Research Article
Experimental Characterization of Traditional Mortars and Polyurethane Foams in Masonry Wall
Table 7
Technical data of the foam.
| Color | Light green |
| Exterior temperature during the application | From −5°C to +40°C | Temperature | From −40°C to +120°C | Action film surface (at 23°C and 50% of RU) | 7–10 min | Traceability (20 mm diameter curb at 23°C and 50% of UR) | 30–40 min | Bulk density (after opposed expansion) | 13–18 kg/m³ | Dimensional variation (at 23°C and 50% of UR) | <3% | Fire behavior | B2 | UV resistance | Scarce, tends to yellow | Impermeability/sealing pressure | Up to 0.5 bar |
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