Posted in | Composite Materials

Unigraph 9000™: A Graphite Thermal Interface Material (0.032 mm)

UniGraph 9000 offers outstanding thermal performance and effective heat distribution properties.

It is perfectly suited for thermal coupling with heat sinks. UniGraph 9000 is based on graphite and is engineered to thermally link metal surfaces that do not necessitate electrical isolation. UniGraph 9000 ensures reliable and consistent thermal performance.

This results in a predictable and repeatable level of thermal conductivity, which is challenging to manage with grease.

Benefits

  • Reliable and uniform thermal performance
  • Economical thermal solution suitable for a diverse range of applications that do not necessitate electrical isolation
  • Simple to manage and implement
  • Substitutes cumbersome grease application with no risk of pump-out or drying out

Features

  • Graphite thermal interface material that does not provide electrical isolation
  • The soft surfaces on either side of the material function to minimize interfacial thermal resistance
  • An outstanding, clean alternative to thermal grease

Recommended Uses

Thermally connecting metal-backed PCBs to heatsinks, cold walls, or adjacent metal structures. Attaching an LED lighting module to a heatsink is applicable in automotive, power supply, motor drive, and scenarios where cost efficiency is essential.

Technical Data

Typical Physical Properties

Source: Materials Direct

Property (unit) Test Method UniGraph 9000 (0.04 mm)
Color Visual Black
Thermal Conductivity – Along Material (W/mK) ASTM D5470 1500
Thermal Conductivity – Through Material (W/mK) ASTM D5470 9.5
Electrical Conductivity S/cm ASTM E1269 30000
Operating Temp. (°C) -220 to +300

Electrical and Mechanical Information

Source: Materials Direct

Property (unit) Test Method UniGraph 9000 (0.04 mm)
Tensile Strength (MPa) ASTM F152 25
Hardness (Shore A) ASTM D2240 50
Outgassing CVCM (%) ASTM E595 0.10
Density (g/cc) 1.8
Volume Resistivity (Ωcm) ASTM D257 11 x 10-5

Availability

  • Available as custom die-cut shapes and standard sizes of 150 mm x 500 mm, Rolls 150 mm x 50 m
  • Standard thicknesses of 0.02 / 0.04 / 0.07 and 0.10 mm
  • An optional adhesive layer can be added to one side

Other Equipment by this Supplier

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