DOWSIL™ SE 4486 Thermally Conductive Adhesive

What is DOWSIL™ SE 4486 Thermally Conductive Adhesive?

One-part, white, 1.6 W/mK thermally conductive adhesive formulated for sealing and bonding components in electronics applications, such as electronic control units (ECU), home appliances, and power devices. DOWSIL™ SE 4486 Thermally Conductive Adhesive is a room temperature cure product with good adhesion and a fast tack-free time.

Uses

Heat dissipation
Sealing
Bonding
Thermal interface material (TIM)

Benefits

Thermal conductivity: 1.6 W/mK
Room temperature cure: moisture exposure
Adhesion: 1.7 MPa aluminum lap shear joint
Tack-free time: 4 minutes
Elongation at break: 43 %

Properties

Typical Properties
Color	White
Cure Type	Moisture cure, Room temperature cure
Durometer - Shore A	81
Elongation	43 %
Material Type	Adhesive
Number of Parts	1 part
Specific Gravity	2.6
Tensile Strength in MPa	3.9 MPa
Thermal Conductivity	1.6 W/m・K

Materials Training

These videos explain the importance of heat protection in electronics, introduce five types of thermally conductive materials, demonstrate handling and dispensing methods, and offer tips for choosing the best Dow silicone solutions for optimal thermal management.