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Thermal Management

DOWSIL™ Q1-9226 Thermally Conductive Adhesive – Two-component silicone adhesive – Heat dissipation and bonding in electronic assemblies

  • Technology: Two-part thermally conductive silicone adhesive
  • Brand Name: DOWSIL™ Q1-9226 Thermally Conductive Adhesive
  • Manufacturer: Dow Chemical Company
  • Package Size: Contact Techniq VN for details
  • Shelf Life: Contact Techniq VN for details

1. Product Overview

DOWSIL™ Q1-9226 is a two-part, semi-flowable thermally conductive silicone adhesive designed for heat dissipation in electronic and automotive applications. It offers:

  • 1:1 mix ratio for ease of use
  • Accelerated heat cure with no by-products, allowing deep-section curing
  • Long pot life for extended workability
  • Self-priming adhesion to metals, ceramics, and plastics

2. Applications

DOWSIL™ Q1-9226 is used for thermal management in electronic assemblies. Common applications include:

  • Bonding organic and ceramic substrates to heat sinks
  • Automotive control modules requiring efficient heat dissipation
  • PCB system assemblies in consumer electronics

3. Typical Properties

Before Mixing (Individual Components)

Property Part A Part B
Color Gray Gray
Viscosity (cP) 48,000 43,000

After Mixing

Property Unit Result
Mixed Viscosity cP 59,000
Specific Gravity (Cured) 2.14
Hardness Shore A 67
Tensile Strength psi / MPa 600 / 4.15
Elongation % 124
Unprimed Adhesion – Lap Shear (Al) psi / MPa 375 / 2.6
Dielectric Strength volts/mil 630
Thermal Conductivity W/m·K 0.8
Usable Temperature Range °C -45 to 200

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BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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