Physical Properties of Uncured Adhesive
Chemical composition | Methyl cyanoacrylate |
Appearance | Colourless |
Viscosity @ 25°C | 2-4 mPa.s (cP) |
Specific gravity | 1.1 |
Typical Curing Properties
Maximum gap fill | 0.05 mm 0.002 in |
Fixture / handling time* (0.3 N/mm² shear strength is achieved) | <5 seconds (Steel) <10 seconds (Buna N Rubber) <10 seconds (Phenolic) |
Full strength | 24 hours |
Typical Performance of Cured Adhesive
Shear strength* (ISO4587) | Steel 23-29 N/mm² (3300-4200psi) Aluminium 13-15 N/mm² (1900-2200psi) Brass 21 N/mm² (3000psi) Stainless Steel 21 N/mm² (3000psi) Butyl Rubber >2 N/mm² (300psi) SF** Nitrile Rubber >4 N/mm² (600psi) SF** Phenolic >9 N/mm² (1400psi) SF** ABS >9 N/mm² (1300psi) SF** Acrylic >14 N/mm² (2000psi) SF** PVC >6 N/mm² (870psi) SF** Polycarbonate >6 N/mm² (870psi) SF** |
Impact strength (ASTM D-950) | 3-5 kJ/m² (1.4-2.4 ft-lb/in²) |
Dielectric constant @10kHz | 2.5 |
Dielectric strength | 25 kV/mm |
Coefficient of thermal expansion |
90 x 10-6 mm/mm/°C |
Coefficient of thermal conductivity |
0.1 W/(m.K) |
Hardness (ISO868) | 85 Shore D |