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Teknobond 405 is a two-component, solvent-free epoxy adhesive and repair solution.
Application:
- repair and sealing of expansion, working and temperature joints in the system with Teknomer thermoplastic tapes;
- repair, gluing and bonding together of building materials
(concrete, brick, stone, marble, metal, wood, glass, PVC, etc.);
- sealing of drains and drains;
- anchoring of reinforcing bars and rebar;
- filling seams and cracks.
Advantages:
- high adhesion to all materials and substrates;
- high resistance to mechanical damage;
- high wear resistance;
- high chemical resistance;
- does not require priming of materials;
- does not contain solvents;
- can be applied to wet concrete substrates;
- waterproof and vapor-proof.
Instructions for use
Substrate quality/preparation
The application surface must be dry and free from dust, dirt, loose and loose particles, cement mortar residues, oil and grease. If there are weak concrete parts on the surface, they must be removed, and then the surface must be repaired using Teknogrout or Teknorep repair mixtures .
The concrete base must be strong and have sufficient compressive strength (minimum 25 N/mm2) and a tensile strength of at least 1.5 N/mm2.
Mixing components
Component B should be added to component A and mixed with a low-speed electric mixer (350-400 rpm) for 2-3 minutes until a homogeneous working mixture is obtained.
Causing
To apply Teknomer thermoplastic tape:
The finished mixture is applied with a spatula to the surface on each side of the tape to a width of at least 5 cm.
There is no need to apply glue to the middle of the tape.
After gluing the tape to the base, the mixture is applied to the edges of the outer side of the tape to a width of 5 cm, overlapping the edges.
To eliminate the loss of elasticity of the tape, it is recommended to lay it not taut, but with a margin of sagging along the seam.
For anchoring reinforcing bars:
The diameter of the anchoring holes should be 4 mm larger than the diameter of the reinforcing bars. The mixture is placed in the hole to 2/3 of the depth. The reinforcing bar is also lubricated with the material before installation and inserted into the hole with a twist until it stops.
Technical specifications
| Material base | Epoxy |
| Color | Gray |
| Shelf life | 12 months in unopened packaging at temperatures from +5 to +30 °C |
| Packaging | Set of 5 kg |
| Density | 1.6 kg/l |
| Consumption | 0.1 kg for fastening D16 mm reinforcement in a D20 mm hole |
| Application temperature | (+5°C) - (+35°C) |
| Pot life of the finished mixture | 40 minutes |
| Tool cleaning time | 60 minutes |
| Commissioning | 24 hours |
| Adhesion to concrete | ≥ 3 N/mm2 |
| Flexural strength (EN 12808-3) | ≥ 20 N/mm2 |
| compressive strength (EN 12808-3) | ≥ 45 N/mm2 |
| Water absorption after 240 min (EN 12808-5) | ≤ 0.1 |
| Operating temperature | - 30 °C - + 90 °C |