fire dampers: passive protections
Silicone seal K-flex
Waterproof 3M 3000 WT silicone fire seal
The 3M 3000 WT seal is a waterproof, silicone mass which, when swelled under the influence of temperature, creates a perfect fireproof seal. A simple to use one-component substance. Occurs in three types of packaging.
It is intended for most building partitions, including plasterboard and concrete walls. Ideal for sealing long-distance passageways, as well as sealing, among others steel and copper pipes.
The watertight silicone seal is resistant to fungi and molds. In addition to the fire protection function, it also provides acoustic protection – it protects the hole against sound penetration.
| European technical assessment | ETA 13/0413 |
| Color | grey |
| Scent | weak |
| Max temperature | 50°C |
| Drying time | 20-40 min |
| Density | 1,25 kg/dm3 |
| Full strength | 14-21 days |
| Adhesion | all surfaces |
| Expansion ratio | 6x with 350°C |
| Depth of application in the hole | min. 12,5 mm |
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