Physical Properties of Uncured Adhesive
Chemical composition | Epoxy Resin |
Appearance | Black |
Viscosity @ 25°C | 600,000 to 800,000 mPa.s (cP) |
Specific gravity | 1.6 |
Typical Curing Properties
Flow at high temperature | Flowing |
Maximum gap fill | 5 mm 0.2 in |
Cure speed (oven) * | 130° C (266°F): 75 minutes 150°C (300°F): 60 minutes 170°C (338°F): 25 minutes |
Cure speed (induction) | <3 minutes |
Typical Performance of Cured Adhesive
Shear strength* (ISO4587) | Steel 27 – 41 N/mm² (4000 – 6000 psi) Aluminium 17 – 31 N/mm² (2500 – 4500 psi) Zinc 14 – 27 N/mm² (2000 – 4000 psi) |
Hardness (ISO868) | 80-85 Shore D |
Coefficient of thermal expansion | 45 x 10-6 mm/mm/°C (below Tg) |
Thermal conductivity | 1.0 W/(m.K) |
Dielectric strength | 40-45 kV/mm |
Glass transition temperature (Tg – DSC) |
105°C (220°F) |