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

Dow DOWSIL TC-2035 Adhesive A B Kit

Dow DOWSIL TC-2035 Adhesive A/B Kit is a two-part silicone adhesive offering excellent thermal conductivity (3.5 W/mK), low modulus, and rapid room-temperature cure. Ideal for bonding heat sinks to power electronics, it provides strong adhesion to metals, plastics, and ceramics while resisting thermal cycling and humidity. Part of Dow’s high-performance DOWSIL™ thermal interface materials series.
  • dow dowsil tc 2035 adhesive a b kit_c812a2cd
  • dow dowsil tc 2035 adhesive a b kit_c812a2cd

Features Of Dow DOWSIL TC-2035 Adhesive A B Kit

  1. Two-component, addition-cure silicone adhesive system offering excellent thermal stability and long-term reliability.

  2. Low modulus formulation provides superior stress relief for bonded assemblies subjected to thermal cycling or mechanical vibration.

  3. Room-temperature mixing and dispensing with controlled pot life (≈4 hours at 25°C), enabling flexible production scheduling.

  4. UL 94 V-0 rated after full cure, supporting compliance in safety-critical electronic and electrical applications.

  5. Non-corrosive, platinum-catalyzed chemistry compatible with sensitive substrates including copper, aluminum, and polyimide films.

Typical Applications Of Dow DOWSIL TC-2035 Adhesive A B Kit

  1. Thermal interface bonding of heat sinks to power modules in automotive EV inverters and onboard chargers.

  2. Structural adhesion of LED packages and ceramic substrates in high-brightness lighting systems.

  3. Die attach and underfill encapsulation for semiconductor sensors operating in harsh under-hood environments.

  4. Attachment of temperature-sensitive components in industrial control units requiring minimal thermal stress during operation.

Specifications Of Dow DOWSIL TC-2035 Adhesive A B Kit

Chemical TypePlatinum-catalyzed addition-cure silicone
Product FormTwo-component liquid kit (Part A + Part B)
AppearancePart A: Transparent to light amber liquid; Part B: Clear to pale yellow liquid
Mix Ratio (by weight)1:1
Cure Condition24 hours at 25°C, or accelerated cure at 60–80°C for 2–4 hours
Shore A Hardness (cured)25–30
Volume Resistivity (ASTM D257)>1 × 10¹⁵ Ω·cm
UL RecognitionUL 94 V-0 (per UL 746C, 1.6 mm thickness)


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