PERMABOND® 240 is a high viscosity product useful in large gap applications. It is ideal for porous substrates. It is fast setting and suitable for use on plastics, rubber and metals.
FEATURES:
- Rapid development of high strength
- Ease of use – no mixing or heat cure
- Bonds most materials
- 100% reactive, no solvents
APPLICATIONS:
- Use on plastics, rubber and metals.
Physical Properties of Uncured Adhesive
Chemical composition | Ethyl cyanoacrylate |
Appearance | Colourless |
Viscosity @ 25°C | 1,200-2,500 mPa.s (cP) |
Specific gravity | 1.1 |
Typical Curing Properties
Maximum gap fill | 0.4 mm 0.017 in |
Fixture / handling time* (0.3 N/mm² shear strength is achieved) | 15-20 seconds (Steel) 15-20 seconds (Buna N Rubber) 15-20 seconds (Phenolic) |
Full strength | 24 hours |
Typical Performance of Cured Adhesive
Shear strength (ISO4587) | Steel 21-25 N/mm² (3000-3600 psi) Aluminium 8-9 N/mm² (1200-1300 psi) Zinc 10 N/mm² (1450 psi) ABS >6 N/mm² (900psi) SF** PVC >6 N/mm² (900psi) SF** PC >5 N/mm² (700 psi) SF** Phenolic 14N/mm² (2000psi) |
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) |