LOCTITE® 420 is a transparent, colorless, general purpose, capillary, ethyl-based instant adhesive. Suitable for metals, rubbers and plastic, it is also suitable for polyolefins in combination with Primer LOCTITE® SF 770 or LOCTITE® SF 7239. It has a fixture time of 5 – 20 secs.
- Cures very quickly when confined between two surfaces
- Ideal for bonding small to medium-size parts
- Excellent adhesion to most substrates
- Suitable for metals, rubbers and plastics
- Fixture time of 5 – 20 secs.
- Capillary action
- Solvent-free
Technical Information
| Typical Use: | Used for rapid bonding of a wide range of metal, plastic or elastomeric materials; close mating parts can be aligned and then bonded by penetrating the adhesive into the bond area. |
| Chemical Composition: | Ethyl cyanoacrylate |
| Color: | Clear |
| Components: | 1 part |
| Cure System: | Humidity |
| Cure Time: | Up to 24h depending on substrate used, the bondline gap, and the relative humidity. |
| Dielectric Strength: | 25 kV/mm |
| Flash Point: | 80 to 93.4 °C |
| Key Specifications: | MIL-A-46050C Type ll, Class l |
| Peel Strength: | <2.8 lb/in |
| Specific Gravity: | 1.04 @ 20 °C |
| Tensile Strength: | 725 to 3,625 psi |
| Thermal Conductivity: | 0.1 W/mK |
| Viscosity: | 1 to 5 @ 25 °C |
| Volume Resistivity: | 2 x 10^15 to 10 x 10^15 ohm-cm |
