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Böllhoff and DELO Partner on Developing Lightweight Aerospace Interior Fastening Solution
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2026-03-17
German fastening company Böllhoff has collaborated with high-performance adhesive specialist DELO to develop an aviation-grade lightweight fastening system. Böllhoff's ONSERT fastening element paired with DELO PHOTOBOND FB4151 light-curing adhesive creates material-friendly, flame-retardant compliant joints for aircraft interiors, offering an efficient alternative to conventional screws and rivets.
DELO PHOTOBOND FB4151, designed specifically for aviation interiors, cures in seconds to achieve 20MPa strength on aerospace plastics and metals with 80% elongation at break as well as flexibility. Operating from -40°C to +120°C, it meets FAR 25.853 fire standards, ABD0031, low outgassing requirements, is solvent-free, and RoHS compliant.
ONSERT technology integrates adhesive bonding with mechanical fastening, eliminating the need for drilling to prevent damage to composite materials. It cures in just 8 seconds and supports automated mass production. Transparent plastic components directly bond to lightweight materials, allowing easy snap-in installation into functional parts like cable fasteners after curing, offering exceptional design flexibility.
Böllhoff product manager Franz Drüke stated: "This combination creates the ideal mass-production technology for aircraft interiors." DELO product manager Sebastian Stasch added: "Light-curing adhesives enable shorter cycle times and greater design flexibility." The technology has been applied to securing Recaro business-class seat cables, with qualification testing underway for other cabin components.
Böllhoff
DELO
膠著劑
航空業
輕量化緊固
ONSERT緊固元件
PHOTOBOND FB4151光固化膠
高強度
阻燃
RoHS
adhesive
aerospace industry
lightweight fastening
fastening element
light-curing adhesive
high-strength
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