- PRODUCT DESCRIPTION:
MC-Injekt 2188 flex is a 1-component injection resin with integrated catalyst. In contact with water or moisture, it will react to become a flexible and durable foam. The resin can be injected into concrete and masonry structures as well as into soil and rock, both under dry and wet condition.
- PRODUCT PROPERTIES:
➢ 1-component MDI-based injection foam.
➢ Highly flexible closed-cell structure.
➢ Free of phthalate plasticizers.
➢ Safe for soil and groundwater.
➢ High penetration ability due to sliding effect thanks to the hydrophobic property of the resin.
- AREAS OF APPLICATION:
➢ Permanent sealing of water-bearing cracks and cavities, ranging from 0.3 – 5 mm.
➢ Sealing of below-grade structures: tunnels, basements, diaphragm/sheet pile/secant pile walls.
➢ Grit injection into concrete or masonry structures to seal voids and honeycombs.
➢ Repairing of faulty and de-bonded waterproofing membranes by injection into the gap between the membrane and concrete.
- PRODUCT CHARACTERISTICS:
| Color | Yellowish |
| Packaging | 18kg/metal barrel |
| Cleaning agent | MC-Thinner PU
Water or water-based cleaning agents must not be used under any circumstances. |
| Shelf-life and storage | Can be stored in original sealed packs at temperatures between 5 and 25°C in dry conditions for at least 1 year.
The same requirements are valid for transport. |
| Disposal | Containers must be emptied before disposal. |
- TECHNICAL DATA:
| Characteristic | Unit | Value | Comments |
| Density | Kg/dm³ | ~ 1.03 | DIN 53479 |
| Viscosity | mPa*s
mPa*s |
790 ± 10
210 ± 10 |
DIN EN ISO 3219
DIN EN ISO 3219 (in contact with water) |
| Elongation | %
% |
~ 60
21 – 39 |
DIN 53455, (free elongation)
DIN 12618-2, (elongation in cracks) |
| Adhesive pull strength | N/mm² | ~ 0.15 | DIN EN 12618-1, concrete dry and damp |
| Foaming rate | % | 1000 | Free foaming |
| Start and end of foaming | second | 25/200 | Starting when in contact with water |
| Water demand | % | 1.3 | |
| Application temperature | °C | 5-40 | Ambient and substrate temperature |
*Specifications are based on laboratory conditions (21°C ± 2 and 65% relative humidity) and are subject to change under actual application conditions. To determine specifications under specific conditions, preliminary conformance tests should be carried out under actual construction conditions.
- APPLICATION NOTES:
➢ Application:
+ Packers (e.g. MC-Injectionpacker DS 14) with adequate weir openings (≥ 2 mm) have to be placed in a proper way. The injection work is carried out by means of a 1-component injection pump (e.g. MC-I 510) with sufficient pressure.
+ MC-Injekt 2188 Flex poured into the hopper of the injection pump may react with air humidity and form a skin on the top. The skin prevents the liquid material underneath from further unwanted reaction.
+ The Injection works should be carried out at temperatures of the structure/ground between 5°C – 40°C.
➢ Cleaning of tools and machines:
+ In case of any longer interruption of work the injection-pump must be flushed thoroughly with suitable cleaning agents, e.g. MC-Thinner PU to prevent foaming in contact with humidity. Water or water-based cleaning agents must not be used under any circumstances.
+ We recommend to maintain the pump and injection hoses with oil after finishing the injection works. For any further details please refer to the manual of the injection pump. Partially or completely cured material can only be removed mechanically.
