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DOWSIL™ TC-5550 Thermally Conductive Compound – Two-component silicone compound – Thermal management and insulation for electronic and industrial applications

  • Technology: Thermally Conductive Silicone Compound
  • Brand Name: DOWSIL™ TC-5550 Thermally Conductive Compound
  • Manufacturer: Dow Chemical Company
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: Contact Techniq VN for details.

 

 

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DOWSIL™ TC-5550 Thermally Conductive Compound

1. Product Overview

DOWSIL™ TC-5550 is a gray, thixotropic, non-curing thermally conductive compound designed for efficient heat transfer in electronic modules. It features high thermal conductivity, excellent pump-out resistance, and a solvent-free formulation for material stability. The compound enables thin bond line thickness (BLT) for better thermal performance and is screen/stencil printable for easy application.

2. Applications

  • Thermal management for electronic modules
  • Bare die applications requiring good pump-out resistance
  • PCB system assemblies in consumer electronic devices
  • Heat sink and chassis interface for efficient cooling
  • Ideal for compact device designs that generate significant heat

3. Typical Properties

Property Unit Value
Before Application
Color Gray
Material Type One-part, silicone-based
Viscosity at High Strain (ASTM D4440-15) Pa·s 120–170
Thixotropic Index ~8
Specific Gravity (ASTM D1298) g/mL 2.6
Non-volatile Content (48 hours @ 125°C) % 99.96
After Application
Thermal Conductivity (ISO 22007-2:2015) W/m·K 5.0
Thermal Resistance @ 40 psi (~25 N/cm²) (ASTM D5470) °C·cm²/W 0.05
Bond Line Thickness (BLT) @ 40 psi (~25 N/cm²) mm (inch) 0.02 (0.0008)

BERGQUIST microTIM mTIM 1028 Thermal Interface Coating High performance thermal management solution for nickel finished heat sinks, optical transceivers, and data center liquid cooling systems

BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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