DOWSIL 3145/CLEAR (90-ml-Tube)

Additional Product Information

Overview

MRO teams and aircraft engineers trust DOWSIL 3145/CLEAR for reliable, high-strength sealing and bonding of critical aerospace components. It protects against moisture, vibration, and environmental extremes across military and commercial aircraft. Its clear, non-flowing formula enables quick application during routine maintenance or urgent AOG situations, minimizing aircraft downtime.

Key Technical Specs

• Type: One-component, room-temperature vulcanizing (RTV) silicone adhesive/sealant
• Volume / Size: 90 mL (3.04 fl. oz.) tube
• Cure Time: ~48 hours at room temperature
• Hardness (Shore A): 47
• Elongation: 680°
• Tensile Strength: 940 psi (6.48 MPa)
• Dielectric Strength: 500 V/mil
• Service Temperature: -45°C to 200°C (-49°F to 392°F)
• Viscosity: Non-flowing paste
• Common Uses: Sealing openings in modules/housings, bonding PWBs, protecting metal/electrical assemblies from moisture, vibration, thermal shock, and environmental exposure

Approvals & Specifications

• Military Specification: MIL-A-46146B + Amendment 3, Group II, Type I
• UL Recognition: UL 94V-0 flame retardancy
• Aerospace Use: Meets corrosion resistance and electrical insulation requirements

Typical Aircraft MRO / AOG Applications

• Protects critical components from corrosion, vibration, and environmental damage
• Used in both commercial and military aircraft maintenance
• Rapid application in AOG situations minimizes aircraft downtime
• Essential for sealing and bonding electrical assemblies, housings, and sensitive modules

Compatibility & Safety Notes

• Compatibility: Adheres to metals, ceramics, glass, and most aerospace-grade plastics
• Safety: Use in well-ventilated areas; avoid skin and eye contact
• Practical for AOG/MRO: Non-flowing formula allows fast, precise application

Packaging & Procurement

• Packaging: 90 mL (3.04 fl. oz.) tube, standard for MRO use
• Procurement: Available via Aerospheres and authorized distributors for rapid delivery
• AOG Importance: Quick access ensures immediate repairs, reducing aircraft downtime

Why DOWSIL 3145/CLEAR is Chosen for AOG / MRO

• Reliable adhesion and sealing in critical systems
• Clear, non-flowing formula simplifies application under time constraints
• Long-term environmental protection reduces repeat maintenance
• Trusted for both routine and urgent maintenance tasks

Practical Suggestions for Your Team (AOG mindset)

• Maintain a small stock for rapid response during AOG situations
• Train ground crew and engineers on proper application techniques
• Inspect stored tubes for shelf-life compliance and replace expired stock

Manufacture / Aviation Spec Codes

• Manufacturer: Dow Silicones (formerly Dow Corning)
• Aviation / OEM Specs: MIL-A-46146B + Amendment 3, Group II, Type I
• Typical Users: Boeing, Airbus, Lockheed Martin, military aircraft OEMs

Alternative Names & Descriptions

• Dow Corning 3145
• 3145 RTV Silicone
• DOWSIL 3145 Clear
• RTV Silicone Adhesive/Sealant 3145
• 3145 Silicone Sealant
• RTV3145-CLEAR
• MIL-A-46146
• DC3145
• RTV-3145-CLEAR-90ML
• DC3145CLEAR:71984