DOWSIL 3145 is a MIL-A-46146 certified RTV silicone adhesive/sealant designed for protecting PCBs, sensors, and sensitive electronics. Provides dielectric insulation, flexibility, and long-term durability under extreme conditions (-55°C to +200°C). Ideal for aerospace, defense, and high-reliability applications.
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Technical Product Information |  |
| DOWSIL™ 3145 RTV Adhesive/Sealant – MIL-A-46146B Compliant Silicone |
| Product Description |
| DOWSIL™ 3145 RTV is a high-strength, non-corrosive silicone adhesive/sealant designed for sensitive electronic applications. Meeting MIL-A-46146B military specifications, it is widely used in aerospace, defense, and high-reliability automotive electronics to protect components from harsh environments. |
| Key Features |
| • Standard: MIL-A-46146B compliant for aerospace and defense • Curing: Neutral alkoxy cure (Non-corrosive to electronics) • Temperature Range: Resilient from -55°C to +200°C • Protection: High dielectric strength and excellent thermal stability • Resistance: Superior resistance to moisture, shock, and vibration |
| Applications |
| • Sealing and bonding of PCB components and sensitive parts • Aerospace and military electronic assemblies • Insulation of sensors, relays, and power modules • High-vibration wire lead sealing and IP-rated enclosures |
| Advantages |
| • Low outgassing profile makes it ideal for sensitive optical equipment • Excellent primerless adhesion to metals, plastics, and ceramics • Maintains long-term flexibility to absorb thermal expansion stress • High-strength formula ensures durable bonds in extreme conditions |
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