DOWSIL 1-2577 is a transparent, single-component, solvent-free silicone conformal coating that cures at room temperature, providing excellent electrical insulation, flame resistance, and protection against moisture, dust, and vibration for PCBs and electronic components.
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Notify me when its in stockDOWSIL™ 1-2577 Conformal Coating is a transparent, single-component, solvent-free, room-temperature curing (RTV) silicone coating material developed for the protection of printed circuit boards (PCBs).
This high-performance coating protects electronic circuits from moisture, dust, salt spray, chemical vapors, temperature variations, and mechanical vibration, ensuring safe and long-lasting operation of the system. Its low viscosity allows it to be applied as a thin film and penetrate into detailed areas. It can be applied by brushing, dipping, or spraying.
After curing, it forms a flexible layer, which provides resistance to cracking under thermal expansion and mechanical stress. It is UL 94 V-0 flame-retardant certified and offers excellent electrical insulation. Thanks to these features, it is widely used in automotive electronics, aerospace applications, power modules, LED drivers, and telecommunication systems.
Solvent-free, single-component formulation
Transparent – maintains visibility of components
Low viscosity – easy application
Room-temperature curing (RTV)
High electrical insulation
Resistant to thermal expansion and humid environments
UL 94 V-0 flame-retardant compliant
Flexible across a wide temperature range
PCB (printed circuit board) protection coatings
LED modules and drivers
Automotive control units
Telecommunication systems
Power supplies and inverters
Industrial control panels
Military and aerospace electronics
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