Momentive RTV157 (82.8-ml-Tube)

Additional Product Information

Overview

Momentive RTV157 is trusted by aircraft engineers and MRO teams worldwide for high-strength sealing, gasketing, and electrical insulation across military and commercial aircraft. From urgent AOG situations to routine maintenance, its durable silicone formulation and fast tack-free time ensure aircraft safety, reliability, and minimal downtime. Meeting MIL-A-46106B, Boeing BAC5010, and Airbus Level P3 specifications, it provides consistent performance in the most demanding aerospace environments.

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: Approximately 45 minutes at 25°C (77°F)
• Full Cure: Approximately 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

• Military: MIL-A-46106B, Group III, Type I
• Boeing: BAC5010
• Airbus: Level P3
• NSN: 8040-01-315-1131

Typical Aircraft MRO / AOG Applications

• 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 enabled by tack-free time and easy application

Compatibility & Safety Notes

• Bonds metals, glass, ceramics, and many rigid plastics without primers
• Not suitable for thicknesses greater than 6 mm (1/4 in)
• Releases acetic acid during curing; ensure proper ventilation
• Practical for on-wing AOG repairs due to paste consistency and quick tack-free time

Packaging & Procurement

• 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 occupying 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)

• 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 remain within shelf life

Manufacture / Aviation Spec Codes

• MIL-A-46106B
• Boeing: BAC5010
• Airbus: Level P3
• Lockheed Martin: Check specific aircraft AMM for compatibility

Alternative Names & Descriptions

• 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