DOWSIL™ 3-1953 Conformal Coating

One-part, translucent, fast moisture RTV cure with mild heat acceleration possible, soft, stress-relieving, contains UV indicator.

Uses:

Elastomeric conformal coating
Suitable for lighting, industrial and automotive industries requiring various reliability standards as a coating for rigid and flexible circuit boards, electronic printed wiring boards (PWB), sensitive components and fine pitched designs.

These values are not intended for use in preparing specifications.

Color Yes No Translucent
Cure Characteristics Yes No Fast Room Temp Tack-Free Time < 10 min
Cure Type Yes No Alkoxy Cure, Methoxy Cure
Dielectric Strength Yes No 425 volts per mil v/mil
Dispensing Characteristics Yes No Fast, Very High Flow < 350 cps
Dissipation Factor at 100 Hz Yes No 0.0007
Dissipation Factor at 100 kHz Yes No < 0.0002
Durometer - Shore A Yes No 34
Dynamic Viscosity Yes No 350 cPs
Elongation Yes No 60 %
Flowable Yes No Yes
Number of Parts Yes No One Part
Primerless Adhesion Yes No Yes
Self Leveling Yes No Yes
Solvent Type Yes No Solventless
Special Characteristics Yes No IPC-CC-830B Recognized, MIL Spec, UL Recognized
Specific Gravity Yes No 0.98 @ 25°C

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