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DOWSIL™ TC-5351 Thermally Conductive Compound – Thermal Compound – Automotive Applications

-Item Name: DOWSIL™ TC-5351 Thermally Conductive Compound
-Manufacturer: The Dow Chemical Company
-Technologies: Filled with thermally conductive fillers in a siloxane polymer matrix; one-part, non-curing formulation with high thermal conductivity and vertical gap-fill capability up to 1.0 mm
-Color: Grey
-Cure Type: Non-curing
-Package Size: Contact to Avantek for details.
-Shelf Life: Contact to Avantek for details.

1. Product Overview

DOWSIL™ TC-5351 is a one-part, non-curing, thermally conductive compound formulated with thermally conductive fillers and a siloxane polymer matrix. It is designed to provide efficient heat transfer from electronic devices to heat sinks, improving overall thermal management. This grease-like silicone material offers high thermal conductivity, excellent stability on vertical surfaces, and the ability to fill vertical gaps up to 1.0 mm.

2. Applications

  • Power applications requiring thermal management.
  • Thermal interface material for heat sinks and chassis in electronic and PCB system assemblies.
  • Used in compact electronic devices that generate high heat.
  • Applied through automated or manual dispensing.

3. Typical Properties

Property Unit Value
One-part or Two-part One-part
Color Grey
Viscosity cP / mPa·s / Pa·s 300,000 / 300,000 / 300
Thixotropy 2
Specific Gravity (Uncured) 3.1
Thermal Conductivity W/mK 3.3
Dielectric Strength kV/mm 6.3
Volume Resistivity ohm·cm 3.1E+13

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