DOWSIL™ 340 Heat Sink Compound - High-Performance Thermal Interface Material

Dow Chemicial

DC340-50Z

We currently have 15 available.

Sale price $49.27 Regular price $59.99

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DOWSIL™ 340 Heat Sink Compound

Reliable thermal coupling compound designed for optimal heat transfer in electrical devices and PCB assemblies, ensuring enhanced performance and reliability.

Key Features and Benefits

  • Thermally Conductive: Effectively transfers heat from sensitive components to heat sinks, improving reliability.
  • Non-Flowing: Stays in place even in demanding environments, providing consistent thermal coupling.
  • One-Part Compound: Easy to use with no curing or ovens required.
  • High Stability: Offers long shelf life and dependable performance across various industries.
  • Versatile Applications: Ideal for aerospace, aviation, batteries, and electronic boards and assemblies.

Detailed Product Description

DOWSIL™ 340 Heat Sink Compound is a white, thermally conductive compound engineered to dissipate heat efficiently in electronic devices and PCB assemblies. With its non-flowing consistency and high thermal conductivity of 0.67 W/m·K, this compound ensures reliable heat transfer to heat sinks, reducing the risk of overheating and enhancing device longevity.

Its simple one-part formulation eliminates the need for curing or special processing, making it an ideal choice for applications requiring quick and effective thermal management. This product is suitable for aerospace, aviation, battery packs, and a wide range of industrial uses.

For additional details on its legacy branding as Dow Corning™, read our Dow Corning Rebranding Blog Post.

Applications

  • Thermal coupling for electrical devices.
  • PCB assemblies for heat management.
  • Heat sinks in industrial and aviation systems.
  • Components requiring consistent thermal conductivity.

Technical Specifications

  • Color: White
  • Material Type: Compound and Grease
  • Non-Flowable: Yes
  • Shelf Life: 1800 Days
  • Thermal Conductivity: 0.67 W/m·K
  • Specific Gravity @ 25°C: 2.1
  • Viscosity: 542,000 mPa.s

Available Sizes and Part Numbers

Size Packaging Part Number
142g / 5oz Tube 1446622
360g / 13.5oz Cartridge 2653338
9kg / 20lb Pail 1608410

Why Choose DOWSIL™ 340 Heat Sink Compound?

  • Ensures reliable heat transfer and device protection.
  • Long-lasting performance with a shelf life of up to 1800 days.
  • Simple to apply with a non-flowing, stable consistency.
  • Trusted by professionals in aerospace, aviation, and electronics industries.

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