COOLTHERM TC-404

Harmonization Code : 8473.30.80.00 | Parts and accessories (other than covers, carrying cases and the like) suitable for use solely or principally with machines of headings 8470 to 8472 ; Parts and accessories of the machines of heading 8471 ; Other; Other

COOLTHERM TC-404

Main features

  • 4.3 W/(m K) Thermal Conductivity
  • 212,400 cP Viscosity
  • Reworkable Non-Curing Interface

Product Description

CoolTherm TC-404 Thermally Conductive Grease is a one-component, non-reactive, solvent-free silicone thermal grease for reworkable interfaces between heat-generating electronic devices and heat sinks. Typical viscosity is 212,400 cP at 25 deg C at a shear rate of 5/sec, and typical thermal conductivity is 4.3 W/(m K). Because the grease does not cure, the heat sink can be removed when rework is required. The material provides a thermal interface without forming a permanently cured bondline.

Key features

  • Thermal conductivity: Typical thermal conductivity is 4.3 W/(m K).
  • Shear-rate viscosity: Typical viscosity is 212,400 cP at 25 deg C at a shear rate of 5/sec.
  • Reworkable non-curing interface: The non-reactive grease does not cure, allowing heat-sink removal for rework.

Applications

Reworkable thermal interface between heat-generating electronic devices and heat sinks.

Product Family

COOLTHERM TC-404

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Gray Paste
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
2.9
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
212,400 mPa.s
Thermal Properties
Thermal Conductivity
Thermal conductivity describes the ability of a material to conduct heat. It is required by power packages in order to dissipate heat and maintain stable electrical performance. Thermal conductivity units are [W/(m K)] in the SI system and [Btu/(hr ft °F)] in the Imperial system.
4.3 W/m.K

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