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

Dow DOWSIL TC-5022 Thermally Conductive Adhesive

Dow DOWSIL TC-5022 is a thermally conductive adhesive from Dow’s DOWSIL series—designed for bonding heat-sensitive electronics. It offers low thermal resistance, excellent adhesion to plastics/metals, and room-temperature curing. UL 94 V-0 rated, it enables reliable thermal management in EVs, LEDs, and power modules without voiding or pump-out.
  • dow dowsil tc 5022 thermally conductive adhesive_414776ca
  • dow dowsil tc 5022 thermally conductive adhesive_414776ca

Features Of Dow DOWSIL TC-5022 Thermally Conductive Adhesive

  1. High thermal conductivity (≥ 2.2 W/m·K) for efficient heat dissipation in demanding electronic assemblies.

  2. Low modulus silicone formulation enables stress relief and accommodates coefficient of thermal expansion (CTE) mismatches.

  3. Room-temperature cure with optional heat acceleration, supporting flexible manufacturing workflows.

  4. Excellent adhesion to common substrates including aluminum, copper, ceramics, and FR-4 PCBs without primers.

  5. UL 94 V-0 rated for flame resistance, meeting critical safety requirements in power electronics and automotive systems.

Typical Applications Of Dow DOWSIL TC-5022 Thermally Conductive Adhesive

  1. Thermal interface bonding of IGBT modules and power semiconductor packages in electric vehicle inverters.

  2. Attachment of heat sinks to LED drivers and high-brightness LED arrays in outdoor lighting systems.

  3. Die-attach and thermal management of sensors and control units in automotive under-hood electronics.

  4. Thermal bonding of battery module components, including cell-to-heat spreader interfaces in EV battery packs.

Specifications Of Dow DOWSIL TC-5022 Thermally Conductive Adhesive

Chemical TypeFiller-loaded addition-cure silicone elastomer
Product FormTwo-component paste (Part A + Part B)
AppearanceOff-white, homogeneous paste
Primary ApplicationsStructural thermal interface material (TIM) for power electronics
Key FeaturesThermally conductive, electrically insulating, low-stress, flame retardant
BenefitsEnables miniaturization, improves long-term reliability, reduces thermal resistance at interfaces
Cure SystemPt-catalyzed hydrosilylation (RT cure; accelerated at 80–125°C)
UL RecognitionUL 94 V-0 (per UL 746C, 1.5 mm thickness)


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