PERMABOND® TA440 is a two component structural acrylic adhesive suitable for bonding metals, glass, wood, ferrites, ceramics and some rigid plastics. This adhesive may be used in a variety of structural bonding applications due to its versatile performance capabilities.
Permabond TA440 provides high strength while maintaining excellent flexibility, resulting in tough, durable bonds with outstanding impact and peel resistance. Handling strength is achieved in a few minutes at room temperature.
FEATURES:
Adhesion to a wide variety of substrates
Fast cure at room temperature
No mix application
High shear and peel strength
Good impact strength
Good chemical resistance
APPLICATIONS:
Aircraft parts (TA4246 is aerospace approved)
Automotive exterior components• Lifts, stairlifts, stairs and walkways
Sign bonding, point of sale and shopfitting
Bus, train, tram interiors
Vehicle conversions, campervans
Magnet/ferrite bonding electric motors
Loudspeaker component bonding
PHYSICAL PROPERTIES OF UNCURED ADHESIVE
TA440 A
TA440 B
Chemical composition
Urethane methacrylate
Urethane methacrylate
Appearance
Amber
Green
Viscosity @ 25°C
20 rpm: 5,000-
12,000 mPa.s (cP)
20 rpm: 5,000-
12,000 mPa.s (cP)
Specific gravity (resin)
1.1
1.1
TYPICAL CURING PROPERTIES
Ratio of use
1:1
Maximum gap fill
0.5 mm (0.02 in)
Fixture time (zinc) @23°C
No gaps: 15-30 seconds
Handling time (zinc)
(0.3 N/mm² shear strength is
achieved) @23°C
