Dow Corning 1-2577 Primary Applications
Protective coating for rigid and flexible printed circuit boards, and protective coating for impregnating porous substrates.

Overview

DOWSIL? 1-2577 conformal coating is a transparent silicone resin with excellent high and low frequency dielectric properties, offering superior thermal shock resistance compared to conventional silicone resins. It also exhibits excellent moisture resistance and outstanding light transmission capability when used in solar devices.

Primary Applications

Protective coating for rigid and flexible printed circuit boards, and protective coating for impregnating porous substrates.

Overview

Dow Corning DC1-2577 conformal coating is a transparent silicone resin with excellent high and low frequency dielectric properties, offering superior thermal shock resistance compared to conventional silicone resins. It also exhibits excellent moisture resistance and outstanding light transmission capability when used in solar devices. Density at 25°C = 1.04

Volume Resistivity = 5e+013 ohm-centimeters

Shelf Life = 1080 days

Dynamic Viscosity = 725 centipoise

Flowable

Room Temperature Cure - Hours = 1 hour

Temperature Range -65°C to 200°C

Heat Cure 2 minutes @ 60°C

Hydrophobic

Hardness - D = 23 Shore D

Dielectric Strength = 400 volts/mil

Dielectric Constant (100Hz) = 2.74

Dielectric Constant (100kHz) = 2.74

Water Resistant

Dissipation Factor (100Hz) = 0.0042

Dissipation Factor (100kHz) <0.001

Self-Leveling

Tack-Free Time - 50% Relative Humidity = 7 minutes

Color: Clear