Permabond ET538 Toughened Thixotropic Two-Part Epoxy, Cream/Black, 50ml Cartridge

Physical Properties of Uncured Adhesive

	ET538 A	ET538 B
Chemical composition	Epoxy Resin	Polyamine Hardener
Appearance	White	Dark grey
Viscosity @ 25°C	20rpm: 75,000 mPa.s (cP) 2.5rpm: 225,000 mPa.s (cP)	20rpm: 30,000 mPa.s (cP) 2rpm: 60,000 mPa.s (cP)
Specific gravity	1.1	1.4

Typical Curing Properties

Mix ratio: 1:1 by volume, 100:130 by weight

Maximum gap fill: 5mm 0.2 in

Usable / pot life @23°C: 120-150 mins

Handling time @23°C: 3-5 hours

Working strength @23°C: 24 hours

Full cure @23°C: 72 hours

Typical Performance of Cured Adhesive

Shear strength* (ISO4587)

Mild steel: 25-30 N/mm² (3625-4350psi)

Aluminium: 22-26 N/mm² (3190-3770psi)

Stainless Steel: 28-32 N/mm² (4060-4640psi)

Zinc: 17-20 N/mm² (2500 – 2900 psi)

Carbon Fibre: 20-24 N/mm² (2900-3480psi)

FRP Glass/Polyester: 6-8 N/mm² (870-1160psi)

FRP Glass/Epoxy: 18-22 N/mm² (2610-3190psi)

Polycarbonate: 3-5 N/mm² (435-725psi)

PA6 30% filled: 3-5 N/mm² (435-725psi)

Peel strength (aluminum) (ISO4578): 60-80 N/25mm (13-18 PIW)

Hardness (ISO868): 70-80 Shore D

Elongation at break (ISO37): 4-8%

Glass transition temperature Tg: 45-55°C (113-131°F)

Dielectric strength: 15-25 kV/mm

Thermal conductivity: 0.55 W/(m.K)

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

Product Overview

More Information

SKU	I167289
Part No.	ET00538K050S0101
Brand	Permabond
Type	Two-Part Epoxy
Volume	50ml