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Thermal Management

SYLGARD™ 1-4128 Conformal Coating – Silicone-based coating – Electrical insulation and protection of electronic assemblies

  • Technology: Heat-cure, solvent-free, silicone conformal coating
  • Brand Name: SYLGARD™ 1-4128 Conformal Coating
  • Manufacturer: The Dow Chemical Company
  • Package Size: 0.45 kg, 3.6 kg, 18 kg, 200 kg (not all sizes may be available)
  • Shelf Life: 24 months (at 32°C)

1. Product Overview:

SYLGARD™ 1-4128 Conformal Coating is a two-part, solvent-free, medium viscosity silicone coating that is heat curable. It is designed for fast, low-temperature curing and provides a flexible, moisture-resistant barrier with excellent adhesion to a wide variety of electronic components, especially those using low-solids (no-clean) and no-lead solder flux residues. This product is ideal for moderate to high production throughput and is suitable for applications requiring longer storage or shipping time.


2. Applications:

  • Protective coating for rigid and flexible circuit boards
  • Printed wiring board (PWB) applications
  • Sensitive components and fine-pitch designs

3. Typical Properties:

Property Unit Before Mixing After Mixing
Viscosity cP, mPa·sec, Pa·sec 475 cP 475 cP
Tack Free Time minutes 3 min N/A
Cure Time minutes 5 min N/A
Durometer (Shore 00) 64 Shore 00 N/A
Shelf Life months 24 months N/A

BERGQUIST microTIM mTIM 1028 Thermal Interface Coating High performance thermal management solution for nickel finished heat sinks, optical transceivers, and data center liquid cooling systems

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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