Products

DOWSIL™ 3-1965 Conformal Coating

  • Brand Name: DOWSIL™ 3-1965 Conformal Coating

  • Package Size: Available in 3.6 kg pails and 18.1 kg pails.

  • Shelf Life: 12 months (1 year) from the date of manufacture.

Product Overview

DOWSIL™ 3-1965 Conformal Coating is a one-part, transparent, solventless, low-viscosity silicone coating designed to protect electronic assemblies from environmental factors. It cures to a soft, low-stress elastomer at room temperature, with the option for heat acceleration to expedite processing. The coating includes a UV indicator to facilitate inspection and is free of added solvents. It meets industry standards such as UL 94 V-0, MIL-I-46058C Amendment 7, and IPC-CC-830 Amendment 1.

 

Applications

DOWSIL™ 3-1965 Conformal Coating is suitable for use with:

  • Rigid and flexible circuit boards
  • Printed wiring boards (PWB)
  • Sensitive components and fine-pitch designs

Typical Properties

The typical properties of DOWSIL™ 3-1965 Conformal Coating are summarized in the following table:

Property Unit Value
Color Transparent
Viscosity cP (Pa·s) 115 (0.115)
Specific Gravity (Cured) 0.99
Tack-Free Time at 25°C minutes 6
Durometer Hardness Shore A 33
Dielectric Strength volts/mil (kV/mm) 425 (17)
Volume Resistivity ohm·cm 8.7 × 10¹⁴
Dissipation Factor at 100 Hz 0.001
Dissipation Factor at 100 kHz <0.0002
UL Flammability Classification 94 V-0
MIL Specification MIL-I-46058C Amendment 7
Agency Listing IPC-CC-830, Amendment 1

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