Tecnographit
TECNOGRAPHIT is Marvon’s bicomponent polyurethane foam with graphite designed and developed to ensure fire resistance up to EI 180 of penetration seals on wall and floor according to EN 1366-3.
TECNOGRAPHIT is applied with a particular gun that mixes the two components trough a special application nozzle. Once hardened, it can be cut using a cutter or other tools. When exposed to fire, it expands at 150°C further increasing its volume thanks to the presence of graphite.
Application field
TECNOGRAPHIT can be used on flexible wall (plasterboard), on rigid wall (masonry, concrete or aerated concrete) and on rigid floor (concrete or aerated concrete).
It has a fire resistance up to EI 180 classified according to EN 13501-2 for:
- Combustible pipes (PVC-U, PVC)
- Insulated multilayer pipesi
- Insulated incombustible pipes (copper or steel)
- Cable trays and corrugated pipes
- Empty holes
N.B. The foam is used in case of penetration of mixed services.
Technical data
|
Fire resistance |
Up to EI 180 |
|
Fire reaction |
Performance not assessed |
|
Characteristics |
Bicomponent polyurethane foam with graphite |
|
Weight |
550g/pcs |
|
Expansion ratio |
1:3/5 (free expansion) |
|
Increase of volume |
Ca 1,1 - 1,6 dm3 (l) |
|
Installation temperature |
10 - 35°C |
|
Reaction time |
Ca 10 sec. |
|
Drying time |
Ca 30 sec. |
|
Cutting possibility |
Ca 1 min. |
|
Colour |
Red/dark brown |
|
Storage |
12 months (under normal conditions) |
Standard rules and certifications
- Fire Classification Standard: EN 13501-2
- Classification Reports:
- I.G. 340264/3836FR - floor - penetration seal M
- I.G. 357003/3959FR - wall - penetration seal L
- I.G. 361718/3981FR - wall - infill F