High-performance, two-component epoxy adhesive system designed for structural bonding in demanding aerospace and industrial environments.
Excellent resistance to thermal cycling, humidity, and aviation-grade fuels and hydraulic fluids.
Low outgassing characteristics compliant with ASTM E595, suitable for vacuum and space applications.
Optimized pot life (≈60 min at 23°C) and rapid fixture strength development without post-cure requirement.
Good gap-filling capability with thixotropic consistency and minimal shrinkage upon cure.
Aerospace interior components bonding (e.g., panels, trim, overhead bins).
Structural assembly of composite-to-metal joints in airframe subassemblies.
Bonding of honeycomb core sandwich structures in radomes and fairings.
Repair and rework of certified aircraft parts under OEM-approved procedures.
Industrial bonding of high-value precision equipment requiring long-term dimensional stability.
| Chemical Type | Epoxy resin / amine hardener system |
| Product Form | Two-component paste (Part A: resin, Part B: hardener) |
| Appearance | Part A: off-white paste; Part B: tan paste |
| Mix Ratio (by weight) | 100 : 30 (A:B) |
| Cure Schedule (standard) | 2 hours at 120°C or 16 hours at 23°C |
| Primary Applications | Structural bonding in aerospace, defense, and high-reliability industrial systems |
| Key Features | Low volatile content, NASA/ESA-compatible outgassing, flame retardant (UL 94 V-0 rated) |
| Benefits | Reduced assembly time vs. riveting, improved fatigue performance, no corrosion risk at bonded interfaces |
Q1: What is the primary function of Solvay BR 6747-1 Adhesive in composite manufacturing?
A: Solvay BR 6747-1 Adhesive is a high-performance thermoset adhesive designed to promote strong interfacial bonding between fiber reinforcements (e.g., carbon or glass fibers) and thermosetting resin matrices—particularly in prepreg and infusion systems. It enhances laminate integrity, delamination resistance, and long-term mechanical performance under thermal and mechanical stress.
Q2: Is Solvay BR 6747-1 compatible with common aerospace-grade resins such as epoxy and bismaleimide (BMI)?
A: Yes, BR 6747-1 has been engineered for compatibility with high-performance thermosetting systems including standard and modified epoxies, as well as BMI and cyanate ester formulations. Its chemical structure supports co-curing behavior without compromising resin cure kinetics or final Tg.
Q3: How is Solvay BR 6747-1 typically incorporated into a resin system?
A: It is generally introduced as a solution or dispersion in compatible solvents or reactive diluents, and blended into the base resin prior to catalyst addition. Dosage depends on formulation requirements but typically ranges from 0.1% to 2% by weight relative to the total resin solids.
Q4: Does Solvay BR 6747-1 require special handling or storage conditions?
A: Yes—BR 6747-1 should be stored in tightly sealed containers under inert atmosphere (e.g., nitrogen), protected from moisture and ambient light. Recommended storage temperature is between 5 °C and 25 °C. Prolonged exposure to elevated temperatures or humidity may affect viscosity stability and reactivity profile.
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