Applications

DOWSIL™ CC-3122 Conformal Coating – Protective coating for electronic printed wiring boards and sensitive components

  • Item Name: DOWSIL™ CC-3122 Conformal Coating

  • Manufacturer: Dow

  • Technologies: One-part, solventless RTV silicone (Polydimethylsiloxane)

  • Color: Translucent

  • Cure Type: Room temperature vulcanization (RTV) with optional heat acceleration

  • Package Size: Contact to Techniq VN for details.

  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

DOWSIL™ CC-3122 Conformal Coating is a one-part, translucent, solventless RTV silicone coating designed for protective electronic applications. It cures at room temperature through atmospheric moisture, with the option to accelerate using mild heat. Featuring low viscosity for excellent flow into narrow gaps, it incorporates a UV inspection indicator and delivers stress relief for delicate interconnections. The product ensures reliable dielectric protection and environmental resistance, while remaining cost-effective due to its solvent-free formulation.


2. Applications

  • Protective coating for rigid circuit boards

  • Printed Wiring Boards (PWB)

  • Fine pitch and sensitive electronic components

  • Applied via dip coating, brush flow, or automated spray processes

3. Typical Properties

Property Unit Still Not Mixed (One-part) After Cured
Appearance Translucent Translucent
Viscosity mPa·s 80
Specific Gravity 1.03
Skin-Over Time (25°C / 50% RH) min 6
Hardness Shore A 75
Dielectric Strength kV/mm 32
Volume Resistivity ohm·cm 2.3 × 10¹⁶
UL Flammability V-0
Useful Temperature Range °C -40 to 200

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