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

Dow DOWSIL TC-4605 A&B Kit

Dow DOWSIL TC-4605 A&B Kit is a two-part thermally conductive silicone elastomer system from Dow’s DOWSIL™ portfolio. Designed for high-reliability thermal interface applications, it offers excellent thermal conductivity (1.5 W/mK), low compression set, and robust adhesion to metals and plastics. Ideal for EV battery modules, power electronics, and LED lighting.
  • dow dowsil tc 4605 a b kit_e5230e0a
  • dow dowsil tc 4605 a b kit_e5230e0a

Features Of Dow DOWSIL TC-4605 A&B Kit

  1. Two-component, addition-cure silicone thermal interface material offering excellent long-term reliability under thermal cycling.

  2. Low thermal resistance and high thermal conductivity (1.5 W/m·K) for efficient heat dissipation in power electronics.

  3. Non-sag, paste-like consistency enables precise dispensing and gap-filling without slumping or migration.

  4. UL 94 V-0 rated for flame retardancy and compliant with RoHS and REACH regulatory requirements.

  5. Stable performance across wide operating temperature range (–40 °C to +200 °C).

Typical Applications Of Dow DOWSIL TC-4605 A&B Kit

  1. Thermal management of IGBT modules and power inverters in electric vehicles (EVs) and hybrid systems.

  2. Heat transfer between CPUs, GPUs, and heatsinks in high-performance computing and data center hardware.

  3. Interface bonding in LED lighting assemblies requiring durable thermal conduction and electrical insulation.

  4. Thermal interface layer in renewable energy converters, including solar inverters and wind turbine power electronics.

Specifications Of Dow DOWSIL TC-4605 A&B Kit

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-part kit (Component A: base; Component B: catalyst)
AppearanceOff-white, homogeneous paste (A); off-white, viscous liquid (B)
Primary ApplicationsThermal interface material (TIM) for power electronics and high-heat dissipation devices
Key FeaturesNon-sag, low thermal resistance, flame-retardant, electrically insulating
BenefitsImproved thermal reliability, simplified automated dispensing, reduced interfacial voids
Curing MechanismAddition cure (no by-products)
Storage Stability12 months at ≤25 °C (unopened containers)


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *