DOWSIL 3145/CLEAR (90-ml-Tube)
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DOWSIL 3145/CLEAR (Also known as: Dow Corning 3145, 3145 RTV Silicone, DOWSIL 3145 Clear)
Summary: Approved: MIL-A-46146B + Amendment 3, Group II, Type I
MRO Category: Aircraft Maintenance Consumables / Sealants & Adhesives
Sub-Category: RTV Silicone Adhesive Sealant / Electrical & Structural Bonding
Function: Provides durable sealing and bonding for metal, glass, ceramic and aerospace-grade plastics. Protects against moisture, vibration, thermal shock and environmental exposure.
Use Cases: Sealing openings in modules and housings. Bonding electrical assemblies, printed wiring boards (PWBs), and wired leads
Description:
DOWSIL 3145/CLEAR is a one-component, room-temperature vulcanizing (RTV) silicone adhesive designed for the aviation industry, trusted by aircraft engineers, MRO teams and ground crew for critical sealing and bonding applications. Each 90 mL (3.04 fl. oz.) tube contains a non-flowing, clear silicone adhesive that forms a flexible, durable seal resistant to moisture, vibration, thermal shock and environmental factors. DOWSIL 3145/CLEAR is ideal for use on metal, glass, ceramic and most plastics found in aerospace components and its long elongation of 680% ensures reliable protection for sensitive parts during routine maintenance and urgent AOG operations.
Widely used in MRO and AOG scenarios, DOWSIL 3145/CLEAR allows aviation engineers and ground crew to rapidly seal and bond electrical assemblies, housings and structural components. Minimizing aircraft downtime and ensuring operational readiness. It`s clear, easy-to-apply formula makes it practical for both large-scale maintenance tasks and immediate field repairs. To confirm availability or purchase the DOWSIL 3145/CLEAR, aviation engineers can email sales@aerospheres.com, call UK +44 (0)3333 247 777 or US +1 888 421 7703, or simply click the Add To Cart option for immediate delivery.
Spec Sheets For DOWSIL 3145/CLEAR:
DOWSIL 3145/CLEAR Technical Data Sheet
Safety Data Sheet for DOWSIL 3145/CLEAR
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Information
Additional Product Information
MRO teams and aircraft engineers trust DOWSIL 3145/CLEAR because it delivers reliable, high-strength sealing and bonding for critical aerospace components, protecting them from moisture, vibration and environmental extremes. From the most advanced military aircraft to commercial passenger airliners. This RTV silicone adhesive ensures mission-critical systems remain safe and operational. It is clear, non-flowing formula allows ground crew and engineers to apply it quickly during routine maintenance or urgent AOG situations, minimizing aircraft downtime. When safety, durability and rapid application matter, DOWSIL 3145/CLEAR is the go-to solution in the aviation industry.
Key Technical Specs for DOWSIL 3145/CLEAR
- Type: One-component, room-temperature vulcanizing (RTV) silicone adhesive/sealant
- Volume / Size: 90 mL (3.04 fl. oz.) tube
- Cure Time: Approx. 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 and housings, bonding components on printed wiring boards (PWBs), protecting metal and electrical assemblies against moisture, vibration, thermal shock and environmental exposure
Approvals & Specifications for DOWSIL 3145/CLEAR
- Military Specification: MIL-A-46146B + Amendment 3, Group II, Type I
- UL Recognition: Recognized under UL 94V-0 for flame retardancy
- Aerospace Use: Meets stringent aerospace requirements for corrosion resistance and electrical insulation
Typical Aircraft MRO / AOG Applications for DOWSIL 3145/CLEAR
- Protects critical components from corrosion, vibration and environmental damage
- Ideal for use in both commercial and military aircraft maintenance
- Rapid application in AOG situations helps minimize aircraft downtime
- Essential for sealing and bonding in electrical assemblies, housings and sensitive modules
Compatibility & Safety Notes for DOWSIL 3145/CLEAR
- 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 during urgent maintenance
Packaging & Procurement for DOWSIL 3145/CLEAR (matched to the Aerospheres page and common market packs)
- 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 in stock ensures ground crews and engineers can perform 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 tight time constraints
- Long-term protection against environmental damage reduces repeat maintenance
- Trusted by MRO teams for both routine and urgent maintenance tasks
Practical Suggestions for Your Team (AOG mindset) for DOWSIL 3145/CLEAR
- Maintain a small stock of DOWSIL 3145/CLEAR for rapid response during AOG situations
- Train ground crew and engineers in proper application techniques
- Inspect stored tubes for shelf-life compliance and replace expired stock
Manufacture / Aviation Spec Codes for DOWSIL 3145/CLEAR
- 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 for DOWSIL 3145/CLEAR
- 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
Restrictions
Recommended Alternatives
Shipping Information
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