Name: Dow DOWSIL SE 4486 Thermally Conductive Silicone Adhesive
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Dow DOWSIL SE 4486 Thermally Conductive Silicone Adhesive

High thermal conductivity (1.5 W/m·K) for efficient heat dissipation in demanding electronic assemblies.
Low modulus silicone formulation provides excellent stress relief and long-term reliability under thermal cycling.
Room-temperature vulcanizing (RTV) with rapid tack-free time and full cure within 24 hours at ambient conditions.
Excellent adhesion to common substrates including aluminum, copper, stainless steel, and FR-4 PCBs without primers.
UL 94 V-0 rated for flame retardancy and compliant with RoHS and REACH regulations.

Typical Applications Of Dow DOWSIL SE 4486 Thermally Conductive Silicone Adhesive

Thermal bonding of power electronics modules (e.g., IGBTs, MOSFETs) to heat sinks.
Attachment of LED packages and drivers in high-brightness lighting systems.
Die-attach and heat sink mounting in automotive ADAS and infotainment control units.
Thermal interface bonding in 5G base station power amplifiers and RF modules.

Chemical Type	Platinum-cured addition-cure silicone elastomer
Product Form	Two-component (Part A: filler-rich paste; Part B: catalyst paste)
Appearance	Off-white, non-sag paste (Part A); colorless to pale yellow paste (Part B)
Primary Applications	Structural thermal bonding and gap-filling in power electronics
Key Features	Thermally conductive, electrically insulating, low-stress, RTV-curing
Benefits	Reduces thermal resistance, prevents delamination under thermal cycling, eliminates mechanical fasteners
Cure System	Addition cure (platinum catalyzed), no by-products
Storage Stability	12 months at ≤25 °C in unopened containers

Get in Touch with ERICW

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Contact With Us:

E-mail: wangxingqiang@ericwchem.com
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15921782326
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China