Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow DOWSIL TC-4525 CV Thermally Conductive Adhesive

Dow DOWSIL TC-4525 CV is a thermally conductive, electrically insulating silicone adhesive designed for bonding and gap-filling in power electronics. It offers excellent thermal conductivity (1.5 W/mK), low modulus for stress relief, and CV (cure-on-vacuum) capability for void-free curing under vacuum. Ideal for EV inverters, LED modules, and IGBT assemblies.
  • dow dowsil tc 4525 cv thermally conductive adhesive_b9d1e9d9
  • dow dowsil tc 4525 cv thermally conductive adhesive_b9d1e9d9

Features Of Dow DOWSIL TC-4525 CV Thermally Conductive Adhesive

  1. High thermal conductivity (1.5 W/m·K) for efficient heat dissipation in demanding electronic assemblies.

  2. Room-temperature cure with optional heat acceleration, enabling flexible manufacturing integration.

  3. Low modulus elastomeric formulation that accommodates coefficient of thermal expansion (CTE) mismatch between substrates.

  4. Excellent adhesion to common electronics substrates including aluminum, copper, FR-4, and molded plastics without primers.

  5. UL 94 V-0 rated for flame resistance, supporting compliance in safety-critical applications.

Typical Applications Of Dow DOWSIL TC-4525 CV Thermally Conductive Adhesive

  1. Thermal interface bonding of power modules and IGBTs to heat sinks in electric vehicle inverters.

  2. Die attach and heat spreader attachment in high-power LED lighting systems.

  3. Thermal management of battery module cold plates and cell-to-plate interfaces in EV battery packs.

  4. Attachment of sensors, controllers, and DC-DC converters in automotive under-hood electronics.

Specifications Of Dow DOWSIL TC-4525 CV Thermally Conductive Adhesive

Chemical TypeCondensation-cure silicone adhesive
Product FormTwo-component (Part A + Part B), paste
AppearanceOff-white, uniform paste
Primary ApplicationsStructural thermal interface material (TIM) for power electronics
Key FeaturesThermally conductive, electrically insulating, low-stress, flame retardant
BenefitsReduces thermal resistance, improves reliability under thermal cycling, eliminates mechanical fasteners
Cure MechanismRoom temperature (7 days) or accelerated (60°C for 2 hours)
Storage Stability12 months at ≤25°C (unopened)


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