DOWSIL 3140 is a transparent, flexible RTV silicone coating designed for PCB and electronic protection. Offers high dielectric strength, UL 94 V-1 flame retardancy, and resistance to moisture, dust, vibration, and thermal shock. Suitable for automotive, telecom, industrial, and consumer electronics.
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Notify me when its in stockDOWSIL™ 3140 RTV Coating is a transparent, single-component RTV silicone coating developed to protect electronic circuits from moisture, dust, vibration, and harsh environmental conditions.
It cures at room temperature, forming a flexible, elastomeric protective film. With its high dielectric strength, it reduces the risk of short circuits and allows for visual inspection thanks to its transparency. Its low viscosity ensures complete coverage around components, offering micro-level protection.
It is easy to apply using a brush, spray, or dip method. Certified to UL 94 V-1 flame retardant standard, DOWSIL 3140 is widely used in automotive electronics, industrial control panels, power supplies, telecom systems, consumer electronics, defense, and aerospace applications.
Key Features:
Transparent, flexible protective coating
High dielectric strength
UL 94 V-1 flame retardant compliant
Moisture, dust, and vibration resistance
Single-component RTV – cures at room temperature
Chemical and thermal shock resistant
Easy application (brush, spray, dip)
Applications:
PCB conformal coating
Power supplies and inverters
Automotive control units
Industrial equipment and panels
Telecom infrastructure components
Consumer electronics (TVs, audio systems, LED drivers)
Military and aerospace electronics
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