Permabond TA045900050T0101

TA4590 Magnet Bonding Toughened Acrylic Adhesive, Blue, 50ml Bottle

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.

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

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Product Info & TDS Sheets

Permabond TA4590 Technical Data Sheet

Detalles

Physical Properties of Uncured Adhesive

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

Typical Curing Properties

Ratio of use: 10:1.5 approximately
Maximum Gap Fill: 0.5mm (0.02")
Fixture Time (aluminium) @23°C: No gap: 15-30 seconds
Handling Time (aluminum) (0.3 N/mm² shear strength is achieved) @23°C: No gap: 30-60 secs
Working Strength (aluminum) @23°C: No gap: 2-3 minutes
Full Cure @23°C: 24 hours

Typical Performance of Cured Adhesive

Shear Strength (ISO4587)*
- 3 min cure @25°C:
  - Steel: 9 N/mm² (1300 psi)
  - Steel/ferrite: 4 N/mm² (600 psi)
- 24hr cure @25°C:
  - Steel: 20-25 N/mm² (2900-3600 psi)
  - Steel/ferrite: >14 N/mm² (>2000 psi) (substrate failure)
  - Zinc: 12-18 N/mm² (1700-2610 psi)
Peel Strength (aluminum) (ISO 4578): 85-100 N/25mm (18-22 PIW)
Tensile Strength (ISO37): 20-30N/mm² (2900-4400 psi)
Impact Strength (ASTM D-950): 15-20 kJ/m²
Coefficient of Thermal Expansion (ASTM D-696) 80 x 10^-6 1/K
Thermal Conductivity (ASTM C-177) 0.1 W/(m.K)
Dielectric Constant (ASTM D-150) 4.6
Dielectric Strength (ASTM D-149) 30-50 kV/mm
Volume Resistivity (ASTM D-257) 2 x 10¹³ Ohm.cm