Applications

DOWSIL™ SE 4420 Thermally Conductive Adhesive

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

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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