Dow Corning® 1-2577 Conformal Coating

Dow Corning® 1-2577 Conformal Coating

Silicone for assembly, conformal coating

Silicone for assembly, conformal coating

One-part, transparent medium viscosity conformal coating with firm, abrasion resistant surface after cure

Features

  • One-part
  • Low viscosity dispersion in solvent
  • Ease of application by spraying, dipping, brushing or flow coating
  • Room temperature cure or rapid heat cure with additional catalyst
  • Good adhesion
  • Clear
  • Stable and flexible from -60°C (-76°F) to 200°C (392°F)
  • Contains a dye, fluorescent under UV light
  • Excellent dielectric properties
  • Underwriters Laboratories: UL 746C

Applications

  • Designed to provide long-term coating against moisture and atmospheric contaminants.
  • Typical applications include: coating of thick film circuitry, porous substrates and printed circuit boards.
Color Transparent
Dielectric Constant at 100 Hz = 2.74
Dielectric Constant at 100 kHz = 2.74
Dielectric Strength = 400 volts per mil v/mil
Dissipation Factor at 100 Hz = 0.0042
Dissipation Factor at 100 kHz < 0.0002
Durometer – Shore A = 80 Shore A
Flowable
Temperature Range -45°C to 200°C
Viscosity = 950 mPa.s
Volume Resistivity = 5e+013 ohm-centimeters

Dow Corning 1-2577 Conformal Coating can be applied by spraying dipping, brushing or flow coating. Low volume spray applications using a hand held spray gun, dilution to 40% solids using dry aromatic solvents such as xylene or toluene is recommended.