Momentive RTV157 (82.8-ml-Tube)
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Momentive RTV157 (Also known as: RTV157-82.8ml, Momentive RTV157 Silicone Sealant & MIL-A-46106B Silicone Sealant)
Summary: Momentive RTV157 is a one-component, high-strength silicone adhesive and sealant used in the aviation industry.
MRO Category: Aerospace Sealants & Adhesives
Manufacturers Part Number: 9367
Sub-Category: Silicone Sealants / High-Temperature Sealants
Function: High-temperature sealing, gasketing and joint sealing
Use Cases: Fuel tank access doors, ducts and exhaust system sealing
Description:
Momentive RTV157 is a high-strength, one-component silicone adhesive and sealant designed for critical applications in the aviation industry. Supplied in an 82.8-ml (2.8 fl.oz.) tube. This sealant provides reliable performance for sealing, gasketing and protecting electrical components on commercial and military aircraft. With a tack-free time of approximately 45 minutes and a full cure in around 24 hours at 25°C (77°F), the Momentive RTV157 offers the durability and flexibility required for high-temperature environments ranging from -59°C to +204°C (-75°F to +400°F), with intermittent exposure up to 260°C (500°F). This makes it ideal for AOG repairs, on-wing maintenance and routine MRO operations.
Aircraft engineers, ground crew and MRO teams trust the Momentive RTV157 for its versatility in sealing fuel tanks, exhaust systems, ducts and electrical assemblies. Meeting MIL-A-46106B, Boeing BAC5010 and Airbus Level P3 specifications, it ensures compliance with aerospace standards while maintaining reliability in critical applications. For aviation engineers looking to secure the Momentive RTV157 for their MRO or AOG kits, you 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.
Spec Sheets For Momentive RTV157:
Momentive RTV157 Technical Data Sheet
Safety Data Sheet for Momentive RTV157
Information
Additional Product Information
Momentive RTV157 is trusted by aircraft engineers and MRO teams worldwide for its high-strength sealing, gasketing and electrical insulation across both military and commercial aircraft. From AOG emergencies to routine maintenance, ground crew rely on its durable silicone formula and fast tack-free time to maintain aircraft safety and minimize downtime. Meeting MIL-A-46106B, Boeing BAC5010 and Airbus Level P3 specifications, it delivers consistent performance in the most demanding aerospace environments. When reliability, versatility and rapid-response capability matter most, aviation professionals turn to Momentive RTV157.
Key Technical Specs for Momentive RTV157
- Type: One-component, high-strength silicone adhesive and sealant
- Consistency: Grey paste
- Volume / Pack Size: 82.8 ml (2.8 fl.oz.) tube
- Cure Mechanism: Room temperature cure on exposure to atmospheric moisture
- Tack-Free Time: ~45 minutes at 25°C (77°F)
- Full Cure: ~24 hours at 25°C (77°F)
- Service Temperature Range: -59°C to +204°C (-75°F to +400°F), intermittent up to 260°C (500°F)
- Shore A Hardness (Cured): 28
- Elongation at Break: 825%
- Tensile Strength: 975 psi (6.72 MPa)
- Peel Strength: 60 pli (10.5 N/mm)
- Shelf Life: 2 years when stored below 27°C (80°F) in original sealed packaging
Approvals & Specifications for Momentive RTV157
- Military: MIL-A-46106B, Group III, Type I
- Boeing: BAC5010
- Airbus: Level P3
- NSN: 8040-01-315-1131
Typical Aircraft MRO / AOG Applications for Momentive RTV157
- Fuel tank access door and duct sealing
- Exhaust and high-temperature component sealing
- Electrical insulation and wiring protection
- On-wing or workshop maintenance in commercial and military aircraft
- Rapid-response AOG repairs due to tack-free time and easy application
Compatibility & Safety Notes for Momentive RTV157
- Bonds metals, glass, ceramics, and many rigid plastics without primers
- Not suitable for thickness >6 mm (1/4 in)
- Releases acetic acid during curing; ensure ventilation
- Practical for on-wing AOG repairs due to paste consistency and quick tack-free time
Packaging & Procurement for Momentive RTV157 (matched to the Aerospheres page and common market packs)
- Supplied in 82.8 ml (2.8 fl.oz.) tube, ideal for single-job use
- Available for immediate dispatch from Aerospheres
- Easy to store in MRO or AOG kits without taking up excessive space
Why Momentive RTV157 is Chosen for AOG / MRO
- Fast tack-free time (~45 minutes) for urgent repairs
- High-temperature stability up to +204°C (+400°F)
- Versatile for multiple applications: sealing, gasketing, electrical insulation
- Portable and easy for ground crew to apply on-site
Practical Suggestions for Your Team (AOG mindset) for Momentive RTV157
- Keep multiple tubes in AOG or rapid-response kits
- Pre-stock spatulas, gloves and application tools for immediate use
- Verify substrate compatibility to avoid rework
- Track batch numbers and application sites for compliance and audit purposes
- Rotate stock to ensure sealants are within shelf life
Manufacture / Aviation Spec Codes for Momentive RTV157
- MIL-A-46106B
- Boeing: BAC5010
- Airbus: Level P3
- Lockheed Martin: Check specific aircraft AMM for compatibility
Alternative Names & Descriptions for Momentive RTV157
- RTV157-82.8ml
- Momentive RTV157 Silicone Sealant
- GE RTV157 High-Strength Silicone Adhesive
- MIL-A-46106B Silicone Sealant
- RTV157
- RTV157:01139
- RTV157GRAY
- RTV-157-GREY-82-8ML
Restrictions
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Shipping Information
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