Products

DOWSIL™ TC-4060 Thermally Conductive Gel – Thermal Gel – Electronics Cooling

-Item Name: DOWSIL™ TC-4060 Thermally Conductive Gel
-Manufacturer: The Dow Chemical Company
-Technologies: Two-part, addition-cure silicone gel (1:1 mix) that cures at room temperature with optional heat acceleration; 100% silicone (PDMS) formulation with high thermal conductivity (6 W/m·K) and optional glass beads for enhanced performance
-Color: White/Blue
-Cure Type: Addition-cure (room temperature cure with optional heat acceleration)
-Package Size: Contact to Avantek for details.
-Shelf Life: 9 months

1. Product Overview

DOWSIL™ TC-4060 Thermally Conductive Gel is a two-part silicone-based material with a thermal conductivity of 6 W/m.K. It is designed to dissipate heat efficiently while maintaining long-term performance stability in temperatures up to 150°C. The gel cures at room temperature with an option for heat acceleration and remains soft and compressible after curing. It is ideal for automated dispensing with meter mix equipment.


2. Applications

  • Used for heat dissipation in electronic components mounted on printed circuit boards.
  • Provides a reliable cooling solution for devices that require thermal management.
  • Designed for automated dispensing using meter mix equipment to ensure smooth assembly integration.
  • Functions as a stress-relieving shock and vibration absorber over a wide temperature range.
  • Resistant to ozone, UV degradation, and environmental contaminants.

3. Typical Properties

Property Unit Part A Part B Mixed
Appearance White Blue
Viscosity (1s⁻¹) mPa·s 450,000 540,000 450,000
Viscosity (10s⁻¹) mPa·s 120,000 130,000
Specific Gravity 3.5 3.5
Mix Ratio 1:1 1:1
Cure Time at 22°C Hours 24
Cure Time at 80°C Minutes 30
Pot Life at 22°C Minutes 80
Durometer (Shore 00, 24h at 25°C) 55
Durometer (Shore 00, 1h at 110°C) 58
Thermal Conductivity W/m.K 6.0
Coefficient of Thermal Expansion (CTE) ppm/°C 230
Dielectric Strength kV/mm 9
Volume Resistivity Ohm·cm 4E+12
Shelf Life (<40°C) Days 270

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