High-performance, two-part epoxy-based structural adhesive designed for demanding aerospace and industrial bonding applications.
Excellent resistance to thermal cycling, humidity, and aviation-grade fluids including hydraulic oils and jet fuels.
Zero halogen formulation compliant with aerospace material flammability standards (e.g., FAR 25.853).
Room-temperature cure capability with optional elevated-temperature post-cure for enhanced Tg and durability.
Low volatile organic compound (VOC) content and solvent-free composition supporting environmental and workplace safety requirements.
Bonding of composite-to-metal and composite-to-composite structures in commercial and military aircraft assemblies.
Attachment of interior panels, galleys, and lavatory modules where fire, smoke, and toxicity (FST) performance is critical.
Structural bonding in satellite and launch vehicle components requiring outgassing control and space qualification.
Repair and rework of primary and secondary bonded structures under FAA/EASA-approved maintenance procedures.
Joining of lightweight aluminum, titanium, and carbon fiber reinforced polymer (CFRP) substrates in high-reliability transport systems.
| Chemical Type | Epoxy-based, two-component structural adhesive |
| Product Form | Paste (Part A: resin; Part B: hardener), supplied in dual-chamber cartridges or bulk containers |
| Appearance | Opaque gray paste (Part A); off-white paste (Part B) |
| Primary Applications | Aerospace structural bonding, interior component assembly, space hardware integration |
| Key Features | Halogen-free, low outgassing, flame-retardant, thermal cycling stable |
| Benefits | Meets ASTM E595 and NASA SP-R-0022A; qualified per Boeing D6-17487 and Airbus AIMS 02-03-002 |
| Cure Schedule (Standard) | 24 hours at 23°C + 4 hours at 80°C (optional) |
| Storage Conditions | Refrigerated at 5–10°C; shelf life ≥12 months unopened |
Q1: What is the primary function of Solvay FM 400NA Adhesive in polymer systems?
A: Solvay FM 400NA Adhesive is a functionalized polyolefin-based adhesion promoter designed to enhance interfacial bonding between non-polar thermoplastics (such as PP and PE) and polar substrates—including metals, glass, engineering plastics, and filled composites—without requiring surface pretreatment.
Q2: Is Solvay FM 400NA Adhesive suitable for use in extrusion coating or co-extrusion applications?
A: Yes, it is specifically formulated for high-temperature melt processing. It demonstrates excellent thermal stability and compatibility in extrusion coating, co-extrusion, and injection molding processes where strong interlayer adhesion is required between dissimilar polymers or polymer-to-substrate layers.
Q3: How is Solvay FM 400NA Adhesive typically incorporated into a formulation?
A: It is commonly added directly to the polymer melt during compounding or extrusion, either as a masterbatch or neat resin. Dosage depends on formulation requirements and substrate combinations but generally ranges from 0.1% to 2% by weight relative to the base polymer.
Q4: Does Solvay FM 400NA Adhesive require primers or corona treatment for optimal performance?
A: While it significantly reduces or eliminates the need for surface activation methods, performance may still benefit from mild plasma or flame treatment on highly inert substrates—particularly when maximum bond strength or long-term durability under environmental stress is critical.
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