Permabond

Permabond ET5441 Cartridge Two-Part Epoxy

SKU: PERET05441

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Description

Permabond ET5441 is a thixotropic, thermally conductive two-component adhesive based on epoxy resin. It is specifically designed to bond metal substrates when excellent resistance to high temperature is required. The full cure is achieved in 7 days at room temperature, but it can be obtained in 24 hours at room temperature followed by 30 minutes at +80°C (176°F). Permabond ET5441 provides excellent resistance to motor oil, glycol and hot and cold water.

Permabond ET5441 has been specifically formulated to meet the requirements of:

  • Flammability rating UL94 HB
  • Thermal vacuum outgassing test for the screening of space material ECSS-Q-ST-70-02C

Features & Benefits

  • Full cure at room temperature
  • Adhesion to a variety of substrates
  • Thermally conductive
  • High temperature resistance
  • Excellent chemical resistance

Physical Properties of Uncured Adhesives

  ET540 A Side ET540 B Side
Chemical
composition
Epoxy Resin Amine Hardener
Appearance White Dark Grey
Viscosity @ 23°C 25,000 mPa.s (cP) Thixo 22,000 mPa.s (cP) Thixo
Specific gravity 2:1 2.1

Typical Curing Properties

Mix ratio 2:1 by weight
2.1 by volume
Maximum gap fill 2 mm 0.08 in
Usable / pot life @23°C 150 minutes
Handling time @23°C 150 minutes
Working strength @23°C 8 hours
Full cure @23°C 23°C (77°F): 7 days
80°C (176°F): 2 hours

Additional information

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