Dow Corning® 1-2577 Conformal Coating

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Silicone for assembly, conformal coating

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Silicone for assembly, conformal coating

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

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Features

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

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• Designed to provide long-term coating against moisture and atmospheric contaminants.
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• Typical applications include: coating of thick film circuitry, porous substrates and printed circuit boards.
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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

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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.

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