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PERMABOND TA4590 Toughened Acrylic Adhesive

  • Product code: TA4590
  • Manufacturer: Permabond
  • Package size: 250ml/ 2kg
  • Shelf Life: 12 months

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PERMABOND® TA4590 is a structural acrylic adhesive designed primarily for bonding metals, ferrites, ceramics and some thermoplastics. This product was specifically designed to be non-corrosive to sensitive copper parts or other electrically conductive surfaces. TA4590 is a no-mix system which has a 15-30 sec. fixture time on metal surfaces when used with Initiator 44.

FEATURES:

  • Adhesion to a wide variety of substrates
  • Fast cure at room temperature
  • Non-drip formulation
  • Acid-free and non-corrosive
  • No mix application
  • High shear strength
  • Good impact strength
  • Good chemical resistance

APPLICATIONS:

  • Speaker Assembly
  • Bonding Magnet to Metals
  • Magnet Assembly

Physical Properties of Uncured Adhesive

Chemical composition Urethane methacrylate
Appearance Blue, thixotropic
Viscosity @ 25°C 20rpm: 15,000 – 25,000 mPa.s (cP)
2.5rpm: 50,000 – 120,000 mPa.s (cP)
Specific gravity
(resin)		 1.1

Typical Curing Properties (with Initiator 44)

Ratio of use 10:1.5 approximately
Maximum gap fill 0.5 mm (0.02 in)
Fixture time (mild steel) @23°C* 15-30 secs
Handling time (mild steel)
(0.3 N/mm² shear strength is achieved) @23°C*		 30-60 secs
Working strength (mild steel) @23°C* 2-3 mins
Full cure @23°C 24 hours

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