Solution Overview
Aviation and marine structures operate in extreme environments characterized by rapid pressure shifts, -60°C to 200°C thermal cycling, continuous salt spray, high humidity, vibration fatigue, UV radiation, and fuel immersion. Ordinary civil adhesives cannot provide long-term structural integrity or regulatory compliance.
This solution delivers a certified adhesive framework for commercial aviation, general aircraft, yachts, commercial vessels, and offshore platforms. Reorganizing bonding and sealing tasks into specialized modules ensures weight reduction, vibration damping, seawater hydrolysis resistance, halogen-free flame retardancy, and low smoke toxicity in strict compliance with FAR 25, IMO, and CCS standards.
1. Aviation Industry Adhesive System
Modern aircraft manufacturing prioritizes structural lightweighting, dynamic fatigue resistance, and rigorous fire safety across aluminum alloys, titanium, CFRP/GFRP composites, and engineering plastics.
┌── Fuselage & Composite Structural Bonding
│ ├── Toughened 2K Epoxy (Load-bearing, Rivet replacement)
│ ├── Aliphatic PU (Radome, Composite-to-metal)
│ └── Polysulfide & MS Sealants (Fuel tank & Skin seams)
│
Aviation Adhesive Applications ──┼── Cabin Interior & Fire-Retardant Applications
│ ├── Fast-Curing MMA (Ceiling & Sidewall panels)
│ ├── Waterborne Acrylic (Floor mats & Coverings)
│ └── Flame-Retardant Silicone (Emergency hatch sealing)
│
└── Electrical, Engine & Thread Locking
├── Addition-Curing Silicone (Avionics & Sensor potting)
├── High-Temp RTV Silicone (Engine harness protection)
└── Anaerobic Threadlockers (Engine & Landing gear bolts)
1.1 Fuselage & Composite Structural Bonding
- Primary Structural Bonding: Toughened two-component aviation epoxy structural adhesive bonds carbon fiber skins, aluminum frames, and cargo hold subframes. Replaces traditional rivets to reduce weight, air drag, and vibration noise while enduring millions of fatigue cycles.
- Radome & Exterior Composites: Aliphatic PU structural adhesive provides high UV resistance without yellowing. Absorbs thermal expansion mismatches between metals and composites while maintaining electromagnetic wave permeability for radomes.
- Fuel Tank & Skin Sealing: Aviation-grade polysulfide sealant resists aviation kerosene seepage at fuel tank seams. Low-modulus MS modified silane sealant flexes with fuselage deformation during takeoff and landing, blocking moisture and salt haze (passing 1,000h neutral salt spray tests).
1.2 Cabin Interior & Aviation Fire Protection
- Ceilings & Sidewalls: Fast-curing MMA adhesive enables rapid room-temperature assembly and refurbishment of interior panels, featuring low VOCs and zero toxic volatiles. Complies with FAR 25 flame retardancy standards.
- Cabin Flooring: Solvent-free waterborne acrylic adhesive withstands foot traffic and daily chemical cleaning agents while maintaining bond strength across cabin temperature swings.
- Door & Emergency Hatch Sealing: Halogen-free flame-retardant silicone sealant remains flexible from -55°C to 180°C without embrittlement, inhibiting flame propagation.
1.3 Electrical Systems, Engines & Fasteners
- Avionics & PCB Potting: Addition-curing flame-retardant silicone potting compound eliminates small-molecule outgassing, insulating sensitive navigation electronics against arc breakdown and damp short circuits.
- Engine Harness Protection: High-temperature RTV silicone sealant provides waterproof and oil-proof sealing around engine wire harnesses.
- Thread Locking & Retaining: High-strength red anaerobic threadlocker secures engine and landing gear bolts against severe vibration. Removable blue anaerobic glue protects cabin maintenance fasteners. Retaining anaerobic compounds fill bearing/shaft clearances to eliminate rotational slippage.
2. Marine & Offshore Vessel Adhesive System
Marine applications demand long-term resistance to seawater hydrolysis, biofouling, oil contamination, and marine atmospheric corrosion under IMO and CCS rules.
┌── Hull & Deck Structural Bonding
│ ├── Marine Modified Epoxy (FRP hull splicing & Repair)
│ ├── Flexible MS Structural Adhesive (Steel-Aluminum joints)
│ └── Marine MS Sealant (Outer plate welds & Deck seams)
│
Marine Adhesive Applications ──┼── Living Quarters & Interior Accommodation
│ ├── Low-Smoke MS & Waterborne PU (Wall paneling & Cabinets)
│ ├── Solvent-Free Acrylic (Anti-slip PVC decking)
│ └── Anti-Mildew Silicone (Galley & Wet area seams)
│
└── Machinery Spaces, Pipelines & Subsea
├── Polysulfide & Anaerobic Gasket Makers (Flanges & Fuel lines)
├── Marine Anti-Rust Threadlockers (Engine room bolts)
└── Hydrolysis-Resistant PU/Silicone (Offshore wind & Cable potting)
2.1 Hull & Deck Structural Bonding
- Fiberglass & Composite Hulls: Marine modified epoxy structural adhesive features an anti-hydrolysis formula that prevents debonding during prolonged seawater immersion and resists barnacle attachment.
- Steel-Aluminum Deck Joints: Flexible marine MS structural adhesive buffers differential thermal expansion between aluminum superstructures and steel hulls, preventing rigid joint stress cracking.
- Deck Seams & Exterior Welds: Marine weather-resistant MS sealant resists wave erosion, UV breakdown, and salt spray without cracking or hardening over time. Marine epoxy putty allows machining and sanding for rapid hull repair.
2.2 Cabin Accommodation & Interior Fit-Outs
- Panels & Furniture: Low-smoke MS sealant and waterborne PU adhesives comply with IMO low-toxicity regulations, preventing harmful gas accumulation in enclosed quarters.
- Deck Coverings: Solvent-free marine acrylic adhesive secures PVC anti-slip flooring against heavy crew foot traffic and aggressive cleaning agents.
- High-Humidity Areas: Anti-mildew silicone sealant inhibits mold growth in galley and shower room seams.
2.3 Machinery Spaces & Pipeline Sealing
- Flanges & Pipelines: Oil-resistant polysulfide sealants and anaerobic gasket compounds replace conventional rubber gaskets on fuel and seawater lines, eliminating aging leaks.
- Engine Fasteners: Marine anti-rust anaerobic threadlockers with anti-seize properties protect pump and valve fasteners from salt spray rust-locking.
- Cable Penetrations: Three-proof PU sealant fills bilge cable through-holes, blocking moisture, salt, and seawater backflow into electrical bays.
2.4 Offshore Wind & Underwater Encapsulation
- Platform Electronics: Hydrolysis-resistant, flame-retardant silicone potting compound insulates control cabinets and sensors from daily ocean temperature shifts and heavy salt spray.
- Subsea Cables & Deepwater Sensors: Two-component polyurethane (PU) potting glue offers high hydraulic pressure resistance, ensuring long-term seal integrity in deep-water environments.
3. Adhesive Technology Comparison Matrix
| Adhesive Type | Core Performance Advantages | Primary Application Scenarios | Service Temp | Key Regulatory Certification |
| Toughened Epoxy | High mechanical strength, oil & creep resistance, fatigue resistance | Aircraft load-bearing structures, FRP hull bonding, composite repairs | -60°C to 130°C | FAR 25, CCS |
| Aliphatic PU | UV anti-yellowing, flexible CTE buffering, high elasticity | Aircraft radomes, yacht exterior structural joins | -50°C to 90°C | Aviation Anti-Aging Standard |
| MS Modified Silane | Dual bonding/sealing, paintable, mold-resistant, low VOC | Fuselage weld sealing, deck seams, interior paneling | -45°C to 95°C | IMO Low Smoke & Toxicity |
| Polysulfide | Superior resistance to aviation fuel, oil, and solvents | Aircraft fuel tanks, ship fuel pipelines, bilge joints | -40°C to 110°C | Aviation Kerosene Immersion Test |
| Silicone Series | Wide temperature stability, halogen-free flame retardant, electrical insulation | Avionics potting, engine joints, offshore wind control boxes | -60°C to 200°C | Halogen-Free Flame Retardancy |
| Anaerobic Series | Rapid metal-contact curing, vibration-proof thread locking | Aircraft engine fasteners, marine machinery bolts, shafts | -55°C to 140°C | Salt Spray Corrosion Standard |
4. Specialized Environmental Adaptation Rules
- Polar Routes & Icebreakers: Structural formulations are upgraded with low-temperature tougheners to prevent brittle fracture at sub-zero temperatures. Standard PUs are replaced with ultra-cold-resistant silicone and MS polymers rated to -60°C.
- Coastal Shipping & Marine Airports: Exposed conventional PUs are eliminated in favor of seawater-resistant polysulfides and marine MS sealants paired with corrosion-inhibiting metal primers to prevent galvanic corrosion.
- Enclosed Cargo Holds & Engine Rooms: All materials must meet the highest flame-retardancy ratings (FAR 25 / IMO) to restrict flame spread, smoke density, and toxic gas generation in confined spaces.
5. JOME Product Portfolio Matrix
JOME Product Lineup
├── Aviation Series
│ ├── JOME-Epoxy Air-Toughened (Structural Bonding)
│ ├── JOME-PU Aliphatic Air (Radomes & Exterior)
│ ├── JOME-MMA Fast-Fix (Interior Panel Assembly)
│ ├── JOME-Lock Anaerobic Series (Threadlocking & Retaining)
│ └── JOME-Sil Potting FR (Avionics Insulation)
│
├── Marine Series
│ ├── JOME-Epoxy Marine Hydro-Shield (Hull & Composite Splicing)
│ ├── JOME-Putty Repair Marine (Hull Maintenance)
│ ├── JOME-Polysulfide Fuel-Guard (Pipelines & Fuel Tanks)
│ ├── JOME-Sil Anti-Mold Marine (Cabinets & Wet Areas)
│ └── JOME-PU Subsea Potting (Subsea Cable & Sensor Sealing)
│
└── Universal Exterior & Interior Series
├── JOME-MS Weather-Shield (Deck & Fuselage Exterior Seam Sealing)
└── JOME-MS Eco-Interior (Low-VOC Indoor Sealing)
6. Implementation Value
- Weight & Drag Reduction: Replacing mechanical rivets with toughened epoxy adhesives decreases structural weight, improves fuel efficiency, and minimizes drag and vibration noise.
- Extended Service Life: Corrosion-resistant polysulfides and anti-hydrolysis epoxies mitigate stress-cracking, water ingress, and fuel leaks in marine and high-altitude conditions.
- Streamlined Certification: Standardized compliance with FAR 25, IMO, and CCS rules simplifies procurement and shortens material testing cycles for aerospace OEMs and shipyards.