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Thermal Management

DOWSIL™ SE 4420 – Two-component silicone adhesive – Thermal management and structural bonding in electronic and industrial applications

  • Technology: One-part, moisture-cure, thermally conductive silicone adhesive
  • Brand Name: DOWSIL™ SE 4420 Thermally Conductive Adhesive
  • Manufacturer: Dow
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: Contact Techniq VN for details.

3. Typical Properties

Before Curing (Unmixed)

Property Unit Value
Type One-part
Color White
Fluidity mm (inches) 48 (1.9)
Non-volatile content (NVC) % 98
Tack-Free Time (25°C) Minutes 8

After Curing (Mixed & Cured)

Property Unit Value
Specific Gravity (Cured) 2.26
Tensile Strength psi (MPa) 600 (4.1)
Elongation % 77
Hardness (Shore A) 76
Lap Shear Strength (Aluminum) psi (MPa) 390 (2.7)
Thermal Conductivity Btu/hr-ft-°F (W/mK) 0.53 (0.92)
Usable Temperature Range °C (°F) -45 to 200 (-49 to 392)

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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