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 | Technical Product Information |  |
| DOWSIL™ 3140 RTV Coating – Clear and Flexible Electronic Protective Coating |
| Product Description |
| DOWSIL™ 3140 is a clear, one-component silicone coating designed to protect electronic circuit boards (PCB) from environmental factors such as moisture, dust, vibration, and thermal shock. With its room-temperature curing (RTV) structure, it forms a durable and dielectric barrier around components. |
| Key Features |
| • Appearance: Clear (enables visual inspection of circuit components) • Certification: Compliant with UL 94 V-1 flammability standard • Application: Suitable for brush, spray, or dip application with low viscosity • Curing: Transforms into an elastomeric structure at room temperature (RTV) • Protection: Excellent dielectric strength and resistance to thermal shock |
| Areas of Use |
| • Automotive electronics and control units • Power supplies, inverters, and LED drivers • Telecommunications infrastructure and industrial control panels • Sensitive circuits for defense and aerospace industries |
| Benefits |
| • Provides micro-level protection to minimize the risk of short circuits • Solvent-free formulation is environmentally friendly and does not damage sensitive surfaces • Maintains flexibility after curing, helping to dampen mechanical stresses • Easy-to-repair structure enables component replacement |
