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2.vapor stop
3.water proof
4.freeze resistance
5.black mastic
1.Property:
Ithas following features: airtight ,vapor stop , water proof , freezeresistance ,corrosion protection , and not easy to age orcrack .
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Itcould be applied at normal temperature and resist tocombustion after being dried .
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Itis a kind of ideal vapor barrier material ,to be appliedtogether with insulation ,such as cellular glass ,PU and PIR inpetrochemical industry.
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2.Technicaldata
| Property | Unit | Technical Data |
| Color | Black | |
| Ave. Density | Kg/m³ | 1300 |
| Fire Resistance | It causes no spark during construction, fireresistant after drying, and extinguishes within 1s after firesource taken away | |
| Heat Durability | There is no signs of flowing or foaming, after itis placed at the angle of 45° Cat the temperature of 95° C for 4hours, and then for anther 1 hour at the temperature of 120° C | |
| Freeze-thaw Resistance | No cracks or peeling off occur after suspended at-40° Cand 60° C for 2hrs respectively | |
| Water Absorption | The water absorbed is less than0.5%(by weight)aftersoaking for 24hrs at room temperature | |
| Drying Time | It Can be touched with fingers after 5hrs, while it costs 7 days to dry completely | |
| Volatile Substance | 30± 5% | |
| Oxygen Index | > 30(OL) | |
| Adhesive Strength | 20° C 2.5kg/m² | |
| Prolongation Rate | 3% | |
| Service Temperature | -60~95° C | |
3.Picture
airtight,vapor,water proof,freeze resistance/thermal mastic
