Test Method - Color



0.005 inches
0.125 mm

Thickness Tolerance

±0.001 inches
±0.025 mm


2.00 g/cc

Test Method - Density

Helium Pycnometer

Shelf Life


UL Flammability Rating

94 V0

Maximum Temperature

200 ºC

Phase Change Temperature

52 ºC

Thermal Conductivity

0.90 W/m-K

Test Method - Thermal Conductivity

ASTM D5470

Thermal Resistance at 10 psi

0.042 ºC-in2/W
0.270 ºC-cm2/W

Thermal Resistance at 50 psi

0.030 ºC-in2/W
0.190 ºC-cm2/W

Test Method - Thermal Resistance

ASTM D5470 (modified)

Dielectric Constant at 1 kHz


Dielectric Constant at 1 MHz


Test Method - Dielectric Constant


Volume Resistivity

7.9 x 1013

Sheet Size

9 x 9 inches
18 X 18 inches


18" x 250 ft on 3" core
18" x 250 ft on 10" core

Pressure Sensitive Adhesive

Zone Coat


RoHS Test Report
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MSDS Sheet
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