Applications

DOWSIL™ SE 4402 Thermally Conductive Adhesive

Technology: Thermally Conductive Silicone Adhesive
Brand Name: DOWSIL™ SE 4402 Thermally Conductive Adhesive
Manufacturer: Dow Chemical Company
Package size: Contact Avantek for details.
Shelf life: Contact Avantek for details.

1. Product Overview

DOWSIL™ SE 4402 is a one-part, gray, flowable thermally conductive adhesive. It is designed to provide strong adhesion and efficient heat dissipation for electronic and automotive applications.

Key Features & Benefits:

  • One-part formulation – no mixing required
  • Long working time
  • Heat curable for fast processing
  • Flowable consistency for ease of application
  • Excellent adhesion to various substrates
  • Thermally conductive, aiding in heat dissipation

Composition:

  • Thermally conductive filler
  • Polydimethylsiloxane adhesive

2. Applications

DOWSIL™ SE 4402 is designed for long-term bonding and efficient thermal management in electronic assemblies.

Common Uses:

  • Bonding organic and ceramic substrates to heat sinks
  • Thermal management for control modules in automotive applications
  • PCB system assemblies where heat dissipation is critical

3. Typical Properties

Property Unit Result
Before Curing
Color – Gray
Fluidity mm 65
Viscosity cP (mPa·s) 32,000
Specific Gravity – 2.2
Heat Cure Time at 150°C minutes 30
After Curing
Durometer Hardness Shore A 75
Tensile Strength psi (MPa) 800 (5.5)
Elongation % 115
Unprimed Adhesion (Lap Shear, Al) psi (MPa) 530 (3.65)
Dielectric Constant (1 MHz) – 4.8
Dissipation Factor (1 MHz) – 0.003
Dielectric Strength volts/mil (kV/mm) 625 (25)
Volume Resistivity ohm-cm 3E+15
Thermal Conductivity btu/hr-ft-°F (W/mK) 0.52 (0.9)
Curing Process
Recommended Cure Temp °C 100+
Pre-cure for Thick Sections minutes @ 70°C 30
Usable Temperature Range °C -45 to 200

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.

RELATED PRODUCT

Contact Technical Support

Leave your information or contact via Hotline, our Customer Support Technical team will contact you immediately! 

(+84) 944 415 762

(+84) 889 901 929

Our operators are ready to assist from 8:30 AM to 5:30 PM (GMT+7).
For requests outside of the above hours, please submit the request form.