Permabond TA437 Single Component Toughened Acrylic Adhesive, Orange, 300ml Cartridge

Physical Properties of Uncured Adhesive

Chemical composition: Urethane methacrylate

Appearance: Orange/red viscous liquid

Viscosity @ 25°C:

20rpm: 25,000 – 50,000 mPa.s (cP)
2.5rpm: 90,000 – 150,000 mPa.s (cP)

Specific gravity (resin): 1.1

Typical Curing Properties

Maximum gap fill: 0.5mm (0.02″)

Fixture time (zinc) @23°C:

5-10 mins (no initiator)

20-30 secs (with Initiator 41)

Handling time (zinc) (0.3 N/mm² shear strength is achieved) @23°C:

15-20 mins (no initiator)

1-3 mins (with Initiator 41)

Working strength (zinc) @23°C:

60-120 mins (no initiator)

30-60 mins (with Initiator 41)

Full cure @23°C: 24 hours

Typical Performance of Cured Adhesive

Shear strength (ISO4587)*

Steel: 14-20 N/mm² (2000-3000 psi)

Zinc: 10-15 N/mm² (1450-2200 psi)

Shear strength (steel to ferrite) using Initiator 41:

After 3 minutes: 4 N/mm² (600 psi)

After 24 hours:>14 N/mm² (>2000 psi) (substrate failure)

Peel strength (aluminum) (ISO 4578): 45-65 N/25mm (10-14 PIW)

Tensile strength (ISO37): 30N/mm² (3600 psi)

Impact strength (ASTM D-950) 10-15 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

*Strength results will vary depending on the level of surface preparation and gap.

Product Overview

More Information

SKU	I167305
Part No.	TA004370300C0101
Brand	Permabond
Type	Structural Acrylic
Volume	300ml